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... and that of the cooperating laboratories were attributed to "autosuggestion"! (4 ) Qualifications of the Nature investigators. J. Benveniste pointed out that none of the three members of the Nature team had any experience in immunology. (4 , 11) The team consisted of J. Maddox (a physicist), J. Randi (a professional magician), and W. Stewart (an organic chemist). Curious aspects of Nature's publication and following investigation. Why did Nature accept and publish a paper when fraud and poor science were suspected? (4 , 11) Why didn't Nature hold publication of the original Benveniste paper for four weeks until the investigation was completed? (4 , 11) Why didn't Nature insist upon prior experiment replication by an independent ... Science Frontiers ONLINE No. 60: Nov-Dec 1988 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Update on the "infinite dilution" experiments The above summary of J. Benveniste's "infinite dilution" experiments and Nature's subsequent "investigation" was written in mid-August (1988). When we returned from a long vacation at the end of September, we found eleven new references on this novel development in the progress (? ) of science. Basically, there are only two big questions: (1 ) Is there, despite all the furor and the machinations of Nature's "hit squad," anything of scientific value in the experiments of Benveniste's group? and (2 ) Should scientific ...
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... of evolutionary invention never again been equaled? Why, in subsequent periods of great evolutionary activity when countless species, genera, and families arose, have there been no new animal body plans produced, no new phyla?" Some evolutionists blame the asymmetry on the different "adaptive space" available in the two periods. "Adaptive space" was almost empty at the beginning of the Cambrian because multicellular organisms had only begun to evolve; whereas after the Permian extinction the surviving species still represented a diverse group with many adaptations. (Just how the amount of "adaptive space" available was communicated to the "mechanism" doing the innovation is not addressed.) Scientists contemplating these matters, however, seem to concur that microevolution, which supposedly gives rise to new species, cannot manage the bigger ... Science Frontiers ONLINE No. 60: Nov-Dec 1988 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Lop-sided evolution We risk supersaturating our readers with the anomalies of evolution, but we simply cannot bypass an article that is introduced as follows: "An analysis of the fossil record reveals some unexpected patterns in the origin of major evolutionary innovations, patterns that presumably reflect the operation of different mechanisms." The most interesting "unexpected pattern" is the gross asymmetry between the diversification of life in the Cambrian explosion (about 440 million years ago) and that following the great endPermian extinction (a little over 200 million years ago). Biological innovation was intense in both instances; both biological explosions burst upon a life-impoverished planet. ...
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... " (Frank, L.A ., et al; "On the Presence of Small Comets in the Solar System," Eos, 68:343, 1987.) Comment. What has all this to do with "cosmic Gaia"? By "cosmic Gaia" we mean the cosmic version of the conventional Gaia concept; i.e ., earth-as-an-organism. The answer is that small icy comets can in principle transport throughout all of space: Immense quantities of water needed for life-as-we-know-it. The carbonaceous material basic to that same kind of life. (See SF#48.) The seeds of life, a la Hoyle and Wickramasinghe. Energy, as discussed above by Frank et al. Observe that ... Science Frontiers ONLINE No. 52: Jul-Aug 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Small Icy Comets And Cosmic Gaia L.A . Frank and his associates at the University of Iowa have speculated that the earth is continuously and copiously bombarded by small, icy comets. Not just a few now and then, but a steady rain so intense that over geological time some major geological consequences must ensue. (See SF#44.) Some observers commented that surely these scientists have thrown away their careers by suggesting something so ridiculous. But the data are there -- in the form of dark spots on satellite images of the earth's dayglow -- and late results continue to support this far-out interpretation, ...
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... the quarry and Temple. Even if a road existed, logs employed as rollers would have been crushed to a pulp. But, obviously, someone way back then knew how to transport million-pound stones. Just how, we do not know. (Theisen, Jim; "Unbelievable Baalbek," INFO Journal, no. 55, p. 5, 1988. INFO = International Fortean Organization.) The Romans built Baalbek's Temple of Jupiter upon a much older foundation. From Science Frontiers #60, NOV-DEC 1988 . 1988-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 58: Jul-Aug 1988 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Preternaturally rapid development of photosynthesis?" An increased ratio of 12 C to 13 C, an indicator of the principal carbon-fixing reaction of photosynthesis, is found in sedimentary organic matter dating back to almost four thousand million years ago -- a sign of prolific microbial life not long after the Earth's formation. Partial biological control of the terrestrial carbon cycle must have been established very early and was in full operation when the oldest sediments were formed." (Schidlowski, Manfred; "A 3,800-MillionYear Isotopic Record of Life from Carbon in Sedimentary Rocks," Nature, 333: 313, 1988.) Comment ... Science Frontiers ONLINE No. 58: Jul-Aug 1988 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Preternaturally rapid development of photosynthesis?" An increased ratio of 12 C to 13 C, an indicator of the principal carbon-fixing reaction of photosynthesis, is found in sedimentary organic matter dating back to almost four thousand million years ago -- a sign of prolific microbial life not long after the Earth's formation. Partial biological control of the terrestrial carbon cycle must have been established very early and was in full operation when the oldest sediments were formed." (Schidlowski, Manfred; "A 3,800-MillionYear Isotopic Record of Life from Carbon in Sedimentary Rocks," Nature, 333: 313, 1988.) Comment ...
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... Science Frontiers ONLINE No. 46: Jul-Aug 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Halley's comet infected by bacteria?" Halley's comet is coated with organic molecules. Two astronomers working with the Anglo-Australian Telescope, David Allen and Dayal Wickramasinghe, have found strong evidence in an infrared spectrum of the comet, taken two weeks ago. The spectrum, spanning the wavelengths 2-4 micrometres, shows a prominent feature centred at 3.4 micrometres which the two astronomers attribute to emission by carbon-hydrogen bonds in a solid." Chandra Wickramasinghe (Dayal's brother) states that the emissivity of Halley's comet matches exactly the emissivity of bacteria as observed in the laboratory. This observation ... Science Frontiers ONLINE No. 46: Jul-Aug 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Halley's comet infected by bacteria?" Halley's comet is coated with organic molecules. Two astronomers working with the Anglo-Australian Telescope, David Allen and Dayal Wickramasinghe, have found strong evidence in an infrared spectrum of the comet, taken two weeks ago. The spectrum, spanning the wavelengths 2-4 micrometres, shows a prominent feature centred at 3.4 micrometres which the two astronomers attribute to emission by carbon-hydrogen bonds in a solid." Chandra Wickramasinghe (Dayal's brother) states that the emissivity of Halley's comet matches exactly the emissivity of bacteria as observed in the laboratory. This observation ...
