279 results found.
... Science Frontiers ONLINE No. 3: April 1978 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Cosmic Rays May Trigger Lightning Flashes Science has long claimed to have the explanation of lightning discharges well under control. But the discharge paths followed by lightning strokes often seem unnecessarily tortuous when more direct routes are readily available. The mechanism by which large reservoirs of unlike charges are built up is also obscure. Cosmic rays have now been pro-posed as both a source of charged particles and a provider of low-resistance ionized conduits for lightning to follow. Primary cosmic rays carry considerable energy, most of which appears near the earth's surface in the form of cascades of secondary particles that create complex ionized tracks as they penetrate the dense lower atmosphere. Lightning bolts would tend to follow these precursors along their crooked trails. (Anonymous; "Do Cosmic Rays Trigger Lightning Discharges?" New Scientist, 77:88, 1978.) Comment. Thunderstorm frequency has often been linked to solar activity, and cosmic rays could provide the connection. Could meteorites or "thunderbolts" do likewise? From Science Frontiers #3 , April 1978 . 1978-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf003/sf003p09.htm
... Science Frontiers ONLINE No. 13: Winter 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Human Compass In recent years, scientists have found magnetic material (magnetite) in birds, snails, porpoises, bacteria, and other animals. The utility of these biologically manufactured compasses is obvious. Humans, too, seem to have a magnetic sense, although no one has yet dissected the human head to search for magnetite crystals. Rather, the proof of a magnetic sense comes from direction-finding experiments by Robin R. Baker, in England. In a series of tests involving many subjects, blindfolded humans have been taken far afield and then asked, while still blindfolded, to point "home" and north. The results were surprising. Sense of direction was not lost despite long journeys. Furthermore, tests after removal of the blindfolds showed a marked deterioration of the directionfinding ability. The attachment of magnets and simulated magnets to the subjects proved that the magnets upset di-rection-finding capabilities. The controls with brass "magnets" retained their magnetic sense. (Baker, Robin R.; "A Sense of Magnetism," New Scientist, 87:844, 1980.) Reference. To read more about the human navigation sense, see BHT18 in our Catalog: Biological Anomalies: Humans I. This book is described here . From Science Frontiers #13, Winter 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 29 - 15 May 2017 - URL: /sf013/sf013p09.htm
... Science Frontiers ONLINE No. 14: Winter 1981 Supplement Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects More Phosphorescent Boomerangs July 10, 1979. The Arabian Sea. Aboard the m.v . Strathelgin. "At 1200 GMT large patches of milkygrey bioluminescence were observed; the patches appeared to form circular patterns resembling cartwheels, some of the configurations, however, did not have the central hub, see sketch. The patches pulsated at regular intervals (3 or 4 times per second). They moved in an anticlockwise direction until about 3 points abaft the beam where the direction of movement was reversed. On the beam they appeared to be at eye level, at all other times they were just above the surface of the water. The average size of the 'wheels' was 35 metres." (Penman, B.; "Bioluminescence," Marine Observer, 50:114, 1980.) Comment. A similar case of spinning boomerangs was reported in Lightning, Auroras, Nocturnal Lights, where the display was stimulated by switching the ship's radar on and off. Here, one must also ask how a bioluminescent phenomenon can exist at "eye level" many feet above the sea surface. To order the above-mentioned book, go to: here . From Science Frontiers #14, Winter 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 27 - 15 May 2017 - URL: /sf014/sf014p09.htm
... Science Frontiers ONLINE No. 9: Winter 1979 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Have magnets, will travel Homing pigeons seem to possess at least two direction sensors. Years of experiments with released birds have proved that they use sun compasses on sunny days but have magnetic backups for cloudy days. But how do they sense the earth's magnetic field? Paired-coil tests suggested that the pigeon compass resided in the neck or back of the head. Narrowing the search with sensitive magnetometers and two dozen dissected pigeons, the authors discovered tiny bits of tissue containing magnetite crystals. The same tissues contained yellow crystals likely made by the iron-storage protein ferritin, which was probably used in the biological synthesis of the magnetite. (Walcott, Charles, et al; "Pigeons Have Magnets," Science, 205:1027, 1979) Comment. Many species of mud bacteria also synthesize magnetite for purposes of orientation, indicating that nature or some directive force used the same strategy in two widely separated species. From Science Frontiers #9 , Winter 1979 . 1979-2000 William R. Corliss ...
