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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 Bacteria One dictionary's definition: "Widely distributed group of microscopic, one-celled vegetable organisms..." As a matter of fact, the nearly universal image of a bacterium is that of a simple, single-cell organism. But: "That view is now being challenged. Investigators are finding that in many ways an individual bacterium is more analogous to ... component cell of a multicellular organism than it is to a free-living, autonomous organism. Bacteria form complex communities, hunt prey in groups and secrete chemical trails for the directed movement of thousands of individuals." J.A . Shapiro, author of the preceding quote, attributes the simplistic picture of bacteria to medical bacteriology, in which disease-causing bacteria are classically identified by isolating single cells, growing cultures from them, and then showing that they cause the disease in question. In the microscopic real world, bacteria ... 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 Bacteria One dictionary's definition: "Widely distributed group of microscopic, one-celled vegetable organisms..." As a matter of fact, the nearly universal image of a bacterium is that of a simple, single-cell organism. But: "That view is now being challenged. Investigators are finding that in many ways an individual bacterium is more analogous to ...
Terms matched: 3 - Score: 999 - 15 May 2017 - URL: /sf058/sf058b09.htm
... to the entire universe. The Second Law of Thermodynamics, however, insists that, on the average, for the entire universe, the above paragraph cannot be true. The article introduced by this unqualified assertion about the evolution of the universe is really about self-organizing chemical reactions. We classify it under biology because the authors imply that some biological phenomena are self-organizing. The famous Belousov-Zhabotinskii reaction is used as the prime example of chemical self-organization. First, one takes a shallow dish filled with a ... Science Frontiers ONLINE No. 53: Sep-Oct 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Has the second law been repealed?" From the largest to the smallest scales, the universe is evolving. Matter, in the form of galaxies, is undergoing a colossal expansion. Gas, condensed into stars, is radiating thermonuclear energy out across an infall of matter, drawn by gravity. The simplest of chemical reactions and the most complex of biological activities are occurring on ... Science Frontiers ONLINE No. 53: Sep-Oct 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Has the second law been repealed?" From the largest to the smallest scales, the universe is evolving. Matter, in the form of galaxies, is undergoing a colossal expansion. Gas, condensed into stars, is radiating thermonuclear energy out across an infall of matter, drawn by gravity. The simplest of chemical reactions and the most complex of biological activities are occurring on ...
Terms matched: 3 - Score: 602 - 15 May 2017 - URL: /sf053/sf053b07.htm
... about 40,000 tons annually from the fertile fields of outer space. "Fertile?" Yes, outer space is a vast biochemical retort. D. Brownlee, R. Walker, and others: ". .. suggest that interplanetary dust has probably carried organic matter to Earth since the early aeons of the solar system. The complexity of the organic molecules found on these particles has fueled the imaginations of many who ponder the role extraterrestrial matter may have played in the prebiological evolution of organic material on the primordial Earth. ... them stick tiny bits of interplanetary and interstellar debris that have been caught by earth's gravity and are slowly drifting downward in the atmospshere. Some of these micron-sized particles come from asteroid collisions; others from the disintegration of comets. This rain of cosmic matter is not negligible; the earth harvests about 40,000 tons annually from the fertile fields of outer space. "Fertile?" Yes, outer space is a vast biochemical retort. D. Brownlee, R. Walker, and others: ". . ... Science Frontiers ONLINE No. 93: May-Jun 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects From Dust Unto Dust This Biblical assertion may be right on the mark, but in a sense that is slightly different from what is usually meant. The "first" dust may not have been terrestrial dust but interplanetary dust. Let us commence with long-winged U2s cruising at 20 kilometers altitude or more. Collectors coated with silicone oil are deployed. To them stick tiny ...
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... and parts of it have separated from the main body. The back side of the comet and most of the separated particles are much lower in temperature than the impacting side, and in an impact of a smaller comet (which would look much the same), organic material at the rear of the comet would survive intact. Figure provided by Paul Thomas. "New simulations suggest that large amounts of the organic molecules needed to form the first life on Earth could have been brought by comets that bombarded the planet early in its ... comets supplied the Earth with the organic material needed to create life has been around for more than 20 years, but as often as some scientists have put forth the hypothesis, others have shot it down. "About 20% of comet nuclei are composed of organic matter, the rest ice and dust. Most of the organic component appears to be in a complex, polymerized form similar to kerogen, which is found in sedimentary rocks on Earth. From 4.33.7 billion years ago, during the period of heaviest ... Science Frontiers ONLINE No. 63: May-Jun 1989 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Comets And Life A comet impact: Cross-sectional view 0.637s after impact of a comet into a 3km-deep ocean (light dots) underlain by basaltic crust (darker grid) in the smoothed particle hydrodynamic model of Thomas et al. Small vertical ticks are 1 km apart, small horizontal ticks 1.25 km apart. The comet in this figure has ...