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... appears that comets are more like "icy dirtballs"! And some of that dirt is pitch black. New measurments of the bare nuclei of comets, using a visual-infrared technique, find that the nuclei reflect as little as 2% of the incident sunlight. They are indeed charcoal black. Comet nuclei, according to W. Hartmann and his colleagues, are colored by a brownishblack primordial organic sludge, and have the appearance of "a very dark Hershey bar." The use of the adjective "organic" may be premature, but in light of the next item, maybe not. (2 ) Carbonaceous chondrites . This well-known class of meteorites sometimes appears tarry and is characterized by carbon contents of up to 2% and more. The Japanese have just reported the ... Science Frontiers ONLINE No. 44: Mar-Apr 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Star Sludge All of a sudden it seem that astronomers are finding dark -- even "charcoal-black" -- materials in unlikely places in the solar system. Three "sludgy" sites have been high-lighted in the recent literature. (1 ) Comets. "Black" comets certainly defy our expectations. Are all those pictures of white, flaming apparitions wrong? Not really. The comets approaching the sun are made visible by sunlight reflected from the gases and dust in the coma and tail, plus some direct emission. However, the heart of the comet, its nucleus, has long been considered a "dirty snowball ...
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... Science Frontiers ONLINE No. 48: Nov-Dec 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Geophysiology The concept of the earth-as-an-organism -- the so-called Gaia hypothesis -- keeps popping up. We now have an excellent progress report on current Gaia research; e.g ., the Daisyworld model; by J.E . Lovelock. He defines Gaia in an early paragraph: "In the early 1970s, Lynn Margulis and I introduced the Gaia hypothesis. It postulated the earth to be a self-regulating system comprising the biota and their environment, with the capacity to maintain the climate and the chemical composition at a steady state favorable for life." L. Margulis is an author ... Science Frontiers ONLINE No. 48: Nov-Dec 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Geophysiology The concept of the earth-as-an-organism -- the so-called Gaia hypothesis -- keeps popping up. We now have an excellent progress report on current Gaia research; e.g ., the Daisyworld model; by J.E . Lovelock. He defines Gaia in an early paragraph: "In the early 1970s, Lynn Margulis and I introduced the Gaia hypothesis. It postulated the earth to be a self-regulating system comprising the biota and their environment, with the capacity to maintain the climate and the chemical composition at a steady state favorable for life." L. Margulis is an author ...
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... he terms The Neutral Theory of Evolution. He concludes that "the most prev-alent evolutionary changes that have occurred at the molecular level, that is in the genetic material itself, since the origin of life on Earth are those that have been caused by random genetic drift rather than by positive Darwinian selection." Kimua maintains and can experimentally prove to some extent that the genetic material of all organisms changes rapidly and constantly. The genes change much more rapidly than scientists believed just a few years ago. We observe few if any changes at the phenotype level (organism morphology) because the overwhelming majority of these changes are neutral. They confer no significant advantage or disadvantage on the organism. In fact, Kimura and others have demonstrated that the fastest molecular evolution occurs in the least important genes ... Science Frontiers ONLINE No. 41: Sep-Oct 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Evolution's motor runs fast and quietly M. Kimura has been promulgating what he terms The Neutral Theory of Evolution. He concludes that "the most prev-alent evolutionary changes that have occurred at the molecular level, that is in the genetic material itself, since the origin of life on Earth are those that have been caused by random genetic drift rather than by positive Darwinian selection." Kimua maintains and can experimentally prove to some extent that the genetic material of all organisms changes rapidly and constantly. The genes change much more rapidly than scientists believed just a few years ago. We observe few if any changes at the phenotype level ...
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... Sourcebook Project Sourcebook Subjects Heretical Evolutionary Theory "Over the past 15 years, away from the limelight of mainstream evolutionary argument, cell biologists have been debating a concept that is fundamental to our understanding of how cells evolved. It is the proposal that some of the structures that are found in the larger cells of animals, plants and fungi (eukaryotic cells) are the descendants of simpler bacteria-like organisms (prokaryotic cells) that had at some stage entered into an intracellular existence, or endosymbiosis. The idea is not a new one, but only in the light of modern experimental evidence has it become acceptable to many biologists. If the hypothesis is correct, then virtually all the major groups of familiar organisms originated 'suddenly' through endosymbiotic associations." Following this lead paragraph, with its ... Science Frontiers ONLINE No. 47: Sep-Oct 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Heretical Evolutionary Theory "Over the past 15 years, away from the limelight of mainstream evolutionary argument, cell biologists have been debating a concept that is fundamental to our understanding of how cells evolved. It is the proposal that some of the structures that are found in the larger cells of animals, plants and fungi (eukaryotic cells) are the descendants of simpler bacteria-like organisms (prokaryotic cells) that had at some stage entered into an intracellular existence, or endosymbiosis. The idea is not a new one, but only in the light of modern experimental evidence has it become acceptable to many biologists. If the hypothesis is correct, ...
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... oil does exist elsewhere -- around the Great Lakes, Russia, etc. -- but the Australian deposits differ in that they are economically attractive. The oilbearing strata are dated at between 1.4 and 1.7 billion years; and the oil itself is at least this old. Significantly, the oil contains extremely small amounts of steranes, which are thought to be derived from advanced organisms, but there were plenty of chemicals typical of primitive bacteria. The mere existence of commercially exploitable deposits of Precambrian oil implies that, far from being devoid of life, the ancient earth was host to immense accumulations of bacteria and other simple organisms. (Anonymous; "Ancient Oil in Australia: A New Bonanza?" New Scientist, p. 26, September 11, 1936.) ... Science Frontiers ONLINE No. 48: Nov-Dec 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Oil, oil: everywhere, every age Geologists have discovered a major deposit of oil in Precambrian rocks in Australia's Northern Territory. Precambrian oil does exist elsewhere -- around the Great Lakes, Russia, etc. -- but the Australian deposits differ in that they are economically attractive. The oilbearing strata are dated at between 1.4 and 1.7 billion years; and the oil itself is at least this old. Significantly, the oil contains extremely small amounts of steranes, which are thought to be derived from advanced organisms, but there were plenty of chemicals typical of primitive bacteria. The mere existence of commercially exploitable ...
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... In this sense, he has defined what is scientific and what isn't . Now, back to the Medawar Lecture, as recounted by M. Perutz. Popper declared his detestation of determinism in all its guises. "Popper disputes the existence of historical laws and holds that our future is in our own hands." Zeroing in on evolution, Popper accepts Darwinism in the sense that "organisms better adapted than others are more likely to leave offspring." He then splits Darwinism into passive and active forms. His passive variety of evolution is that which is currently in vogue -- the deterministic view that random mutation combined with natural selection invariably leads to higher forms of life. But, as already stated, Popper hates determinism and believes that deterministic mechanisms are noncreative. They lead only ... Science Frontiers ONLINE No. 49: Jan-Feb 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Philosophical confusion?In the past, creationists have claimed Sir Karl Popper as their own because he seemed to believe that evolution was not a science because it could not be falsified. More lately, the evolutionists have pronounced that Popper now supports Darwinism. Still more recently, Popper gave the first Medawar Lecture at the Royal Society; and he had something for both sides. How can this be? First, for those who do not know of Sir Karl Popper, we should state that his philosophical views carry considerable weight in scientific circles. He has described how science should work and how its hypotheses should be tested. In this sense, ...