Terms matched: 1 - Score: 25 - 15 May 2017 - URL: /sf009/sf009p08.htm
... 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 Heads or tails?Fake-head butterflies often escape predators that make passes at their cleverly designed tails, which as the figure shows, look awfully like butterfly heads, with eye spot, fake antennas, etc. Further, the converging stripes direct attention to the false head. The result is that this type of butterfly may lose its tail but save its real head. This effective stripe pattern has evolved (? ) independently at least six times in the Neotropics. (Robbins, Robert K.; "The 'False Head' Hypothesis: Predation and Wing Pattern Variation of Lycaenid Butterflies," American Naturalist, 118:770, 1981.) Comment. One wonders why all butterflies haven't evolved this neat ploy? From Science Frontiers #20, MAR-APR 1982 . 1982-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf020/sf020p05.htm
... Science Frontiers ONLINE No. 9: Winter 1979 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Large, unseen mass is pulling earth toward it Recent measurements of the cosmic microwave background indicate that the earth moves relative to it. New cosmic X-ray data from the satellite Ariel 5 suggests that a large, hitherto unsuspected mass is located in the same direction that the earth is moving. Thus, both X-ray and microwave data could be explained by supposing this mass to be large enough to pull the earth (and our Galaxy) toward it. This mass would have to be about 10 billion light years away and weigh as much as 100 million Galaxies. Such a gigantic blob or inhomogeneity in the universe would be very difficult to explain. As it is, the aggregation of stars into galaxies after the Big Bang remains poorly understood. The bigger the inhomogeneity, the harder it is to account for. The Big Bang should have spread matter out pretty evenly. (Anonymous; "Large Mass May Pull Earth Through Space," New Scientist, 83:21, 1979.) From Science Frontiers #9 , Winter 1979 . 1979-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf009/sf009p04.htm
... 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 Puzzling Group Behavior Of Sharks For some unknown reason, sharks often congregate in immense groups. Approximately 2,000 sharks took over 24 kilometers of the surf zone near Corpus Christi during June 1977. Some courageous divers decided to study large groups of the scalloped hammerhead that regularly gather in the Gulf of California. Happily, the hammerheads were not aggressive when so occupied and could be approached closely. They swam pointed in roughly the same direction, maintaining about the same spacing through the groups, which sometimes numbered 100 or more. They did not feed, mate, or do anything collectively; but once in a while an individual would suddenly engage briefly in acrobatic behavior -- one common type was dubbed the "shimmy dance." The researchers concluded that these shark groups had no obvious purpose and that, for reasons beyond the ken of man, this behavior somehow contributed to their evolutionary success. (Klimley, A. Peter; "Grouping Behavior in the Scalloped Hammerhead," Oceanus, 24:65, Winter 1981/1982.) Comment. The sharks might be much "farther along" without complex, time-wasting group behavior. What do sharks know about evolution anyway? From Science Frontiers #20, MAR-APR 1982 . 1982-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf020/sf020p08.htm
... Science Frontiers ONLINE No. 9: Winter 1979 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Moon-like craters in the north sea floor During the exploitation of the North Sea oil fields, geophysicists made detailed surveys of sea-floor topography with seismic instruments called boomers. They were startled to discover thousands of elliptical craters or pockmarks in the sediments. The craters are 30-330 feet across, 6-25 feet deep, and located in water about 500 feet deep. The long axes of the craters point roughly in the same direction; and the craters tend to be arranged in lines. The authors suggest that escaping subsurface gases and fluids may have formed the unusual structures. The possibility was underscored on July 30, 1978, when a very large eruption of sediment was detected by sonar. (McQuillin, Robert, and Fannin, Nigel; "Explaining the North Sea's Lunar Floor," New Scientist, 83:90, 1979.) Comment. The North Sea is a prime habitat of mistpouffers (sea-associated booming sounds). There might be a correlation here between natural-gas eruptions and these strange booming sounds. Also, the crude similarity of these sea-floor craters to the Carolina Bays should not be passed over. Reference. All types of unusual craters are cataloged in Section ETC in: Carolina Bays, Mima Mounds. For ordering information, visit: here . From Science Frontiers #9 , Winter 1979 . 1979-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf009/sf009p09.htm
... 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 A Most Peculiar Cloud Arch July 12, 1980. Strait of Gibraltar. "At 1825 GMT whilst the vessel was transiting the Strait of Gibraltar, a line of low cloud was observed in an otherwise cloudless sky, see sketch. The cloud was in the form of an arc in an east-west line, reaching the surface approximately 2 n. mile ahead and astern of the vessel. Visibility under the cloud was about 10 n. mile in the north-south direction and 2 n. mile to the east and west. Once the vessel reached the point where the cloud touched the surface, the visibility was reduced to approximately 1.5 n. mile. Whilst the vessel was passing the cloud, the barograph trace fell almost vertically and both the air and sea temperatures dropped several degrees." (Shepherd, F.; "Cloud," Marine Observer, 51:107, 1981.) Comment. This is just one more mysterious cloud arch, but on a very small scale. What bizarre meteorological conditions create such strange structures? Reference. Other unusual cloud phenomena may be found in Section GWC in our Catalog: Tornados, Dark Days. For more information on this book, visit: here . A curious cloud arch in the Strait of Gibralta. The ends terminated in the ocean at points 4 miles apart. From Science Frontiers #20, MAR-APR 1982 . 1982-2000 William R ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf020/sf020p11.htm
... Science Frontiers ONLINE No. 13: Winter 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Tidal Wave Of Gammas Sweeps Solar System On March 5, 1979, a colossal burst of gamma rays swept through the solar system, triggering radiation detectors on nine different spacecraft. By comparing the times of arrival of the burst, the direction of the source was narrowed down to a "box" a couple of arc minutes across. Gamma-ray bursts have never before been correlated with visible sources, but this time the box contained the remnants of a supernova in the Large Magellanic Cloud, a satellite galaxy of our own Milky Way. The anomaly that arises involves the immense distance of the supposed source and the strength of the burst when it reached the solar system. The power level of the supernova remnant gamma flash would have had to be about 1037 watts -- a stupendous figure. If the supernova remnant is a neutron star, as current theories suggest, the neutron star would have to be 10 to 100 times the size of the usual neutron stars. (Anonymous; "Gamma-Ray Burst Comes from Outside the Galaxy," New Scientist, 87:776, 1980.) From Science Frontiers #13, Winter 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf013/sf013p02.htm