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... . Wright et al, in Nature, come close to such a conclusion. "The meteorite EETA 79001, which many believe to have originated on Mars, contains carbonate minerals thought to be Martian weathering or alteration products. Accompanying the carbonates are unexpectedly high concentrations of organic materials (defined here as carbonaceous matter that has a low stability towards oxidation, and so combusts at less than 600 C; the term 'organic' does not necessarily imply an origin by biogenic processes.) Although the carbon isotope composition of these materials is ... from terrestrial biogenic components, and so cannot be used to assess the source, we argue here that their occurrence in an interior sample of a clean Antarctic meteority militates against a wholly terrestrial origin. A sample of Martian organic materials may thus be available for further study in the laboratory." (Wright, I.P ., et al; "Organic Materials in a Martian Meteorite," Nature, 340: 220, 1989.) But there are many "buts": Meteorite EETA 79001 may not have come from ... Science Frontiers ONLINE No. 65: Sep-Oct 1989 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Fossil from mars?Who would have thought that the dreary Antarctic wastes would harbor a piece of Mars, much less a fossil of Martian life? Yet, British scientists, I.P . Wright et al, in Nature, come close to such a conclusion. "The meteorite EETA 79001, which many believe to have originated on Mars, contains carbonate minerals thought to ...
Terms matched: 3 - Score: 578 - 15 May 2017 - URL: /sf065/sf065a04.htm
... versions. Because humans "expect" symmetry in nature, it is taken for granted that everything else in the universe is split equally between leftand right-handed molecules. Earth life is just a fluke -- or is it? On September 28, 1969, organic-rich stones fell in Victoria, Australia. This was the Murchison meteorite, and it may carry a message. Over a decade ago, M.H . Engel and B. Nagy reported that the organic molecules in the Murchison meteorite were not split 50 ... this arise several intriguing possibilities: Life on earth started split evenly between left- and right-handed amino acids, but was nudged to the left by the influx of organic-laden meteorites like the Murchison. Terrestrial life actually originated elsewhere in the universe where much matter is left-handed, including life, if it exists there. In other words, our philosophical expectation of symmetry in the universe-as-a -whole is incorrect. The universe on the average is evenly split between left- and right-handed ... Science Frontiers ONLINE No. 115: Jan-Feb 1998 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Why did life take a left turn?Life-as-we-know-it is left-handed; that is, our amino acid molecules are levorotatory rather than the mirror-image dextrorotatory versions. Because humans "expect" symmetry in nature, it is taken for granted that everything else in the universe is split equally between leftand right-handed molecules. Earth ...
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... Chyba and C. Sagan, in a major review article in Nature, see a two-fold problem: (1 ) identifying the source of the raw materials; and (2 ) identifying the source(s ) of energy required for the synthesis of complex organic chemicals. First, they point to the steady drizzle of tiny, organic-rich particles drifting down to earth from cometary debris. These particles, which even carry spacesynthesized amino acids down to the earth's surface, seem likely chemical precursors of life. ... ) Comment. Little is said in either of the above articles about the nature of and impetus for that final elusive step from organic chemicals to the simplest life forms. Everyone assumes that it happened, but did it? One can always imagine a universe in which matter, energy, and life have always existed. From Science Frontiers #80, MAR-APR 1992 . 1992-2000 William R. Corliss ...
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... Issue Sourcebook Project Sourcebook Subjects Superorganisms: From Simplicity To Complexity Superorganisms are biological entities made up of large numbers of simpler entities that have banded together to perform functions they cannot do as individuals. Termite mounds are often mentioned as superoganisms. But here we examine colonies of organisms that are much simpler and much smaller than termites. What entices the anomalist to attend to superorganisms? Here are two of the several questions superorganisms raise. How do superorganisms evolve properties that its constituent individuals do not possess, such as mobility, unique sensors, ... . (Nakagaki, Toahiyuki, et al; "Maze-Solving by an Amoeboid Organism," Nature, 407:470, 2000.) Biofilms. Down near the bottom of life's ladder dwell the bacteria. Their genomes must be miniscule and gray matter is not to be found. Nevertheless, some bacteria band together to form biofilms. Biofilms are three-dimensional, complex structures composed of innumerable, specialized bacteria all working together. W. Costerton at Montana State University imagines what a biofilm would look like if ... Science Frontiers ONLINE No. 133: JAN-FEB 2001 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Superorganisms: From Simplicity To Complexity Superorganisms are biological entities made up of large numbers of simpler entities that have banded together to perform functions they cannot do as individuals. Termite mounds are often mentioned as superoganisms. But here we examine colonies of organisms that are much simpler and much smaller than termites. What entices the anomalist to attend to superorganisms? Here are two of the several ...