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... Science Frontiers ONLINE No. 41: Sep-Oct 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Genetic Garrulousness It is tempting to predict that those cells with the most genetic material will belong to the most advanced organisms. One would, for example, expect to find more DNA or nucleotide pairs in human cells than the cells of bacteria or plants. In the case of the bacteria, this expectation is realized. Some plants, however, have one hundred times more DNA per cell than humans. Some fish and salamanders do, too. One reason why there is no simple relationship between a cell's genetic complement and the organism's complexity is that a lot of genetic material is apparently useless, with no known functions. ... Science Frontiers ONLINE No. 41: Sep-Oct 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Genetic Garrulousness It is tempting to predict that those cells with the most genetic material will belong to the most advanced organisms. One would, for example, expect to find more DNA or nucleotide pairs in human cells than the cells of bacteria or plants. In the case of the bacteria, this expectation is realized. Some plants, however, have one hundred times more DNA per cell than humans. Some fish and salamanders do, too. One reason why there is no simple relationship between a cell's genetic complement and the organism's complexity is that a lot of genetic material is apparently useless, with no known functions. ...
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... . (Bag of lipids = a membrane.) (Nisbet, E.G .; "RNA and Hot-Water Springs," Nature, 322:206, 1986.) It just so happens that D.W . Deamer, University of California, Davis, has now found that the 4.5 -billion-year-old Murchison meteorite from Australia contains lipid-like organic chemicals that can self-assemble into membrane-like films. His paper was presented before the International Society for the Study of Origins of Life. (Raloff, J.; "Clues to Life's Cellular Origins," Science News, 130:71, 1986.) Comment. Strange that the earth should be "tailor-made" for biochemical operations and that outer space ... Science Frontiers ONLINE No. 47: Sep-Oct 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Earth's womb Three recent items indicate that scientists are now recognizing how the earth's crust is tailor-made for biochemical reactions of great variety and complexity. First, E.G . Nisbet explains how subsurface hydrothermal systems are ideal places to make biochemical products, particularly in the light of the discovery that RNA molecules can extrude introns and then behave like enzymes. "The most likely site for the inorgan ic construction or an RNA chain, which would have occurred in the Archaean, is in a hydrothermal system. Only in such a setting would the necessary basic components (CH4 , NH3 , and phosphates) be freely available ...
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... Oil and gas are often rich in helium, an inert gas which biological pro cesses cannot concentrate. The great oil reservoirs of the Middle East are in diverse geological provinces. There is no unifying feature for the region as a whole and, especially, no sediments rich in biological debris that could have produced these immense concentrations of oil and gas. If oil and gas do not come from decaying organic matter, where do they originate? Some scientists, such as T. Gold, say "from the earth's core." As the earth accreted long ago, it collected abundant carbonaceous material from carbonaceous chondrites and comets containing organic sludge. Under the heat and pressure available at great depths, oil and gas were produced abiogenically in immense quantities and driven outwards to where they were trapped ... Science Frontiers ONLINE No. 47: Sep-Oct 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Oil & gas from the earth's core In central Sweden this summer, drillers will be boring into the rocks of the Siljan Ring, Europe's largest known meteor crater. Oil and gas should not be down there in any quantities according to current theory, but that's what they are drilling for. Isn't it futile to fight such a well-established dogma that oil and gas have biological origins and therefore must be looked for only where life once thrived? Not any longer! Enough anomalies have accumulated to seriously challenge the idea that oil and gas are byproducts of ancient animal life. Here are a few ...
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... any group of animals were ever going to undergo significant degrees of evolution from parent stock and obtain resultant speciation, surely the Kaibab squirrel would be one of the more likely candidates. Supposedly isolated from their neighbors for hundreds of thousands of generations over a period of at least several million years, and significantly violating virtually every restriction of the Hardy-Weinberg equilibrium for the non-evolving population, these organisms, even by creationist standards, should have undergone significant and detectable changes. In reality all they show are moderate changes, primarily in two coat color characteristics for part of their population. To make things even worse, this species is known to have a highly variable coat-color polymorphism throughout its range. Thus, even the differences displayed appear to be easily accounted for by several mutations and ... Science Frontiers ONLINE No. 44: Mar-Apr 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Squirrels As Measures Of Geological Time Over a century ago, when the truth of biological evolution via natural selection was hotly debated, the proponents of Darwinism were delighted when the geologists presented them with almost endless periods of time in which evolution could progress in small steps from species to species. Now, in a strange turn-about, a creationist writer is using evolutionary theory to infer a very short history for the formation where geologists want a good deal of time. We quote from the conclusion of J.R . Meyer: "If any group of animals were ever going to undergo significant degrees of evolution from parent stock and obtain resultant ...
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... be of Frank's theory, they have no other explanation for the dark spots on the earth's dayglow images. Furthermore, scientists are far from united about how the earth's oceans really did form. As serendipity would have it, Frank's theory connects in an interesting fashion with the origin-of-life speculations in this issue. Frank remarks, in connection with organic sludge in comets: "These objects, because they are like a piston of gas, can bring organic material down without burning it up like a meteor does." (Huyghe, Patrick; "Origin of the Ocean," Oceans, 19:8 , August 1986.) From Science Frontiers #47, SEP-OCT 1986 . 1986-2000 William R. Corliss ...
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... Anonymous; "Scientist Tunes in to Gene Compositions," San Jose Mercury News, p. E1, May 13, 1986. Cr. P. Bartindale.) Comment. Not too long ago the motions of the planets were supposed to conform to an esthetically pleasing Music of the Spheres. Ohno, it seems, has found a way to express the Music of the Genes. Are simple organisms just short tunes and humans full-fledged operas? Are some refrains repeated in different organisms? All this is not entirely frivilous because a fundamental tenet of science expects nature to be describable in terms of a few laws that are not only simple but esthetically pleasing as well. From Science Frontiers #46, JUL-AUG 1986 . 1986-2000 William R. Corliss ...
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... the low limb fish occupy on the Tree of Life. In fact, the following introductory paragraph from an article in Nature sounds almost as if it came from a textbook on electronic signal processing. "Behavioural experiments have demonstrated that certain species of fish can perform remarkable analyses of the temporal structure of electrical signals. These animals produce an electrical signal within a species-specific frequency range via an electric organ, and they detect these signals by electroreceptors located throughout the body surface. In the context of one electrosensory behaviour, the jamming avoidance response (JAR), the fish Eigenmannia determines whether a neighbour's electric organ discharge (EOD), which is jamming its own signal, is higher or lower in frequency than its own. The fish then decreases or increases its frequency, respectively. ... Science Frontiers ONLINE No. 43: Jan-Feb 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Piscatorial Data Processing Mammals such as bats and porpoises have their acoustical navigational gear, while many fish have opted for electrical methods of scanning their surroundings. The short-range "radars" of these fish are marvelously sophisticated, considering the low limb fish occupy on the Tree of Life. In fact, the following introductory paragraph from an article in Nature sounds almost as if it came from a textbook on electronic signal processing. "Behavioural experiments have demonstrated that certain species of fish can perform remarkable analyses of the temporal structure of electrical signals. These animals produce an electrical signal within a species-specific frequency range via an electric organ, and ...