... Science Frontiers ONLINE No. 22: Jul-Aug 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Bowerbird art for art's sake The bowerbirds of New Guinea and Australia build and decorate marvelously intricate and esthetic works of art. One must classify these impressive structures as works of art, even by human standards. For example, the bowers have geometrical organization and may be oriented to a specific compass direction, depending upon the species. Colorful berries, stones, and, when available, human artifacts are systematically arranged around the bower. Some bowerbirds even take a piece of bark in their bills and paint their bowers with colored berry juices. Each species has a certain style, but the bowers vary from individual to individual and with the age of the bird. Manifestly, these birds use tools for artistic purposes. Or do they? Is it all instinct? Some animal behaviorists believe the bower's purpose is to attract mates, but the males often chase females away, although mating does eventually occur within the bowers. A second explanation is that the bowers symbolize territorial rights. In this context, bowerbirds fre-quently raid and destroy neighboring bowers, stealing choice decorations -- all very human-like behavior. (Diamond, Jared M.; "Evolution of Bowerbirds' Bowers: Animal Origins of the Esthetic Sense," Nature, 297:99, 1982.) Comment. Is human art any more profound than that of the bowerbirds? Human artists doubtless feel they are doing something more than attracting mates or ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf022/sf022p07.htm
... . 22: Jul-Aug 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Large changes of the earth's magnetic fields in historical times By measuring the magnetic properties of bricks and other accurately dated human artifacts, geophysicists can reconstruct the history of the local magnetic field. Near Loyang, China, the field was as much as 54% higher in 300 A.D . than it is now. It was 15% higher in 1500 A.D . In 1000, it was less than today's value. (Wei, Q.Y ., et al; "Intensity of the Geomagnetic Field near Loyang, China, between 500 BC and AD 1900," Nature, 296:728, 1982.) Comment. Direct measurements of the earth's field go back only a few hundred years, but they are consistent with the data reconstructed from artifacts, both showing a steady decrease since 1500. No one has estimated the effects of these substantial changes on radiocarbon dating and, perhaps, human biology. From Science Frontiers #22, JUL-AUG 1982 . 1982-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf022/sf022p10.htm
... Science Frontiers ONLINE No. 18: Nov-Dec 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A Bump In The Cosmic Background The accepted explanation of the microwave cosmic background is that it is the "echo" of the Big Bang that created the cosmos as we now know it. Ideally, this background radiation should be uniform in all directions and follow the intensity curve of a black body radiating at 2.7 K. Spatial anomalies have already been reported, and now an embarrassing bump has been found on the intensity curve at 0.5 -1 .0 millimeters wavelength. No explanation for this departure from the black body curve has been provided except to say that the Big Bang deviated from the perfect uniformity. (Anonymous; "Cosmic Background Not So Perfect," New Scientist, 92:23, 1981.) Reference. Anomalies associated with the cosmic background radiation are cataloged under ATF1 and ATF2 in Stars, Galaxies, Cosmos. For details on the book, go to: here . From Science Frontiers #18, NOV-DEC 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf018/sf018p03.htm
... Science Frontiers ONLINE No. 17: Fall 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Why conserve junk?A. Jeffries, working at Leicester University with globin genes from man and related primates, has been studying how these genes direct the blood cells to make the alpha and beta chains of hemoglobin. Jeffries' analyses seem to indicate that the genes now coding for these hemoglobin chains are almost identical to those existing in human ancestors some 500 million years ago. Two curious facts have cropped up, however. First, about 200 million years ago, these genes were modified very slightly and relocated to entirely different chromosomes. Second, 95% of the DNA associated with these genes is "junk" -- with no known use. Why did nature conserve junk for 500 million years? Are vital genes in the habit of jumping from one chromosome to another? (Yanchinski, Stephanie; "DNA: Ignorant, Selfish and Junk," New Scientist, 91:154, 1981.) From Science Frontiers #17, Fall 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf017/sf017p06.htm
... Science Frontiers ONLINE No. 19: Jan-Feb 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Stratum Shuffling At Plate Boundaries In March 1981, the Glomar Challenger was drilling into the oceanic sediments north of Barbados. Here, oceanic sediments are apparently being scraped off the oceanic plate as it thrusts under the North American plate. As a result, older Miocene deposits now overlie younger Pliocene deposits. Direct observations of the pressure in the zone where the shearing occurs showed it to be some 20 bars higher than the equilibrium pressure of 550 bars. This higher pressure may support the theory that low-angle thrust faults many kilometers wide are physically possible because high pressure fluids lubricate the shear zone, allowing massive thicknesses of sediments to slide over one another without resulting in wholesale fracturing and obvious damage. (Anderson, Roger, N.; "Surprises from the Glomar Challenger," Nature, 293:261, 1981.) Comment. Scientific creationists have long thought that the many low-angle thrust faults, where many miles of older rock are superimposed on younger rock, contradict geological dating schemes and therefore the theory of evolution. Establishment geologists, although somewhat amazed at the sizes of some of the overthrusts, especially one in Wyoming, have never despaired of finding a reasonable physical mechanism that would preserve the Law of Superposition and the idea of dating rocks by their included fossils. The Glomar Challenger results should buoy their spirits. Nev-ertheless, we must wonder how widespread stratum shuffling really is. What stratigraphic sequence is now immune ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf019/sf019p08.htm
... Science Frontiers ONLINE No. 19: Jan-Feb 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Mind Marshals White Blood Cells If a hypnotist suggests to a receptive subject that his white blood cells are attacking cancer cells in his body, the population of white blood cells ranging through the subject's body will increase. Such "visualization" research is being conducted by Howard R. Hall at Penn State. The results seem to demonstrate the direct influence of hypnotic suggestion on the body's immune system. (Anonymous; "Hypnotism May Help Antibody Production," Baltimore Sun, October 19, 1981.) Comment. Since hypnotic suggestion is known to affect warts, body temperature, etc., its enhancement of the white blood cell population is merely one more example of the power of the mind over the body. The real mystery is just how the brain's electrical signals are converted into specific biological activity. From Science Frontiers #19, JAN-FEB 1982 . 1982-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf019/sf019p11.htm