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... conditions, ensembles of particles (e .g ., iron balls and large molecules) may snap into "dominant states" that exhibit unexpected properties. In this context Nobelist R. Laughlin remarks: The discoveries that matter are the grand surprises that occur when matter organizes itself. Of course, the question has always been whether something "special" or "vital" has to be done to an ensemble of molecules to confer life upon it. In his Darwin's Black Box, M. Behe insists that life is ... Science Frontiers ONLINE No. 138: NOV-DEC 2001 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Life As A Complex Of "Dominant States"To say that life is an "emergent property" of matter seems to have no more explanatory power than any of the other "origin" scenarios. It is less than satisfying. Be that as it may, scientists are now seeing some strange things happening on the "mesoscopic" scale; i.e ., from ... Science Frontiers ONLINE No. 138: NOV-DEC 2001 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Life As A Complex Of "Dominant States"To say that life is an "emergent property" of matter seems to have no more explanatory power than any of the other "origin" scenarios. It is less than satisfying. Be that as it may, scientists are now seeing some strange things happening on the "mesoscopic" scale; i.e ., from ...
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... 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 Carbon In A New Comet Astronomers in Australia have confirmed that organic matter exists in Comet Wilson, which is on what is believed to be its first and only visit to our Solar System. "It is the first time that organic matter has been found on a comet new to the Solar System. The astronomers, who observed the comet from the AngloAustralian Telescope at Siding Spring ... in New South Wales, say that this finding lends weight to the theory that comets brought to Earth the carbon-based chemicals from which life evolved." (Anonymous; "Astronomers Spot Carbon in a New Comet," New Scientist, p. 23, May 28, 1987.) Reference. Organic compounds in meteorites are cataloged under AYE2 in our catalog: The Sun and Solar System Debris. To find out more about this book, visit: here . From Science Frontiers #52, JUL-AUG 1987 . ... 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 Carbon In A New Comet Astronomers in Australia have confirmed that organic matter exists in Comet Wilson, which is on what is believed to be its first and only visit to our Solar System. "It is the first time that organic matter has been found on a comet new to the Solar System. The astronomers, who observed the comet from the AngloAustralian Telescope at Siding Spring ...
Terms matched: 3 - Score: 544 - 15 May 2017 - URL: /sf052/sf052a04.htm
... 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 ... ) Comment. As discussed above this Australian oil might have been produced abiogenically. The surface and near-surface Athabasca oil sands in western Canada constitute a well-known deposit of almost unbelievable size. Geologists have long speculated about where such an immense quantity of biological matter could have originated. (Few dare to suggest nonbiological origins!) Now, we learn that below the Cretaceous Athabasca oil sands lies a 70,000 square kilometer "carbonate triangle" estimated to contain about 2 x 1011 cubic meters (about 6 cubic kilometers ... 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 ...
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... , looking much farther back in time, still show clustered red shifts -- not the expected increasing chaos required by theory. Although the surveys are incomplete, astronomers are discomfited by this early lumpiness. Their theories say that there was not enough time for galaxies to organize themselves into sheets, shells, and skeins. If further "deep" probings of the cosmos confirm this redshift clustering, we may need a new evolutionary scenario. Good bye Big Bang and expanding universe! (Vogel, Gretchen; "Goodness, Gracious, ... Walls Afar," Science, 274:343, 1996. Vergano, D.; "New Evidence of Cosmic Architecture," Science News, 150:239, 1996) In a related news item, Mexican scientists have proposed that most of the matter in the universe (that elusive "dark" matter) may exist in the form of particles they dub "dilatons." Dilatons might also explain the formation of the aforesaid galactic shells. "The Mexican researchers have explored a situation in which G [the gravitational constant ... Science Frontiers ONLINE No. 109: Jan-Feb 1997 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Too Much Order In The Early Cosmos Astronomers are becoming accustomed to the idea that many nearby galaxies are concentrated in spherical shells separated from one another by about 400 million light years. This onion-skin geometry is inferred from the fact that galactic red shifts cluster around specific values; that is, they are quantized. Since red shifts are held to be proportional to distance in ...
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... , and shall be Rupert Sheldrake, an English plant physiologist, has written a new book entitled A New Science of Life; The Hypothesis of Formative Causation. In it, he revives and expands the theory of morphogenic fields. Basically, this theory states that existing organized structures, such as crystals and organisms, establish fields that shape the future organization of matter into similar crystals and organisms in a probabalistic way. In other words, once a specific crystal (or life form) is synthesized, it sets up a morphogenic field ... will make it easier to synthesize further the same, or nearly the same, crystal (or life form). To support his ideas, Sheldrake claims that it is common knowledge that a brand-new crystal form is difficult to synthesize at first but that further syntheses become easier and easier. The prevailing "scientific" explanation of this amazing fact is that fragments (seeds) of the initial synthesis are carried from lab to lab by humans and even the air! Morphogenic fields, however, explain such phenomena very nicely without ... Science Frontiers ONLINE No. 17: Fall 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects What was, is, and shall be Rupert Sheldrake, an English plant physiologist, has written a new book entitled A New Science of Life; The Hypothesis of Formative Causation. In it, he revives and expands the theory of morphogenic fields. Basically, this theory states that existing organized structures, such as crystals and organisms, establish fields that shape the future organization of matter into ...