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... Science Frontiers ONLINE No. 49: Jan-Feb 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Prebiological chemistry in titan's atmosphere From the abstract of the referenced paper: "An organic heteropolymer (Titan tholin) was produced by continuous dc discharge through a 0.9 N2 / 0.1 CH4 gas mixture at 0.2 mbar pressure, roughly simulating the cloudtop atmosphere of Titan [one of Saturn's moons]. Treatment of this tholin with 6N HCl yielded 16 amino acids by gas chromatography after derivatization to N-trifluroacetyl isopropyl esters on two different capillary columns...The presence of 'nonbiological' amino acids, the absence of serine, and the fact that the amino acids are racemic within experimental error ... Science Frontiers ONLINE No. 49: Jan-Feb 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Prebiological chemistry in titan's atmosphere From the abstract of the referenced paper: "An organic heteropolymer (Titan tholin) was produced by continuous dc discharge through a 0.9 N2 / 0.1 CH4 gas mixture at 0.2 mbar pressure, roughly simulating the cloudtop atmosphere of Titan [one of Saturn's moons]. Treatment of this tholin with 6N HCl yielded 16 amino acids by gas chromatography after derivatization to N-trifluroacetyl isopropyl esters on two different capillary columns...The presence of 'nonbiological' amino acids, the absence of serine, and the fact that the amino acids are racemic within experimental error ...
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... May-Jun 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Bats may have invented flight twice (at least!)Bats are divided into megas and micros. The "megabats," represented by the fruit bats, possess an "advanced" connection between their eyes and midbrains. No other mammals except the primates possess this type of advanced visual organization. In contrast, the "microbats," the common echo-locating insect-eaters have a "primitive" eyebrain connection. This deep division in the bat family -- mega/micro, vegetarian/carnivorous, sight-dependent/echolocating -- suggests that mammal flight has developed at least twice. (Pettigrew, John D.; "Flying Primates? Megabats Have the Advanced ... Science Frontiers ONLINE No. 45: May-Jun 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Bats may have invented flight twice (at least!)Bats are divided into megas and micros. The "megabats," represented by the fruit bats, possess an "advanced" connection between their eyes and midbrains. No other mammals except the primates possess this type of advanced visual organization. In contrast, the "microbats," the common echo-locating insect-eaters have a "primitive" eyebrain connection. This deep division in the bat family -- mega/micro, vegetarian/carnivorous, sight-dependent/echolocating -- suggests that mammal flight has developed at least twice. (Pettigrew, John D.; ...
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... water is added to the atmosphere from icy meteors, we are approaching 1012 tons of extraterrestrial water per year -- far from an inconsiderable amount. The effects on the earth's climate could be large. If even greater fluxes of icy meteors were intercepted in the past, one might account for "pluvial episodes" on the planets. And further, comets now seem to transport "primordial organic sludge" around the solar system, as mentioned earlier under ASTRONOMY. We will leave further speculation to the reader. From Science Frontiers #44, MAR-APR 1986 . 1986-2000 William R. Corliss ...
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... other atoms and form complex molecules even though the atoms do not have the energy required by classical chemistry to overcome the repulsion." Of course, the reaction rates are slow, but the size of the cosmic pond is vastly greater than any terrestrial puddle. The above quotation is from V.I . Goldanskii who, even before Hoyle, suggested a cold prehistory of life, during which complex organic molecules were synthesized at just a few degrees above absolute zero. His article dwells primarily on the physics of the tunnelling phenomenon, which is well verified in the laboratory, but he does not shrink from the biological implications. (Goldanskii, Vitalii I.; "Quantum Chemical Reactions in the Deep Cold," Scientific American, 254:46, February 1986.) Comment. In the ... Science Frontiers ONLINE No. 44: Mar-Apr 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Tunnelling Towards Life In Outer Space Most books on biology begin the history of life in those apochryphal warm ponds of primordial soup. Leave comfortable earth for a moment and consider the immense, cold clouds of gas and dust swirling between the stars and galaxies. At near-absolute-zero, sunless and waterless, these clouds hardly seem the womb of life. Yet, there may be found the atoms necessary to life -- H, C, O, N, etc -- and in profusion. Collisions of cosmic rays can promote the synthesis of fairly large molecules. We have already detected molecules as complex as formaldehyde in the interstellar ...
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... of life. The discovery of possible microorganisms in these fluid inclusions from the Yellowstone volcanic area enlarges the range of potential environments over which subsequent investigations should be conducted." (Barger, Keith E., et al; "Particles in Fluid Inclusions from Yellowstone National Park -- Bacteria?" Geology, 13:483, 1985.) Comment. It is appropriate to note that similar "organized elements" have been noticed in meteorites for over a century. From Science Frontiers #43, JAN-FEB 1986 . 1986-2000 William R. Corliss ...
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... cues from the magnetic field of the earth. The magnetic direction toward which nudibrachs spontaneously oriented in the geomagnetic field showed recurring patterns of variation correlated with lunar phase, suggesting that the behavioral response to magnetism is modulated by circa-lunar rhythm." The magnetic and lunar-phase detectors of this mollusc are not known. In fact, the authors remark in their introductory paragraph that, even in organisms possessing ferromagnetic materials in their systems, there exists no "direct neurophysiological evidence implicating ferromagntic particles in the the detection of magnetic fields." (Lohmann, Kenneth J., and Willows, A.O . Dennis; "LunarModulated Geomagnetic Orientation by a Marine Mollusk," Science, 235:331, 1987.) From Science Frontiers #50, MAR-APR 1987 . 1987- ... Science Frontiers ONLINE No. 50: Mar-Apr 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Lunar Magnetic Mollusc From the abstract of a paper in Science: "Behavioral experiments indicated that the marine opisthobranch mollusk Tritonia diomedea can derive directional cues from the magnetic field of the earth. The magnetic direction toward which nudibrachs spontaneously oriented in the geomagnetic field showed recurring patterns of variation correlated with lunar phase, suggesting that the behavioral response to magnetism is modulated by circa-lunar rhythm." The magnetic and lunar-phase detectors of this mollusc are not known. In fact, the authors remark in their introductory paragraph that, even in organisms possessing ferromagnetic materials in their systems, there exists no "direct neurophysiological evidence implicating ferromagntic particles in the ...