... Science Frontiers ONLINE No. 5: November 1978 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects 70TH ANNIVERSARY OF THE TUNGUSKA EVENT Rich reviews the facts known about the fall and detonation of the famous 1908 "meteor." That this was no ordinary meteor is born out by several curious data: Tree-rings in the area show an enormous acceleration of growth since 1908; Inhabitants of this remote region stated that the reindeer suffered from mysterious scabs in 1908; There is a slight but definite increase in the radioactivity of the surviving trees; and Testimony indicates that the me-teor changed direction twice before impact. The various theories of what really happened, from black hole to nuclear explosion, are listed without comment. (Rich, Vera; "The 70-Year-Old Mystery of Siberia's Big Bang." Nature, 274:207, 1978.) From Science Frontiers #5 , November 1978 . 1978-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf005/sf005p13.htm
... Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A Chilly Martian Night Viking Lander 2 photographed frost on Mars in September 1977 during the Martian winter. A planet-wide dust storm had just subsided, and the theory evolved that both water and carbon-dioxide ice had frozen on dust particles in the atmosphere. Such particles were heavy enough to fall and give the scene around Viking a snow-like coating. However, frost was again photographed in 1979 (one Martian winter later) without the benefit of a dust storm. So, Mars theorists are in a quandary -- no dust, then no frost theory is reasonable. (Anonymous; "Viking, Three Years Later," Eos, 60:635, 1979.) Comment. Evidently, frost cannot form directly on the Martian surface as it does on earth due to the very low vapor pressure of water on the planet. From Science Frontiers #9 , Winter 1979 . 1979-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf009/sf009p06.htm
... Science Frontiers ONLINE No. 11: Summer 1980 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Hierarchies Of Evolution All organisms from man to mouse to amoeba are merely DNA's way of manufacturing still more DNA -- so goes the modern ramification of molecular biology and the Genetic Code. In other words, DNA and genes are selfish, and ultimate parasites, directing the evolution of life only to maximize the production of DNA. This theme is not the subject of this paper by Doolittle and Sapienza. Rather, they wonder about those nonsense DNA sequences that do not code for protein. The presence of these "useless" bits of genetic material is often explained in terms of gene "expression." Emphasis is always on maximizing the "fitness" of the organism (phenotype). Perhaps this seemingly excess genetic material actually maximizes the fitness (survivability) of the DNA itself. Evolution thus occurs at DNA and gene (genome) levels, despite what transpires at the organism (phenotype) level. (Doolittle, W. Ford, and Sapienza, Carmen; "Selfish Genes, the Phenotype Paradigm and Genome Evolution," Nature, 284:601, 1980.) Comment. We know that mitochondria and chloroplasts have their own genetic material; evolution may be occurring at this level, too, independent of pressures for change on the organisms. Waxing speculative, may there not be other hierarchies where systems are trying to maximize their own survivability, even at molecular, atomic, and subatomic levels? Don't laugh! ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf011/sf011p04.htm
... until they become extinct. This striking aspect of the fossil record is not predicted by neo-Darwinism -- and there is the rub! (Williamson, Peter G.; "Morphological Stasis and Developmental Constraint: Real Problems for Neo-Darwinism," Nature, 294:214, 1981.) Comment. In neo-Darwinism, evolution unfolds by small accumulated changes, the causes of which may be chemicals in the environment, nuclear radiation, and other "stresses." Neo-Darwinism goes hand-in-hand with geological Uniformitarianism, both of which are favored philosophically by scientists because slow change is more amenable to scientific explanation. The large sidewise steps of punctuated evolution are difficult to explain in terms of known "forces." In this context, the radical concepts of directed panspermia and the impact of viruses on evolution may be important! From Science Frontiers #19, JAN-FEB 1982 . 1982-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf019/sf019p06.htm
... kind of colonist, we must be the first and only intelligent civilization. Essentially Tipler was criticizing the prevailing notion that, from a statistical point of view, there must be many other civilizations among the numberless stars and galaxies. Tipler's thoughts evoked a richly provocative group of letters, some of which were published in the March 1982 issue of Physics Today along with a closely related article by Ornstein. Ornstein tackled the problem of estimating the probability that intelligent life would evolve on other planets from a 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 fossil 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 consumers of energy and ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf021/sf021p08.htm
... The following abstract is from a 1982 paper in Nature. "It has been suggested that the evolution of man took place in Africa. This suggestion results from the unusual abundance of fossil material in Africa that is quite ancient in comparison with what is known elsewhere. The theory of an African origin has influenced the interpretation of the age of some non-African archaeologial sites. A case in point is the 'Ubeidiya locality in Israel, which is generally considered to be about 700,000 yr old because it has been assumed by a few that the associated Early Acheulian tool industry, and the persons who used it, would have taken considerable time to disperse from Olduvai Gorge to this non-African site in Israel. Here we evaluate fossil mammals from 'Ubeidiya, which are stratigraphically and directly associated with Early Acheulian artifacts, and find no substantial reason for considering the locality younger than 2Myr, and possibly as much as 500,000 yr older than any record of Early Acheulian artefacts or Homo erectus in Africa." (Repenning, Charles A., and Fejfar, Oldrich; "Evidence for Earlier Date of 'Ubeidiya, Israel, Hominid Site," Nature, 299:344, 1982.) From Science Frontiers #24, NOV-DEC 1982 . 1982-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf024/sf024p01.htm
... Science Frontiers ONLINE No. 14: Winter 1981 Supplement Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Worms with inside-out stomachs The recently discovered tube worms, living near the hot water vents on the ocean bottom off the Galapagos, have no mouths or guts. Their bodies are covered with thousands of feathery tentacles, each packed with blood vessels. Apparently, the tube worms extract nutrients directly from the sea water and expel wastes the same way -- having in effect external stomachs. These worms, which may be many feet long, contain enzymes that permit them to extract carbon dioxide from the seawater and fix it much like plants do during photosynthesis. George Somero, at Scripps, estimates that the enzyme levels in the worms are similar to those in a spinach leaf. (Anonymous; "15-Foot Sea Worm Has Plant Qualities," San Diego Evening Tribune, May 22, 1980. UPI dispatch) Comment. This curious biological anomaly developed in an ecological niche where the primary energy source for sustaining life is geothermal rather than solar. How did this remarkable situation arise? Do the tube worms have relatives in the fossil record showing a step-by-step development of inside-out stomachs? From Science Frontiers #14, Winter 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf014/sf014p08.htm