Terms matched: 3 - Score: 542 - 15 May 2017 - URL: /sf017/sf017p05.htm
... , April 6, 1991.) Comment. Evidently we do not know everything about nuclear physics. Beyond the molecule. We are used to seeing atoms and molecules arranging themselves into mathematically regular crystals. Now it appears that particles consisting of thousands of atoms also spontaneously organize themselves. A.S . Edelstein et al find that molybdenum particles assemble themselves in cubes with two prominent edge lengths: 4.8 and 17.5 nanometers. The larger cubes show up in micrographs as 3x3x3 groupings of the smaller cubes. The smaller ... Science Frontiers ONLINE No. 76: Jul-Aug 1991 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects New Insights As To The Structure Of Matter Possible "nuclear-molecular" forms of magnesium-24 and carbon-12. Inside the atom. Physicists have long visualized the atomic nucleus as being a shell-like arrangement of its constituent protons and neutrons. Tantalizing experiments suggest other wise. Magnes ium-24, for example, may under some circumstances exist as two carbon ... Science Frontiers ONLINE No. 76: Jul-Aug 1991 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects New Insights As To The Structure Of Matter Possible "nuclear-molecular" forms of magnesium-24 and carbon-12. Inside the atom. Physicists have long visualized the atomic nucleus as being a shell-like arrangement of its constituent protons and neutrons. Tantalizing experiments suggest other wise. Magnes ium-24, for example, may under some circumstances exist as two carbon ...
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... wondered where these bacteria obtain the methane and sulfides that nourish them. C.S . Martens and C.K . Paull, of the University of North Carolina, propose that bacteria living miles down within the carbonate platform generate the methane and sulfides as they consume organic matter buried long ago in the limestone. These excreted, energy rich gases and fluids seep upward and outward, sustaining biological communities along the edge of the platform. (Monastersky, R.; "Buried Rock, Bacteria Yield Deep-Sea Feast," ... News, 140:103, 1991.) Comment. (1 ) Looking far back in time, the sun was, of course, the energy source, because it helped create the buried organic matter. (2 ) However, there is always the possibility that the methane seeping out of the earth is abiogenic. See BLACK GOLD -- AGAIN under Geology . (3 ) How deeply into the crust has life penetrated? The Soviets reported bacteria at 12 kilometers in their drill hole on the Kola Peninsula. From Science ... Science Frontiers ONLINE No. 79: Jan-Feb 1992 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Deeply-buried life West-to-east profile of the Florida-Bahamas carbonate platform. Deep in the Gulf of Mexico, along the edge of the great carbonate platform that breaks the surface as Florida and the Bahamas, thrives a diverse community of animals that does not depend upon the sun for energy. Instead, they feast on carbohydrates provided by symbiotic bacteria. Since ...
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... 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 ... Darwinism in which the "idiocyncracies of the individual have a greater influence on evolution than natural selection" and that "the only creative activity in evolution is the activity of the organism." There you have it! Whose side is Popper on? Does it really matter? (Perutz, Max; "A New View of Darwinism," New Scientist, p. 36, October 2, 1986.) Comment. It is unclear how the acts of individuals can modify organisms. Sounds like Lamarckism. From Science Frontiers # ... 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 ...
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... , the density of the pockmarks reaches 160 per km2, and they are apparently the largest pockmarks yet discovered. The Belfast Bay field is "fresh" and "active" in the sense that the pockmarks are sharply defined and methane bubbles still stream up from buried organic matter. Natural-gas plume rising from the sea-floor off the Carolina coast. Another pockmark field is the subject of P.R . Vogt et al (Ref. 2). It occupies a strip about 1.3 km wide and 50 ... long between Greenland and Spitzbergen. This strip of pockmarks seems to be underlain by a deposit of methane hydrate 200-300 meters thick. [Methane hydrate is a weird substance that looks like dirty ice. When brought to the surface, the methane fizzes away, leaving only a puddle of dirty water!] Lastly, in Ref. 3, C.K . Paull et al report on the release of plumes of methane bubbles from the Carolina continental rise at a depth of 2167 meters. Here, the sediments are riddled ... Science Frontiers ONLINE No. 100: Jul-Aug 1995 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Giant sea-bed pockmarks [The following long, initially dull (? ) discussion leads unerringly to the Bermuda Triangle via a Fortean phenomenon!] Unrecognized until just a few years ago (SF#100*), sea-bed pockmarks are remarkable geological features. They occur worldwide on the floors of all of the oceans and even some lakes. They are found in ...
Terms matched: 3 - Score: 531 - 15 May 2017 - URL: /sf100/sf100g09.htm
... 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 ... estimated on the basis of biological origins. The so-called "molecular fossils" found in oil and claimed as proof of a biogenic origin are simply biological contaminants, particularly bacteria that feed upon the petroleum. Petroleum is largely saturated with hydrogen, whereas buried biological matter should exhibit a deficiency of hydrogen. 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 ... 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 ...