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... have seen an impressive site. Crowning Hambleton Hill was a huge defensive enclosure with three concentric ramparts. The inner rampart, the most formidable of the three, was supported by 10,000 oak beams as thick as telephone poles. In the ditch around the ramparts human skulls placed at intervals added an eerie note to the appearance of the fortifications." Such a construction feat must have taken considerable organization and community energy, much like the pyramids then under construction in Egypt. In the absence of stone quarries and with plenty of forests, Hambleton Hill's fortress was simple wood and dirt, but nonetheless very impressive. Even its great size, however, did not save it from conquest and burning. (Mercer, R.J .; "A Neolithic Fortress and Funeral Center, ... Science Frontiers ONLINE No. 39: May-Jun 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Hambleton Hill Neolithic Fortress Hambleton Hill sits astride the Stour River in the chalklands of southwestern England. Almost 6,000 years ago, Neolithic people began erecting a great funeral center and fortress here. When the ramparts were complete, they were visible for miles. The southern and western sides were rimmed by a timber-framed rampart 2,500 meters long. The northern flank was protected by a 1,200meter multiditch outwork. "A Neolithic herdsman who looked up to the hilltop in about 3,400 BC would have seen an impressive site. Crowning Hambleton Hill was a huge defensive enclosure with three concentric ramparts. The inner rampart ...
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... animals get that way; and, obviously, we don't think anyone else does either. Nevertheless, biologists are now discovering some radical things about life that could lead to some real "answers." First, we have a case of genetic material being transferred from a fish to a bacterium. The case at hand is the light-producing bacterium that provides the ponyfish with its luminous organ. In this symbiotic arrangement, the fish somehow passes genetic instructions to its retinue of bacteria. (Lewin, Roger; "Fish to Bacterium Gene Transfer," Science, 227:1020, 1985.) Comment. Perhaps symbiotic relationships are fine-tuned by the mutual exchange of information! Second, the role of viruses in transferring genetic material across species barriers is at last getting some ... Science Frontiers ONLINE No. 39: May-Jun 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects How Animals Might Get Inverted The above title is just a literary ploy. We don't know how upside-down animals get that way; and, obviously, we don't think anyone else does either. Nevertheless, biologists are now discovering some radical things about life that could lead to some real "answers." First, we have a case of genetic material being transferred from a fish to a bacterium. The case at hand is the light-producing bacterium that provides the ponyfish with its luminous organ. In this symbiotic arrangement, the fish somehow passes genetic instructions to its retinue of bacteria. (Lewin, Roger ...
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... the excess genetic material in humans and all life forms. Biologists commonly call excess genetic material "nonsense DNA" which only means that they haven't devined its purpose. But, as already sugested, these unused blueprints may have had some past purpose or will be called into action in the future. The purpose may be insidious, as in the case of scrapie, or vital to the organism's survival in some unrecognized biological Armageddons. From Science Frontiers #41, SEP-OCT 1985 . 1985-2000 William R. Corliss ...
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... to move along the pathways under their own power, rather as a train moves along a railway track. New research by Stuart Newman, Dorothy Frenz and James Thomsack, of the New York Medical College, now suggests that the extracellular matrix itself may help to propel cells along." (Experiment details omitted here.) "No one knows whether this matrix-driven movement actually occurs in living organisms. But potentially, it could achieve the high-speed movement of cells depending on the size and characteristics of the cells. Considering that many of the events of development occur remarkably rapidly, this is an attractive possibility for cell migration. " (" More Clues to Cell Movement, " New Scientist, p. 30, September 5, ]985. ) (This phenomenon is not ... Science Frontiers ONLINE No. 42: Nov-Dec 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Guiding cell migration "Cell movement has always been thought to be independent of the extracellular matrix which encourages and guides movement; the cells were thought to move along the pathways under their own power, rather as a train moves along a railway track. New research by Stuart Newman, Dorothy Frenz and James Thomsack, of the New York Medical College, now suggests that the extracellular matrix itself may help to propel cells along." (Experiment details omitted here.) "No one knows whether this matrix-driven movement actually occurs in living organisms. But potentially, it could achieve the high-speed movement of cells depending on the size ...
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... course, humans have tapped the atom for energy. In just the past few years, remarkable colonies of life forms have been discovered congregated around deep-sea hydrothermal vents where sunlight is essentially nonexistent. Still more recently, similar life forms have been found clustered around oil seeps in the Gulf of Mexico. As at the hydro-thermal vents, the clams, worms, crabs, and other organisms depend mainly upon the ability of bacteria to chemosynthesize -- the primary energy source being hydrogen sulfide in the vented water. (Paull, C.K ., et al; "Stable Isotope Evidence for Chemosynthesis in an Abyssal Seep Community," Nature, 317:709, 1985; Also: Weisburd, S.; "Clams and Worms Fueled by Gas?" Science News, ... Science Frontiers ONLINE No. 43: Jan-Feb 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Life Seeks Out Energy Sources Wherever They May Be Life is opportunistic; it siphons off energy wherever it can find it. That life utilizes solar energy we all know. And, of course, humans have tapped the atom for energy. In just the past few years, remarkable colonies of life forms have been discovered congregated around deep-sea hydrothermal vents where sunlight is essentially nonexistent. Still more recently, similar life forms have been found clustered around oil seeps in the Gulf of Mexico. As at the hydro-thermal vents, the clams, worms, crabs, and other organisms depend mainly upon the ability of bacteria to chemosynthesize - ...
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... -conferring genes from one cancer cell to another. Cancer cells dying from chemotherapy may, for example, cast off extrachromosomal DNA that carries information on how to combat the chemicals. Other factors may also be at work, but basically we have only suspicions. (Silberner, Joanne; "Resisting Cancer Chemotherapy," Science News, 131:12, 1987.) Comment. Insects and other organisms also acquire resistance to chemical poisons. Does extrachromosomal DNA play roles in these instances, too? Can Information coded in extrachromosomal DNA be passed from one species to another, say, via insect bites? From Science Frontiers #50, MAR-APR 1987 . 1987-2000 William R. Corliss ...
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... northeastern Bering Sea, where sensitive side-scanning sonar has sketched large numbers of pits and furrows in the shallow sands. The pits range from 1-10 meters in length, 0.5 -7 meters in width, and 0.1 -0 .4 meters in depth. No known geological processes seem responsible. Farther east, in Nor-ton Sound, methane eruptions from buried organic matter do blow out circular craters; but the elongated pits investigated by Nelson and Johnson are gouged in sand considered too permeable for gas-crater formation. Rather surprisingly, the gray whale has become suspect as a pit excavator. They feed in the area of the pits; and the pits, before enlargement by currents, are just the size of the whales' mouths. The whales apparently ... Science Frontiers ONLINE No. 50: Mar-Apr 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Whales And Seafloor Pits Typical sizes, shapes, and disposition of whale-excavated pits in the Bering Sea. The focus of a 1987 paper in Scientific American, by C.H . Nelson and K.R . Johnson, is the northeastern Bering Sea, where sensitive side-scanning sonar has sketched large numbers of pits and furrows in the shallow sands. The pits range from 1-10 meters in length, 0.5 -7 meters in width, and 0.1 -0 .4 meters in depth. No known geological processes seem responsible. Farther east, in Nor-ton Sound, methane eruptions from buried ...