... Science Frontiers ONLINE No. 13: Winter 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Propagation Of Acquired Characteristics Almost all biologists reject Lamarck's idea that characteristics acquired by a parent can be transmitted to the progeny. In the field of immunology, especially, experimental findings are stimulating a revival of forbidden Lamarckism! Taylor reviews several experiments in which acquired immunity seems to be passed along from generation to generation. This, of course, directly contradicts the Dogma of Evolution and Weissmann's closely related doctrine of the inviolatability of the germ plasm. But Taylor goes on to suggest several ways to circumvent Weissmann's doctrine, the most interesting of which employs viruses to carry acquired genetic information from generation to generation. (Taylor, R.B .; "Lamarckism Revival in Immunology," Nature, 286:837, 1980.) Comment. The possible role of viruses and other "disease carriers" in the unfolding (rather than "evolution") of life is only now being widely recognized. Could it be that the price of evolution and/or the responsiveness of life to environmental pressures is a certain level of infection? From Science Frontiers #13, Winter 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf013/sf013p07.htm
... Science Frontiers ONLINE No. 13: Winter 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Violent Undersea Weather Long lines of frothing, turbulent water and transitory packets of large waves occasionally sweep across an otherwise placid sea. Usually dismissed as "rips," satellite photos reveal that these disturbances may be 125 miles long. Often several can be seen criss-crossing an ocean simultaneously from different directions. Some have a 12.5 -hour period. linking them to lunar tidal action. The surface manifestations, like the tip of the iceberg, only hint at what transpires beneath the surface. The long corridors of disturbance, moving at about 5 mph, mark where "internal waves" intersect the surface. Down be-low, submarines and other objects may suddenly rise or fall as much as 600 feet. Internal waves may in fact have caused several submarine disasters. How are internal waves created? Tid-al waters may spill over an undersea sill or ledge, creating a travelling disturbance. Some oceanographers liken the internal waves to the lee waves formed parallel to large mountain ranges. Manifestly, there is much to learn about undersea weather. (Anonymous; "Underwater Waves Held a Possible Clue to Disappearances of U.S . Submarines," Baltimore Sun, October 5, 1980.) Reference. We collect observations of periodic bands of waves under GHW2 in our Catalog: Earthquakes, Tides. To order, visit: here . From Science Frontiers #13, Winter 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf013/sf013p11.htm
... Science Frontiers ONLINE No. 15: Spring 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects "TIRED LIGHT" THEORY REVIVED The Expanding Universe Theory depends to a large degree upon the correctness of Hubble's Law; viz., the redshifts of distant objects are directly proportional to their distances from earth. Unfortunately for the Expanding Universe, some redshift measurements indicate a quadratic rather than linear relationship between redshift and distance. I.E . Segal's chronometric theory of the cosmos, however, does predict a quadratic relationship. In Segal's theory redshifts are due to the gravitational slowing of light rather than any gereral expansion of the universe. Even if most astrophysicists are finally persuaded that the quadratic relationship is real, they will be loath to abandon the philosophically appealing Expanding Universe. Not only is the Expanding Universe consistent with Relativity but it states unequivocally that the earth (and man) does not occupy a preferred place in the universe. (Hanes, David A.; "Is the Universe Expanding?" Nature, 289:745, 1981.) Comment. A geocentric theory would intimate a supernatural force favoring humanity. From Science Frontiers #15, Spring 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf015/sf015p06.htm
... Science Frontiers ONLINE No. 14: Winter 1981 Supplement Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects There's more than gold in the kolar mines When physicists installed nuclear-particle detectors deep in a mine in the Kolar Gold Fields in India, they hoped to measure particles created by highly penetrating neutrinos arriving from cosmic sources. They found instead immense showers of nuclear particles coming, not from above as expected, but from the sides and even below! These huge showers of 1,000 or more assorted particles are called "anomalous cascades." Neutrinos are the only known particles capable of penetrating the entire earth to create upwardly directed showers, but ordinary neutrinos do not seem to have enough energy to give birth to the anomalous cascades. (Anonymous; "Particle Shower Sprays Upward," Science News, 118:246, 1980.) Comment. Are there sources of unrecognized radiation deep within the earth? From Science Frontiers #14, Winter 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf014/sf014p05.htm
... 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 Gravity Anomaly Ripples Centered In Canada When scientists recently examined gravity anomaly data for North America, strange circular ripples appeared to surround a point near Hudson Bay. These ripples seem to have spread out like those from a pebble dropped into a pond, but here the ripples are actually ancient density variations in the earth's crust, now covered over by thick sediments. One hypothesis is that a 60-90 kilometer meteorite smashed into the earth some 4 billion years ago, wrinkling the young surface for several thousand kilometers in all directions around a colossal crater. Magma welling up in the crater solidified creating the nucleus of the North American continent. It is quite possible that the other continents began their existences in this way -- meteor impact. The gravity data that led to this hypothesis have been available for some time but apparently no one ever looked at them with continental patterns in mind. (Simon, C.; "Deep Crust Hints at Meteoric Impact," Science News, 121:69, 1982.) Comment 1: John Saul has discovered surface indications of immense ring structures in the American southwest. See ETC2 in our Catalog: Carolina Bays, Mima Mounds, which is described more fully here . Comment 2: If all our continents were initiated by meteor impacts, and if they were once clustered together in a supercontinent, as postulated by Continental Drift, then the incoming meteorites would have to have been focussed on ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf020/sf020p09.htm
... 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 Getting The Pouch Right When we think of kangaroos hopping about Australia (which isn't very often), we know that all baby kangaroos are safely "buckled in" their mothers' pouches -- nature's own vehicle restraint system. How fortunate it is that kangaroo pouches open at the top; otherwise, little kangaroos would be falling out all over the place. While some marsupials have pouches opening "up" or "forward" in quite a few others evolution got the directions for pouch manufacture reversed. The koala, the wombat, the thylacine, and the marsupial mole all have backward-opening pouches. Obviously, a forward-opening pouch on the mole would act like a dirt scoop, to the great inconvenience of any occupants. On the other quadrupeds, the backwardopening pouch may protect the young from branches and vegetation. (Marshall, Jeremy H.; "Directional Pouches," Nature, 309:300, 1984.) Comment. This is an example of the socalled Problem of Perfection, where life seems marvelously attuned to its environment; that is, "fittest." Somewhere among the millions of species alive today, there must be one out-and-out failure. Of course, if full-scale nuclear war breaks out, we will know that evolution did make at least one mistake! Evolution gone wrong! Nature's cartoon of a kangaroo with a wrong-way ...