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... Chemical Retort Far down there beneath our feet, the earth's chemicals are bubbling away, aided often by bacteria and other life forms. It's a dark world, but it's also hot, permeated by fluids, and possibly the abode of organisms we haven't dreamed of. Three hints of this nether world follow. Quick oil. Rather than ripening in deep strata for millions of years, as per prevailing theory, some oil is being created in only a few thousand years in the vicinities of ... have been sighted floating near these chimneys. Analysis of chunks broken off the chimneys by research submersibles reveal the presence of petroleum-like hydrocarbons that are less than 5000 years old. It is thought that high-temperature fluids percolating up through the sediments convert buried organic matter into oil very rapidly. (Monastersky, R.; "The Quick Recipe for a Soup of Black Gold," Science News, 136:295, 1989.) Comment. Not mentioned in this article is T. Gold's theory that oil ... Science Frontiers ONLINE No. 67: Jan-Feb 1990 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects We Live Atop A Chemical Retort Far down there beneath our feet, the earth's chemicals are bubbling away, aided often by bacteria and other life forms. It's a dark world, but it's also hot, permeated by fluids, and possibly the abode of organisms we haven't dreamed of. Three hints of this nether world follow. Quick ...
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... 2 billion years. The half life of 235U is only about 700 million years. (Nagy, Bartholomew; "Precambrian Nuclear Reactors at Oklo," Geotimes , 38: 18, May 1993. Also: Nagy, Bartholomew, et al; "Role of Organic Matter in the Proterozoic Oklo Natural Fission Reactors, Gabon, Africa," Geology , 21:655, 1993.) Reference. The Oklo Phenomenon is covered in greater detail in ESP13 in the catalog: Anomalies in Geology. To order visit here . From ... Frontiers #94, JUL-AUG 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 106: Jul-Aug 1996 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A SAGA OF SOOT: PART III "For the first time, researchers have found complex organic molecules on the Earth that came from outside the Solar System. American scientists say tiny sooty grains extracted from meteorites contain polycyclic aromatic hydrocarbons (PAHs) from interstellar dust clouds." This article continues with an acknowledgement that F. Hoyle did predict way back in the 1950s that some ... earth's organic matter came from outer space. And that he was roundly scoffed at. Next, more evidence is presented suggesting that the universe is full of the basic ingredients of life: Recently, the spectrum of the amino acid glycine was detected near the center of our galaxy. (Hecht, Jeff; "Stardust Brought Down to Earth," New Scientist, p. 17, March 23, 1996) Cross reference. IN SF#101, we related how PAHs were found in meteorite ALH84001, which was ... Science Frontiers ONLINE No. 106: Jul-Aug 1996 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A SAGA OF SOOT: PART III "For the first time, researchers have found complex organic molecules on the Earth that came from outside the Solar System. American scientists say tiny sooty grains extracted from meteorites contain polycyclic aromatic hydrocarbons (PAHs) from interstellar dust clouds." This article continues with an acknowledgement that F. Hoyle did predict way back in the 1950s that some ...
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... Shows 'Sign of Life,'" New Scientist, p. 38, April 28, 1990.) Comment. No one can say that replication is a "spontaneous" property of inorganic matter. It is truly remarkable that base matter is intrinsically self-organizing and replicating. We know! It is all because the universe just happens to be anthropic. From Science Frontiers #70, JUL-AUG 1990 . 1990-2000 William R. Corliss ...
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... biologist's perspective. Whereas some physical scientists have set this probability at about 1.0 , Ornstein inclines toward 10-9 , believing that intelligent life is probably unique to the earth. But concludes Ornstein, the 15 separate developments of eyes among disparate terrestrial organisms may infer some unrecognized directing factor in evolution that would force him to revise his estimate upwards drastically. On the other hand, those 15 eyes might indicate a common, but still undiscovered, eye-possessing ancestor far back along evolution's track. The ... record might be mute on this matter because eyes are soft tissues that are rarely preserved or perhaps because many eyes were jettisoned because the organisms didn't need them, as cave dwellers are wont to do with surprising rapidity. Some of the letters responding to Tipler questioned whether an intelligent civilization would be stupid enough to build self-reproducing von Neumann machines for galactic exploration. Wouldn't it be far more fun to go in person rather than by proxy? And, some pointed out, von Neumann machines would be ravenous ... Science Frontiers ONLINE No. 21: May-Jun 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Don't build von neumann machines Back in April 1981, Frank J. Tipler published a comment in Physics Today entitled, "Extraterrestrial Beings Do Not Exist." A key element of his argument was that the first intelligent civilization would inevitably colonize the entire universe with themselves or their self-reproducing (von Neumann) machines. Since we can detect neither kind of colonist ...
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... -Dec 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Or did it drift in from without?Hoyle and Wickramasinghe conceive the cosmos as a seething retort of energy, gases, dust, and, most significantly, organic molecules and microbes. The space between the stars is more important than the stars themselves, for this thin soup is, in their view, the real "swamp" where life originated! The main evidence supporting their radical hypothesis consists of spectrograms, particularly in ... panspermia? It is interesting to note here that even Hoyle, who has espoused the Steady State theory of the cosmos, seems to require the creation of life followed by evolution. This need for an origin of life is a human philosophical weakness. In principle, matter and life, too, could have always existed. From Science Frontiers #18, NOV-DEC 1981 . 1981-2000 William R. Corliss ...