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... Lake Titicaca to about 15 kilometers inland, and form virtually the only topographic relief in the broad, gradually sloping plain." Some of the raised fields are remarkably sophisticated in design. At the base is a layer of cobblestones for stability. These are covered by a 10-centimeter layer of clay. On top of the clay are three distinct layers of sorted gravel; all capped by rich organic topsoil. These fields were simultaneously an aquifer for the fresh water percolating down from the surrounding hills and a barrier to the brackish water from Lake Titicaca. Even at Tiahuanaco's altitude, these fields could have grown potatoes, oca, or ulluco and the chenopod grains, as well as quinowa and caniwa. Tiahuanaco and its satellite cities could have been fed with enough left over for export ... Science Frontiers ONLINE No. 50: Mar-Apr 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects "HIGH"-TECH FARMING AT TIAHUANACO One of Tiahuanaco's (or Tiwanaku's ) many puzzles has been how food for such a large city was grown at an altitude of circa 3,850 meters (12,600 feet) in the frosty, windswept Bolivian Andes. This problem along with the fabulous stonework and extensive ruins have precipitated theories involving extraterrestrial visitors and an age for the site in the hundreds of thousands of years. At least the food-supply puzzle now seems to be in hand. Stereoscopic aerial photographs show in startling detail: ". .. immense, curvilinear platforms of earth...these ...
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... many of their results in past issues of SF and see no need to cover the same ground again. Rather, we wish to dwell on the scientific reception of their work. We do this with two quotations from their Nature article. These quotations are embedded in their review of the infrared evidence for biological material in outer space: "Still persuing the infrared problem, we eventually found that among organic materials polysaccharides gave the best correspondence to the astronomical data, and it was exactly at this point in our work that we began to experience hostility from the referees of journals and from the assessors of grant applications at what was then the Science Research Council. We realize now that because polysaccharides on the Earth are a biological product we had unwittingly made a contact that is deeply forbidden in our scientific ... Science Frontiers ONLINE No. 48: Nov-Dec 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Life As A Cosmic Phenomenon "The arguments in support of life as a cosmic phenomenon are not readily accepted by a culture in which a geocentric theory of biology is seen as the norm." The quotation above heads a revealing discussion by F. Hoyle and N.C . Wickramasinghe as to why their conclusions about cosmic life have not been accepted by the scientific community. Stimulating this article was a statement by J. Maddox, Editor of Nature, to the effect that the labors of Hoyle and Wickramasinghe were not convincing very many scientists because they ". .. had become caught up in the eccentric doctrine of panspermiology, a doctrine ...
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... ONLINE No. 48: Nov-Dec 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The mars-antarctica connection "A study of ice-covered lakes in Antarctica has provided scientists with clues as to what conditions were like on Mars billions of years ago. Sufficient heat and gas would have been trapped beneath the Martian surface to have generated living organisms, such and algae, bacteria, protozoa, and fungi. [What a leap of faith!] But life would have died out as the planet cooled and much of its atmosphere was dissipated. 'It is highly unlikely life could exist on Mars today,' [C .] McKay said. .. .. . "However some scientists have not dismissed the possibility that primitive ... Science Frontiers ONLINE No. 48: Nov-Dec 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The mars-antarctica connection "A study of ice-covered lakes in Antarctica has provided scientists with clues as to what conditions were like on Mars billions of years ago. Sufficient heat and gas would have been trapped beneath the Martian surface to have generated living organisms, such and algae, bacteria, protozoa, and fungi. [What a leap of faith!] But life would have died out as the planet cooled and much of its atmosphere was dissipated. 'It is highly unlikely life could exist on Mars today,' [C .] McKay said. .. .. . "However some scientists have not dismissed the ...
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... data prove that feces evolved before animals did!! He goes on: "In standard systematic reasoning, one assumes that the most widespread characteristic represents the primitive state. The fact that feces look so much the same from individual to individual strongly suggests that feces are the primitive condition. The variety of animal bodies, on the other hand, implies that bodies are secondary or derived features of the organisms. The expansion of genetic research in the twentieth century has led to the conclusion among many geneticists that bodies exist solely for the propagation and dispersal of genes. This perspective has been dubbed 'the selfish gene theory'. While the author acknowledges the insight and creativity that went into the selfish gene theory, it must be pointed out that the idea has not been carried far enough by the ... Science Frontiers ONLINE No. 46: Jul-Aug 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Which came first?The advent of complex life keeps getting pushed back farther and farther in time, as evidenced by the following abstract: "Microfossils resembling fecal pellets occur in acid-resistant residues and thin sections of Middle Cambrian in Early Proterozoic shale. The cylindrical microfossils average 50 x 110 microns and are the size and shape of fecal pellets produced by microscopic animals today. Pellets occur in dark gray and black rocks that were deposited in the facies that also preserves sulfide minerals and that represent environments analogous to those that preserve fecal pellets today. Rocks containing pellets and algal microfossils range in age from 0.53 to 1.9 gigayears ...
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... reply to the claim of Hoyle and Wickramasinghe that overzealous followers of Darwin deliberately tampered with scientific evidence. "Archaeopteryx lithographica might be regarded as the most important zoological species known, fossil or recent. Its importance lies not in that its transitional nature is unique -- there are many such transitional forms at all taxonomic levels -- but in the fact that it is an obvious and comprehensible example of organic evolution. There have been recent allegations that the feather impressions on Archaeopteryx are a forgery. In this report, proof of authenticity is provided by exactly matching hairline cracks and dendrites on the feathered areas of the opposing slabs, which show the absence of the artificial cement layer into which modern feathers could have been pressed by a forger." (Charig, Alan J., et al; ... Science Frontiers ONLINE No. 46: Jul-Aug 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Archaeopteryx and forgery: another viewpoint We have here what must be considered the evolutionists' reply to the claim of Hoyle and Wickramasinghe that overzealous followers of Darwin deliberately tampered with scientific evidence. "Archaeopteryx lithographica might be regarded as the most important zoological species known, fossil or recent. Its importance lies not in that its transitional nature is unique -- there are many such transitional forms at all taxonomic levels -- but in the fact that it is an obvious and comprehensible example of organic evolution. There have been recent allegations that the feather impressions on Archaeopteryx are a forgery. In this report, proof of authenticity is provided by exactly matching ...