Terms matched: 1 - Score: 29 - 15 May 2017 - URL: /sf035/sf035p11.htm
... 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 analyzes this pattern as if it were an acoustic hologram. The brain then interprets this data and infers the direction of the sound. (Zuccarelli, Hugo; "Ears Hear by Making Sounds," New Scientist, 100:438, 1983.) Comment. We have been able to appreciate this slick biological trick only after we "discovered" holograms. We should wonder if we are missing anything else! Two letters quickly appeared casting doubt on not only Zuccarelli's Theory but his personal scientific capabilities. (Baxter, A.J ., and Kemp, David T.; "Zuccarelli's Theory," New Scientist, 100:606, 1983.) From Science Frontiers #31, JAN-FEB 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 29 - 15 May 2017 - URL: /sf031/sf031p08.htm
... 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 Blooms in the desert?Particle physicists have recently observed anomalous events in data from the proton-antiproton collider at the European Laboratory for Particle Physics (CERN). These unexpected events occur when a proton hits an antiproton head-on at very high energies. Highly collimated jets of charged particles shoot out in one direction, while an unrecognized "something" takes off in the opposite direction. The reactions take place at energies just beyond the masses of the newly discovered W and Z particles. Till now, this energy region has been dubbed a "desert" because, according to the so-called Grand Unification Theory of particle interactions, nothing is supposed to happen there. But there is something there after all; and whatever it is, it does not seem to be remotely like any known or predicted particle. (Waldrop, M. Mitchell; "Blooms in the Desert?" Science, 224:589, 1984.) From Science Frontiers #35, SEP-OCT 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 27 - 15 May 2017 - URL: /sf035/sf035p22.htm
... 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 Cosmic Rays Not Random Conventional wisdom maintains that the cosmic rays intercepted by the earth are randomly distributed in space and time because of the smoothing action of the galactic magnetic field. But a cosmic-ray telescope buried beneath 600 meters of rock has recently detected bursts of cosmic rays emanating from specific directions. The two major sources are in the direction of the galactic north pole and the constellation Cygnus. Since the galactic magnetic field seems sufficient to randomize all charged particles during their long flights through space, pristine cosmic rays may not be charged particles at all. (Hecht, Jeff, and Torrey, Lee; "Scientists Find Sources of Cosmic Rays," New Scientist, 99:764, 1983.) Reference. The many anomalies of cosmic radiation are cataloged it: Stars, Galaxies, Cosmos. Details on this book at: here . From Science Frontiers #30, NOV-DEC 1983 . 1983-2000 William R. Corliss ...
Terms matched: 1 - Score: 27 - 15 May 2017 - URL: /sf030/sf030p03.htm
... Science Frontiers ONLINE No. 34: Jul-Aug 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A Gathering Of Quasars The universe is supposed to be approximately uniform in all directions -- the evenly distributed smoke from the Big Bang. Halton Arp, an energetic opponent of the standard cosmological view, points out that quasars are socializing in disgracefully large numbers in one region of the sky. In the direction of the so-called Local Cluster of galaxies, between redshifts 1.2 -2 .5 , there are roughly four times as many quasars per unit volume as in the other parts of the sky. This unexpected clumping of quasars affects a region 1,3000 million light years in diameter and 4.875 million light years deep, a rather substantial chunk of the cosmos. Arp's discovery places astronomy in a no-win situation. Either the distribution of quasars is too clumpy for current theory or the redshift/distance law is wrong. Neither situation makes astronomers very happy. (Anonymous; "Quasars and Quasi Quasars," New Scientist, p. 20, May 17, 1984.) From Science Frontiers #34, JUL-AUG 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 26 - 15 May 2017 - URL: /sf034/sf034p08.htm
... 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 Unidentified Phenomena September 17, 1982. South Atlantic Ocean. 2103 GMT on a clear dark night. "The first thing noticed was the formation of a bright patch of white light in the general area between Rasalhague and Alphecca. Gradually a dark eye formed in the centre of the patch in which shortly afterwards a very bright object appeared like a star of magnitude -2 . After one or two seconds this object appeared to undergo a tremendous explosion and became a large bright orange gaseous fireball, which appeared to be hurled earthwards directly down the observer's line of sight, growing constantly larger and larger. One witness described the fireball as resembling rolling orange smoke. The ball then ceased to increase in size, giving the impression that it had stopped. Its orange colour rapidly gave way to rainbow colours which gradually gave way to white and faded in brilliance until all that remained were several patches of luminous white light, although these were impressive in their own right." A similar phenomenon was noted the following night, although the ship was 7 farther south. September 18, 1982. South Atlantic Ocean. From a different ship in the same area as the one above. "The altitude of the first sighting was approximately 24 , level with the planet Jupiter and offset to its right. The six subsequent bursts were above the first, and slightly to the right, leaving a fantail of purple/white lenticular clouds which leaned ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf031/sf031p19.htm
... 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 When The Earth Shifted Gears No one really knows just how the terrestrial magnetic field is generated or why it has reversed its direction so frequently in past geological time. Per-haps there is a clue in the following correlation: "The Mesozoic-Cenozoic histories of reversals in the earth's magnetic field and of periods of widespread anoxia in the ocean basins show a remarkable correlation; periods of black-shale deposition (' anoxic events') occur during lengthy periods without magnetic reversals (' quiet periods'). My assembly of published work indicates a remote connection between quiet periods and anoxic events and suggests its form: Magnetic quiet periods coincide with fast seafloor spreading. During these periods, buoyant spreading ridges displace seawater into broad shelves, thus decreasing earth's albedo and causing global warming. Temperature gradients, and thus density gradients, from pole to equator decrease in surface waters, and the deep ocean currents of oxygenated polar waters wane. Oxygen minimum zones intensify and widen; anoxic conditions throughout entire basins are indicated by black shales deposited in the deep sea. These relations thus suggest that the earth's interior processes and its climates are related and their status recorded by both magnetic polarity and anoxic event chronologies of the earth." (Force, Eric R.; "A Relation among Geomagnetic Reversals, Seafloor Spreading Rate, Paleoclimate, and Black Shales," Eos, 65:18, 1984.) Comment ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf032/sf032p12.htm