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... deep in a shaft too small for humans? Is there a hidden chamber? Might it contain the body of Khufu, builder of the Great Pyramid, whose remains have never been found? A suspicious layer of black dust outside the door suggests the past presence of organic matter. Egyptologists find the whole business "very annoying." German archeologist R. Stadelman stated, "There is surely no other chamber." Meanwhile, Gantenbrink plans to slip a fiber-optic camera through the crack under the "door" to resolve ... matter. (Maugh, Thomas H., II; "A Robot's Mysterious Discovery," San Francisco Chronicle, May 2, 1993. Cr. J. Covey. Also found in the Wellington, New Zealand, Evening Post . May 1, 1993. Cr. P. Hassall.) From Science Frontiers #89, SEP-OCT 1993 . 1993-2000 William R. Corliss ...
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... 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 ... were formed." (Schidlowski, Manfred; "A 3,800-MillionYear Isotopic Record of Life from Carbon in Sedimentary Rocks," Nature, 333: 313, 1988.) Comment. Photosynthesis is not a simple biological process. To discover that it and life forms using it developed so quickly on the primitive earth is surprising. Did this complexity and "biological control" arise so quickly: (1 ) by chance; (2 ) by inoculation from extraterrestrial sources (See Astronomy above.); (3 ... 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 ...
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... 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.) ... contemplating these matters, however, seem to concur that microevolution, which supposedly gives rise to new species, cannot manage the bigger task of macroevolution, in particular the creation of new phyla at the beginning of the Cambrian. (Lewin, Roger; "A Lopsided Look at Evolution," Science, 241:201, 1988.) From Science Frontiers #60, NOV-DEC 1988 . 1988-2000 William R. Corliss ...
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... concentration of polycyclic aromatic hydrocarbons over soots above and below the boundary. This is strong evidence of pyrolytic action at the K-T boundary; i.e ., widespread fires. (Venkatesan, M.I ., and Dahl, J.; "Organic Geochemical Evidence for Global Fires at the Cretaceous/Tertiary Boun dary," Nature, March 2, 1989.) Fire could have been initiated by either volcanism or impacts. The evidence of the traps. Traps, like India's famous Deccan Traps, ... 1989 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects More confusion at the k-t boundary Just a few years ago, many scientists, especially physicists and astronomers, considered the Book of Science to be closed in the matter of what happened at the Cretaceous-Tertiary (K -T ) boundary, 65 million years ago, and why the dinosaurs met their end. It was declared, rather imperiously, that a large asteroid had impacted the earth, causing much physical and biological ... Science Frontiers ONLINE No. 63: May-Jun 1989 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects More confusion at the k-t boundary Just a few years ago, many scientists, especially physicists and astronomers, considered the Book of Science to be closed in the matter of what happened at the Cretaceous-Tertiary (K -T ) boundary, 65 million years ago, and why the dinosaurs met their end. It was declared, rather imperiously, that a large ...
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... the surface of Mars. Somehow, statistics were kind to these tiny Martian orphans, for they found their ways to the Antarctic snows. But what is really exciting is the recent discovery that chemical analysis of one of these purported Martian meteorites revealed a high concentration of organic material deep within. The implication is that Martian life existed, perhaps still does exist, beneath the Martian surface, where the Viking Lander's scoop could not get at it. (Anonymous; "Life under Mars?" Sky and Telescope, 78 ... (some say "ambiguous") results from the Viking spacecraft life-detection experiments in 1976, astronomers and biologists have proclaimed that Mars is sterile. This pronouncement may have been premature. A meteorite discovered in Antarctica in 1979 may change a few minds on this matter. This particular meteorite is one of the handful thought to have been blasted off into space by an oblique impact of an asteroid on the surface of Mars. Somehow, statistics were kind to these tiny Martian orphans, for they found their ways to the Antarctic ... Science Frontiers ONLINE No. 68: Mar-Apr 1990 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects New Life For Martian Life After the negative (some say "ambiguous") results from the Viking spacecraft life-detection experiments in 1976, astronomers and biologists have proclaimed that Mars is sterile. This pronouncement may have been premature. A meteorite discovered in Antarctica in 1979 may change a few minds on this matter. This particular meteorite is one of the handful thought to have ...
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... hydrocarbons related to his idea that primordial hydrocarbons deep in the earth's crust contribute heavily to the reservoirs of oil and methane we tap on the planet's surface. And everyone knows that all oil and gas is biogenic; that is, derived from buried organic matter! Gold has concluded that "not all is well" with American science. (Gold, Thomas; "New Ideas in Science, "Journal of Scientific Exploration, 3:103, 1989.) From Science Frontiers #68, MAR-APR ... . 1990-2000 William R. Corliss ...