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... Science Frontiers ONLINE No. 37: Jan-Feb 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The genome's responses to challenges The genome is an organism's genetic endowment. It contains instructions for the organism's growth and development, but it is not like a rigid, uncompromising computer program. Rather, the genome: ". .. is a highly sensitive organ of the cell that monitors genomic activities and corrects common errors, senses unusual and unexpected events, and responds to them, often by restructuring the genome. We know about the components of genomes that could be made available for such restructuring. We know nothing, however, about how the cell senses danger and instigates responses to it that often are truly ... Science Frontiers ONLINE No. 37: Jan-Feb 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The genome's responses to challenges The genome is an organism's genetic endowment. It contains instructions for the organism's growth and development, but it is not like a rigid, uncompromising computer program. Rather, the genome: ". .. is a highly sensitive organ of the cell that monitors genomic activities and corrects common errors, senses unusual and unexpected events, and responds to them, often by restructuring the genome. We know about the components of genomes that could be made available for such restructuring. We know nothing, however, about how the cell senses danger and instigates responses to it that often are truly ...
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... Science Frontiers ONLINE No. 35: Sep-Oct 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Immune System As A Sensory Organ John Maddox, the editor of Nature, has written a remarkable editorial on psychoimmunology; that is, the science of the brain's effects on the body's immune system. It is basically a running commentary on new discoveries that are helping us to understand this poorly appreciated relationship. Maddox begins by mentioning the 20-plus-year collection compiled by Professor G.W . Brown, University of London, of life-events that affect the health of outwardly normal people. Typical life-events are the death of a spouse, imprisonment, personal bankruptcy, etc. Everyone seems to recognize ... Science Frontiers ONLINE No. 35: Sep-Oct 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Immune System As A Sensory Organ John Maddox, the editor of Nature, has written a remarkable editorial on psychoimmunology; that is, the science of the brain's effects on the body's immune system. It is basically a running commentary on new discoveries that are helping us to understand this poorly appreciated relationship. Maddox begins by mentioning the 20-plus-year collection compiled by Professor G.W . Brown, University of London, of life-events that affect the health of outwardly normal people. Typical life-events are the death of a spouse, imprisonment, personal bankruptcy, etc. Everyone seems to recognize ...
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... Science Frontiers ONLINE No. 36: Nov-Dec 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Is a dog more like a lizard or a chicken?Cladism has been around since at least 1950, when the German entomologist William Hennig began classifying organisms in a new way. "His method was simple: classifications of animals and plants should be based on an assessment of their characters, and only advanced, or derived, characters (synapomorphies) should be used. For example, the character 'possession of feathers' is a synapomorphy shared by all birds that is found in no other organisms; it is used in classification to define Class Aves. All birds have a backbone too, but that is a primitive character for birds because ... Science Frontiers ONLINE No. 36: Nov-Dec 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Is a dog more like a lizard or a chicken?Cladism has been around since at least 1950, when the German entomologist William Hennig began classifying organisms in a new way. "His method was simple: classifications of animals and plants should be based on an assessment of their characters, and only advanced, or derived, characters (synapomorphies) should be used. For example, the character 'possession of feathers' is a synapomorphy shared by all birds that is found in no other organisms; it is used in classification to define Class Aves. All birds have a backbone too, but that is a primitive character for birds because ...
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... Science Frontiers ONLINE No. 30: Nov-Dec 1983 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Cancer: the price for higher life?For unknown reasons, plants and the simpler animals, such as sponges and jellyfish, do not get cancer. But all laterally symmetric organisms are prone to cancer. According to James Graham, the acquisition of cancer-initiating onco-genes by organisms (also an unexplained event) has forced these afflicted organ-isms to develop all sorts of defenses against external forces which might, with the help of the oncogenes, trigger cancer. Typical biological defenses include systems to insure accurate replication of cells, to destroy transformed cells, and to protect or immunize the organism against invading systems. Efficient im- ... Science Frontiers ONLINE No. 30: Nov-Dec 1983 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Cancer: the price for higher life?For unknown reasons, plants and the simpler animals, such as sponges and jellyfish, do not get cancer. But all laterally symmetric organisms are prone to cancer. According to James Graham, the acquisition of cancer-initiating onco-genes by organisms (also an unexplained event) has forced these afflicted organ-isms to develop all sorts of defenses against external forces which might, with the help of the oncogenes, trigger cancer. Typical biological defenses include systems to insure accurate replication of cells, to destroy transformed cells, and to protect or immunize the organism against invading systems. Efficient im- ...
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... its own pathway. But chloroplasts genes have now been found inside plant mitochondria, overturning conventional wisdom. To sum it all up, DNA seems promiscuous -- no respecter of privacy and breaking down all isolating genetic barriers. This discovery at once raises a dozen questions. For example, are mitochondria genes in chloroplast cells? How far does this promiscuity go? Can the same thing happen in higher organisms; say, with humans and symbiotic microorganisms or even not-so-symbiotic disease organisms? Is there no stopping this DNA? (Ellis, John; "Promiscuous DNA -- Chloroplast Genes inside Plant Mitochondria," Nature, 299:678, 1982.) From Science Frontiers #25, JAN-FEB 1983 . 1983-2000 William R. Corliss ...
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... Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Prescient Evolution Lately, a fossil moth egg was found in 75-million-year-old sediments in Massachusetts. The egg is positively assigned to the moth family Noctuidae and extends the fossil record of this family back into the Cretaceous. So what? Well, it turns out that Noctuidae family moths have special organs for detecting the ultrasonic cries of insect-hunting bats. The fossil record of the bats, however, only goes back to the early Eocene, perhaps 20 million years after the Noctuidae moths. Since no other insect predators like bats existed, it would seem that the moths developed these special organs in anticipation of the bats! (Gall, Lawrence F., and Tiffney, Bruce H ... Science Frontiers ONLINE No. 26: Mar-Apr 1983 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Prescient Evolution Lately, a fossil moth egg was found in 75-million-year-old sediments in Massachusetts. The egg is positively assigned to the moth family Noctuidae and extends the fossil record of this family back into the Cretaceous. So what? Well, it turns out that Noctuidae family moths have special organs for detecting the ultrasonic cries of insect-hunting bats. The fossil record of the bats, however, only goes back to the early Eocene, perhaps 20 million years after the Noctuidae moths. Since no other insect predators like bats existed, it would seem that the moths developed these special organs in anticipation of the bats ...