... Science Frontiers ONLINE No. 27: May-Jun 1983 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A COMPASS IN OUR SINUSES?You may not feel any north-directed nasal twinges, but the thin hard bones lining the human sinuses contain deposits of magnetic ferric iron. This discovery adds man to a long list of organisms from bacteria to birds known to possess localized accumulations of magnetic material. Experiments with these animals, including humans, seem to indicate a widespread ability to detect ambient magnetic fields. Some animals appear to use this sense for navigation. Whether humans do or do not is still a moot question. (Baker, Robin R., et al; "Magnetic Bones in Human Sinuses," Nature, 301: 78, 1983.) From Science Frontiers #27, MAY-JUN 1983 . 1983-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf027/sf027p04.htm
... inches in length coming from a white centre. I felt nothing, but was startled. There was no damage to the water heater or anything else. Just as I exclaimed at the blue flashes, I heard my mother cry out and ran to her in the living room. She was sitting in a chair about ten feet from the window, under which stands the television set, plugged in but not switched on. About eight feet from the floor and four feet in front of the double-glazed window (i .e . between the television and the fireplace, but not quite over or opposite either), appeared an orange fireball, rather smaller than a football, with straight lines of orange light, varying from about one to two feet in length coming from it in all directions. This ball seemed to hover for up to five seconds before disappearing. I did not see it myself. My mother quickly recovered from the shock and there was no damage in the room." (Gilbey, J.C .M .; "Orange-Coloured Ball Lightning.....," Journal of Meteorology, U.K ., 9:245, 1984.) Living room: orange fireball with orange rays From Science Frontiers #38, MAR-APR 1985 . 1985-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf038/sf038p14.htm
... it, like an afterglow. Also trailing astern of the object was a light trail of sparks (possibly large solid particles). The object disappeared behind clouds, bearing about 170 (T ) at an elevation of approximately 35 , and lighting the edges of the clouds. The time taken for the passage was around 20 seconds. It was obviously a very large object, judging from its apparent size as seen from sea level. The impression given was that of an object within the atmosphere, easily showing around a one-penny piece held at arm's length." (Edwards, R.A .F .; "Unidentified Flying Object," Marine Observer, 54:82, 1984) Comment. This seems to be a description of a large fireball, but the direction of flight (north-south) is unusual and the time of passage (20 seconds) extremely long for a meteor. Large, very sluggish fireball trailing sparks over the North Atlantic. From Science Frontiers #38, MAR-APR 1985 . 1985-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf038/sf038p05.htm
... how the orchid's seeds are dispersed is still a mystery. (Cooke, John; "Hidden Assets," Natural History, 93:75, October 1984.) Bats navigate by somehow constructing an image of the external world from the echoes of their squeaks. Since bats have but two ears, one wonders how they can develop a three-dimensional image from a two-dimensional sensor; ie., two ears give right-and-left information only. The moustache bat makes up for this deficiency by generating echo-locating pulses at three distinct harmonics: 30, 60, and 90 kilohertz. Its external ears are so shaped that each of these three frequencies has a different acoustic axis, giving the bat in effect three separate sets of ears pointing in three different directions. Inside the bat's head, in the inferior colliculus of the brain, are three sepa rate sets of neurons sensitive to the three different frequencies. No one knows how the bat processes such information into a "display" it can use in swooping after insects at night. (Anonymous; "The Ins and Outs of a Bat's Ears," New Scientist, 20, August 30, 1984.) Reference. For more on bat navigational prowess, see section BMT3 in our catalog: Biological Anomalies: Mammals II. This volume is described here . The three acoustic axes of the moustache bat. From Science Frontiers #36, NOV-DEC 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 14 - 15 May 2017 - URL: /sf036/sf036p06.htm
... Elegans The creature with this formidable name is only about a millimeter long and develops from egg to adult in about 3.5 days, at which time it possesses about 1,000 somatic cells. C. elegans is a roundworm, but a famous one. Its growth has been followed on a cell-bycell basis from egg to adult. The history of each cell is known from birth to death. The fact that C.elegans is nicely transparent helps the cell-watcher. Here are some of the interesting things to be seen as cells proliferate, live, and die. First, C. elegans is bilaterally symmetrical, but the pattern of cell generation on the right differs from that on the left. Nevertheless, the creature ends up symmetrical, making one wonder where the directions for symmetry come from. Some cells are transients, dying when their jobs are done. A few doomed cells are generated only because they produce sister cells that are needed in the final animal. Such a programmed loss of cells may be a method of modifying an organism during evolution. John Sulston, one of the researchers, says, "Within the lineage you can see the fossil of its past." (Marx, Jean L.; "Caenorhabditis Elegans: Getting to Know You," Science, 225:40, 1984.) Comment. Sulston's statement reminds one of "Ontogeny recapitulates phylogeny," which we thought had been discredited long ago. From Science Frontiers #35, SEP-OCT 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf035/sf035p14.htm
... 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 Mental Control Of Allergies "Most of the effort directed at understanding the problems of allergy has focused on the interacting components of the immune system. The possibility that histamine may be released as a learned response has now been tested. In a classical conditioning procedure in which an immunologic challenge was paired with the presentation of an odor, guinea pigs showed a plasma histamine increase when presented with the odor alone. This suggests that the immune response can been hanced through activity of the central nervous system." The article begins by noting that many anecdotal reports suggest that allergic reactions can be induced by suggestion; viz., an allergy to roses induced by an artificial rose. (Russell, Michael, et al; "Learned Histamine Release," Science, 225:733, 1984.) From Science Frontiers #36, NOV-DEC 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf036/sf036p17.htm