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... ; "Bright Sparks," New Scientist, inside back cover, January 13, 1996) Comment. A similar phenomenon was observed at Blundellsands, England, on June 5, 1902, when tiny flames erupted from a mud flat. Spontaneously igniting methane from buried organic matter is a possible explanation. See GLN1-X36 in Lightning, Auroras. For more information on this catalog, visit: here . From Science Frontiers #104, MAR-APR 1996 . 1996-2000 William R. Corliss ...
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... almost all the continents are believed by some to be caused by eruptions of methane from the seafloor. The same eruptions probably also account for the myriads of "pockmarks" found in the sediments of shallow seas. Whether this outgassing of methane comes from shallow accumulations of organic matter or from deep within the crust is still debated. Here, geophysics merges with biology. Recently, a group of researchers discovered a large (540 square meters) patch of chemosynthetic mussels in a brine-filled pockmark, at a depth of 650 meters ... off the Louisiana coast. The mussels grew in a ring around the concentrated brine. The mussels harbor symbionts which consume the methane still seeping up through the brine from a salt diapir (a massive fingerlike intrusion 500 meters below the brine pool. The origin of some diapirs is not well-understood.) The mussels get the oxygen they require from the ordinary seawater covering the dense brine. Like the biological communities surrounding the "black smokers" and other ocean-floor seeps, the brine-filled pockmark community includes several species ... Science Frontiers ONLINE No. 73: Jan-Feb 1991 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects An Amusing Assemblage Of Anomalies We don't read much about "waterguns" in the modern scientific literature, but a century ago Nature published many ear-witness accounts of them. These muffled detonations heard near the coasts of almost all the continents are believed by some to be caused by eruptions of methane from the seafloor. The same eruptions probably also account for the myriads ...
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... Apr 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Subterranean petroleum factories?Sediment samples dredged up from the bottom of the Gulf of California near some hydrothermal vents contain petroleum similar in some ways to commercial petroleum. Apparently organic matter in the vicinity of the vent is thermally converted into oil, or at least something that, like wine, matures into something useful. (Simoneit, Bernd R.T ., and Lonsdale, Peter F.; "Hydrothermal Petroleum in Mineralized Mounds ... the Seabed of Guayman Basin," Nature, 295:198, 1982.) Comment. The recently discovered hydrothermal vents are only the external manifestations of what must be extensive chemical factories beneath the crust. The rich assemblages of thermosynthetic life (not photosynthetic life) around the vents makes one speculate about what might be transpiring chemically and biologically in the hot, fluid-saturated crevices and pores of the earth's crust. Carbon dating of petroleum sometimes yields absurdly young ages. Could it be that all the natural gas and ... Science Frontiers ONLINE No. 20: Mar-Apr 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Subterranean petroleum factories?Sediment samples dredged up from the bottom of the Gulf of California near some hydrothermal vents contain petroleum similar in some ways to commercial petroleum. Apparently organic matter in the vicinity of the vent is thermally converted into oil, or at least something that, like wine, matures into something useful. (Simoneit, Bernd R.T ., and Lonsdale, ...
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... ,528,000 light years) is but a hop, skip, and jump. A pressing question for these cosmologists searching for the really big picture is whether there is any order in the distribution of galaxies, galactic clusters, and superclusters. The scale of organization of the universe is of critical importance because it is a measure of state of the cosmos when hydrogen atoms first condensed from the seething sea of ions following the Big Bang. The prevailing expectation has been that galactic clusters and superclusters should be distributed at random; ... a new compilation of available data on galaxy clusters, we present evidence for a quasi-regular three-dimensional network of rich superclusters and voids, with the regions of high density separated by "120 Mpc [megaparsecs]. If this reflects the distribution of all matter (luminous and dark), then there must exist some hitherto unknown process that produces regular structure on large scales." (Einasto, J., et al; "A 120-Mpc Periodicity in the Three-Dimensional Distribution of Galaxy Superclusters," ... Science Frontiers ONLINE No. 110: Mar-Apr 1997 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Crystalline Universe Cosmologists think in the large. Billions of stars are nothing to them. The megaparsec (3 ,528,000 light years) is but a hop, skip, and jump. A pressing question for these cosmologists searching for the really big picture is whether there is any order in the distribution of galaxies, galactic clusters, and superclusters. The scale of ...
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... discrete X-ray sources separated by extended blobs of X-ray emitting material. If these blobs are really clumps of clumps of quasars too close to be separated by our instruments, the Big Bang model is at risk, for it cannot account for large, organized assemblages of quasars. (Powell, Corey S.; "X -Ray Riddle," Scientific American, 264:26, March 1991.) From Science Frontiers #79, JAN-FEB 1992 . 1992-2000 William R. Corliss ...