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... Smith, now at Oregon State University, found that a virus causing lesions and spontaneous abortions in California sea lions was 'indistinguishable' from one that ravaged pigs nationwide in 1952. New varieties of the culprit -- called a calicivirus -- have since turned up in diverse hosts: whales, cats, snakes and even primates. To reach such a variety of hosts, they either jump from organism to organism, Smith proposes, or they escape from bubbles popping on the ocean surface, waft ashore and enter a food chain. If he is right, the seas may be a bottomless reservoir for viruses -- and our attempts to combat diseases on land may be nullified by legions of new strains waiting to come ashore. In fact, some flu viruses are said to be spread by ... Science Frontiers ONLINE No. 32: Mar-Apr 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects An Ocean Full Of Viruses "A decade ago, veterinarian Alvin Smith, now at Oregon State University, found that a virus causing lesions and spontaneous abortions in California sea lions was 'indistinguishable' from one that ravaged pigs nationwide in 1952. New varieties of the culprit -- called a calicivirus -- have since turned up in diverse hosts: whales, cats, snakes and even primates. To reach such a variety of hosts, they either jump from organism to organism, Smith proposes, or they escape from bubbles popping on the ocean surface, waft ashore and enter a food chain. If he is right, the seas may ...
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... involving the faulty manufacture of insulin, neurotransmitters, hormones, and immune system regulators. (Miller, J.A .; "Subtle is the Virus: Cells Stay Intact," Science News, 125: 70, 1984.) Comment. This item dwells on the negative aspects of vial infections. Indeed, we automatically assume every infection by any virus or bacterium to be bad for the organism. This may not be so. Now that we have discovered that viruses can cause bodily changes without damaging the cells of the infected organism, we should ask whether favorable physical changes might not be caused by viruses, but not recognized as such. Going a few steps further: Is intelligence a disease? Could evolution be accelerated or directed through the mediation of viruses? See below for more ... Science Frontiers ONLINE No. 32: Mar-Apr 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Subtle Is The Virus "Without causing noticeable structural damage, a virus administered to laboratory mice has been found to dis rupt hormone production in a particular type of pituitary cell. This novel observation -- that viruses are able to injure their hosts in ways not previously suspected -- may trigger a far-reaching search for viruses as causes of many unexplained human diseases." Some of the other types of diseases mentioned as possible consequences of virus infection are those involving the faulty manufacture of insulin, neurotransmitters, hormones, and immune system regulators. (Miller, J.A .; "Subtle is the Virus: Cells Stay Intact, ...
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... of philosophy." (Larson, Dewey B.; "A Note on Metaphysics," Reciprocity, 12:11, Summer 1983.) Comment. To fully appreciate Larson's distinctions between his Reciprocal System and the conventional views, you must read his Nothing But Motion. His ideas are most interesting. The publication Reciprocity is put out by the International Society of Unified Science. This organizations is composed primarily of scientists interested in Larson's work. From Science Frontiers #31, JAN-FEB 1984 . 1984-2000 William R. Corliss ...
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... 1993 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Life beyond 100 c Bacteria can survive and multiply in hot springs near and slightly above 100 C -- the boiling point of water at atmospheric pressure. Few scientists have contemplated the possibility of life forms prospering at temperatures well beyond 100 . Recently, however, the discovery of many new and frequently bizarre organisms clustered around deep-sea vents has forced a reexamination of high-temperature life. It seems that bacteria actually flourish in the 350 C water streams from the deep-sea vents. In the lab, these same bacteria multiply rapidly in water at 250 C kept liquid by pressures of 265 atmospheres of pressure. What a surprise! Quoting a concluding sentence from this article: "This greatly ... Science Frontiers ONLINE No. 29: Sep-Oct 1993 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Life beyond 100 c Bacteria can survive and multiply in hot springs near and slightly above 100 C -- the boiling point of water at atmospheric pressure. Few scientists have contemplated the possibility of life forms prospering at temperatures well beyond 100 . Recently, however, the discovery of many new and frequently bizarre organisms clustered around deep-sea vents has forced a reexamination of high-temperature life. It seems that bacteria actually flourish in the 350 C water streams from the deep-sea vents. In the lab, these same bacteria multiply rapidly in water at 250 C kept liquid by pressures of 265 atmospheres of pressure. What a surprise! ...
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... ." Horne also discusses REM and normal sleep in the context of nightmares, sleeptalking, sleepwalking, night terrors, narcolepsy, and sleep paralysis. (Horne, Jim; "The Cinema of the Mind," New Scientist, 95:627, 1982.) Comment. All in all, sleep is a complex phenomenon. We know we need it, but why? A really efficient organism would run 24 hours a day -- like a computer. From Science Frontiers #24, NOV-DEC 1982 . 1982-2000 William R. Corliss ...
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... Issues This Issue Sourcebook Project Sourcebook Subjects Hearing Via Acoustic Holograms Humans and the higher primates can locate the source of a sound without turning their ears or heads. Other animals are not so fortunate. Current theories of hearing, according to Hugo Zuccarelli, cannot explain this human capability, which we all take for granted. He has come up with a new theory that pictures our ears as truly remarkable organs. First, our ear itself is a sound emitter. It emits a reference sound that combines with incoming sound to form an interference pattern inside the ear. The nature of this pattern is sensitive to the direction of the incoming sound. Our ear's cochlea detects and analyzes this pattern as if it were an acoustic hologram. The brain then interprets this data and infers the direction of ... Science Frontiers ONLINE No. 31: Jan-Feb 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Hearing Via Acoustic Holograms Humans and the higher primates can locate the source of a sound without turning their ears or heads. Other animals are not so fortunate. Current theories of hearing, according to Hugo Zuccarelli, cannot explain this human capability, which we all take for granted. He has come up with a new theory that pictures our ears as truly remarkable organs. First, our ear itself is a sound emitter. It emits a reference sound that combines with incoming sound to form an interference pattern inside the ear. The nature of this pattern is sensitive to the direction of the incoming sound. Our ear's cochlea detects and ...
Terms matched: 2 - Score: 26 - 15 May 2017 - URL: /sf031/sf031p08.htm
... . 31: Jan-Feb 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The hypothesis of formative causation lives!Rupert Sheldrake's hypothesis has been roundly condemned by many scientists, presumably because it departs so radically from current thinking. Basically, the hypothesis maintains that the forms of things (from crystals to life forms) and the behavior of organisms is influenced by "morphic resonance emanating from past events." Convergent evolution, wherein human eyes closely resemble squid eyes, might well be explained by the hypothesis. Sheldrake has been testing his idea in various ways. One experiment involves the accompanying illustration containing a hidden image. Once the solution of this illustration is learned, it is hard to forget, but few people see the answer right ... Science Frontiers ONLINE No. 31: Jan-Feb 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The hypothesis of formative causation lives!Rupert Sheldrake's hypothesis has been roundly condemned by many scientists, presumably because it departs so radically from current thinking. Basically, the hypothesis maintains that the forms of things (from crystals to life forms) and the behavior of organisms is influenced by "morphic resonance emanating from past events." Convergent evolution, wherein human eyes closely resemble squid eyes, might well be explained by the hypothesis. Sheldrake has been testing his idea in various ways. One experiment involves the accompanying illustration containing a hidden image. Once the solution of this illustration is learned, it is hard to forget, but few ...
Terms matched: 2 - Score: 26 - 15 May 2017 - URL: /sf031/sf031p10.htm