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... Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Really ancient oil -- and abundant life Geologists usually don't bother looking for oil in very ancient (Precambrian) rocks for two reasons: Conventional wisdom insists that oil is derived almost exclusively from organic matter, and additional conventional wisdom assures us that life was exceedingly scarce on earth billions of years ago. Any oil that was created billions of years ago would have surely been destroyed by intense pressures and high temperatures over the eons. Yet, Precambrian oil in ... quantities has been found in formations up to 2 billion years old (in Siberia, Australia, Michigan, for example). While some of this oil might have migrated in-to the Precambrian rocks from younger source rocks, some of it does seem indigenous and, therefore, ancient. (SF#48) Now, three Australian scientists (R . Buick, B. Rasmussen, B. Krapez) have discovered tiny nodules of bitumen (lumps of hydrocarbons) in sedimentary rocks up to 3.5 billion years old ... Science Frontiers ONLINE No. 119: Sep-Oct 1998 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Really ancient oil -- and abundant life Geologists usually don't bother looking for oil in very ancient (Precambrian) rocks for two reasons: Conventional wisdom insists that oil is derived almost exclusively from organic matter, and additional conventional wisdom assures us that life was exceedingly scarce on earth billions of years ago. Any oil that was created billions of years ago would have surely ...
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... 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 ... pits; and the pits, before enlargement by currents, are just the size of the whales' mouths. The whales apparently dredge up sediment and, with their baleen, strain out amphipods (shrimp-like crustaceans) from the sand. The coexisting narrow furrows turn out to be the work of walruses digging for clams. (Nelson, C. Hans, and Johnson, Kirk R.; "Whales and Walruses as Tillers of the Sea Floor," Scientific American, 256:112, February 1987.) Comment ... 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 ...
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... complex tangle of microscopic strands and particles of gel. According to F. A zam , an oceanographer at Scripps: It's not in the textbooks or in the classical explanations. The gel's existence fundamentally changes our ideas of the microcosmos in which sea organisms live. It has added another layer of complexity that people are only now starting to consider in the context of whole ocean systems . . Gel is like the dark matter of the sea. While sea gel does not impede the snorkeler, . it does herd ... into clumps or microniches . which we cannot see either. These microbes. in effect, exist in a tangled. 3-D mesh that affects not only their movements but also those of their prey and predators. A few statistics confirm the amazing complexity of the seawater microcosm and its incredibly high microbe population density. The long strands in the oceanic gel are mostly crosslinked polysaccharides. If the polysaccharides in 1 milliliter of seawater could be placed end-to-end, they would stretch out to 5,600 kilometers! Coexisting ... Science Frontiers ONLINE No. 134: MAR-APR 2001 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects I Must Go Down To The Goo Again!With apologies to Masefield for mangling a line of his poetry. it really is tine to go down to the sea and examine its microstructure. The ocean is not what it seems. When you snorkel in crystal-clear Caribbean waters, you do not sense that you are swimming in a very thin jelly. In reality, ...
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... Science Frontiers ONLINE No. 137: SEP-OCT 2001 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Unexpected Signals Within Life Forms Multicellular organisms are information networks. They have to be because life is conferred by the flow of information. We all learn how the nervous system carries a heavy traffic of electrical signals, but we hear less about chemical signals, and they are more important. Chemical signalling molecules help cells learn what is going on around them so that they can make ... radiation is not "pathological science," as physicist I. Langmuir called it back in 1953. Second, Van Wijk advances some mechanisms by which cells can generate bio-photons via their metabolic and enzymatic processes. Finally, he comes to the crux of the matter: Do biophotons really transmit information to neighboring cells and thereby affect their functions? Bolstering his claims, Van Wijk cites confirming modern experiments with seeds, neotrophil cells, dinoflagellates, and fireflies. (Fireflies employ bio-photons internally in addition to their external flashes ... Science Frontiers ONLINE No. 137: SEP-OCT 2001 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Unexpected Signals Within Life Forms Multicellular organisms are information networks. They have to be because life is conferred by the flow of information. We all learn how the nervous system carries a heavy traffic of electrical signals, but we hear less about chemical signals, and they are more important. Chemical signalling molecules help cells learn what is going on around them so that they can make ...
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... expects to find abiogenic petroleum and methane seeping upward from deep inside the earth, where they have resided since the earth was formed. Con-ventional petroleum geologists have roundly ridiculed the Siljan Ring project; after all, everyone knows that oil and gas derive from buried organic matter. Three years ago, at a depth of 6.7 kilometers, the "misguided" Swedish drillers pumped 12 tons of oily sludge from the granite rock. "Just drilling fluids and diesel-oil pumped down from the surface," laughed the ... . This autumn (1991), more oil was struck in a new hole only 2.8 kilometers deep. This time, only water was used to lubricate the drill. How are the skeptics going to explain this? Well, about 20 kilometers away, there are sedimentary rocks; perhaps the oil seeped into the granite from there. Rejecting this interpretation, the drillers are going deeper in hopes of finding primordial methane. (Aldhous, Peter; "Black Gold Causes a Stir," Nature, 353:593, ... Science Frontiers ONLINE No. 79: Jan-Feb 1992 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Black gold -- again The Siljan Ring and T. Gold are back in the news again. A few years ago, at Gold's instigation, private investors and the Swedish govenment put up money to drill for oil and gas at the Siljan Ring, some 200 kilometers northwest of Stockholm. This granitic region is a meteor-created, shattered scar on the earth ...
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