... systems. (Science, 221:568, 1983.) Also, men who have recently lost their wives to breast cancer have immune systems less responsive to mitogens. (Journal of the American Medical Association, 250:374, 1984.) (Maddox, John; "Psychoimmunology Before Its Time," Nature, 309:400, 1984.) Comment. This is an appropriate time to suggest that "psychoevolution" may be physiologically possible. If the brain can fight disease and even control cell growth, why not a role for the mind in stimulating the development of new spe cies, perhaps in response to extreme environmental pressures, and perhaps not on the conscious level? The body's sensory system would detect great external stresses, the brain would process the information, and direct some astute genetic shuffling. The genetic inheritance of an organism is not sacrosanct. Radiation, chemicals, and various others mutagens are recognized. There seems to be no a priori reason why the brainbody combination cannot generate mutagens -- possibly not randomly but intelligently! (We ignore here selfish DNA and Sheldrake's morphogenic fields.) Does this mean that if we wish to mutate, we can? Well, it's probably not as simple as wishing warts away, but Maddox's editorial underscores the complexity and subtlety of the brain-body combination. From Science Frontiers #35, SEP-OCT 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf035/sf035p20.htm
... All Issues This Issue Sourcebook Project Sourcebook Subjects The inca's use of bismuth From Machu Picchu, Peru, comes a unique artifact: a llama-head knife made from two types of bronze. The knife blade and stem are made from low-tin bronze (not at all unusual), but the llama head is bronze with 18% bismuth. Bismuth occurs as a native metal in Peru and it is not surprising that the Incas knew of it. This is the first artifact, however, containing any appreciable proportion of bismuth in bronze. The authors of this paper believe that the use of bismuth was intentional for at least two reasons. (1 ) It gave the llama head an attractive lighter tone than the rest of the knife. (2 ) The handle was cast directly on the stem, and the use of bismuth in the bronze would prevent the bronze from expanding too much during solidification. The handle, therefore, would be more securely attached to the stem. The Incas thus seem to have been better metallurgists than we have supposed. (Gordon, Robert B., and Rutledge, John W.; "Bismuth Bronze from Machu Picchu, Peru," Science, 223:585, 1984.) From Science Frontiers #33, MAY-JUN 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf033/sf033p01.htm
... 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 Slithering Patch Of Light September 8, 1981. Te Ngaere, New Zealand. Inside a house during a thunderstorm. "The next lightning seemed directly overhead and very bright and was accompanied by a simultaneous very loud clap of thunder. I looked up as the whole house shook and then looked down and saw a flow of light come in under the door. It settled in a blob near the edge of the area where the tools were laid out. It was not in any true shape but about 3 or 4 inches long and 2 inches wide, moving along the floor, less than half an inch thick, seemingly fluid in shape and texture. It reminded me of quicksilver, being a bluish-silver colour and it had rounded sides like a blob of mercury. It was brighter at the edges than in the middle, but it did not seem, especially in the light of the room, to glow, nor did it give out sparks. From the central body arms flowed out like runs of oil among the tools. The trails weaved through the tools -- not actually over them but round them -- moving back into the main body of the blob and then going out doing the same kind of movement over again. There was no sound or smell. The arms finally all went back into the blob which disappeared again suddenly out under the door. There was no bang and when I ventured to touch ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf026/sf026p10.htm
... 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," 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 on this. From Science Frontiers #32, MAR-APR 1984 . 1984-2000 William R. Corliss ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf032/sf032p05.htm
... This Issue Sourcebook Project Sourcebook Subjects The Kaleidoscopic Brain "It first hit me early in the morning of December 27, 1970. Suspended in the dreamy state just before waking and with my eyes still closed, I experienced an extraordinarily vivid visual image. Extending before me was an infinite array of diamond-shaped amber regions; each was filled with a regular pattern of black spade-like forms, all pointing straight up, or, in alternate diamonds, to the left. A latticework of delicately beveled edges, gleaming like polished gold, framed with diamonds. The whole array shimmered before me in perfect amber and gold splendor for what must have been several seconds." This kind of geometrical visual experience occurs rarely to some people during "twilight" states just before falling asleep or waking. Direct pressure on the optic nerve produces similar geo meters' delights; so can drugs, fever, sleeplessness, and other altered states of consciousness. Migraine headaches, too, are often presaged by floating, semicircular fields of closely spaced parallel lines or bars arranged in zigzag patterns. This geometrical visual phenomenon may, like a berserk TV screen, be diagnostic and betray regularities in the brain's circuitry. The kaleidoscopic patterns seem to occur when imput signals from the eyes are weak or suspended, leaving the brain to generate its own "favorite" patterns. (Shepard, Roger N.; "The Kaleidoscopic Brain," Psychology Today, 17:62, June 1983.) Comment. But why the elaborate geometry? Could this apparently "built-in" pattern-generating capacity ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf031/sf031p20.htm
... 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 Anatomy Of A Magnetic Field Reversal "A highly detailed record of both the direction and intensity of the Earth's magnetic field as it reverses has been obtained from a Miocene volcanic sequence. The transitional field is low in intensity and is typically non-axisymmetric. Geomagnetic impulses corresponding to astonishingly high rates of change of the field sometimes occur, suggesting that liquid velocity within the Earth's core increases during geomagnetic reversals." The time period required for the field to reverse was about 4500 years, as measured at Steens Mountain, Oregon. There were three periods of very rapid change (impulses), which hint at radical changes in the core. The average magnetic field at the earth's surface decreased to 20% of normal during the reversal. (Prevot, Michel, et al; "How the Geomagnetic Field Vector Reverses Polarity," Nature, 316:230, 1985.) Comment. The illustration reveals that the reversal was far from a clean 180 flip; there was much meandering. Just what was happening in the core during the reversal is a mystery. When the magnetic field dropped to low levels, flux of cosmic rays and other radiation at the earth's surface probably increased drastically. Terrestrial life might have been adversely affected. The Steene Mountains directional record. The numbers refer to the samples used from the volcanic sequence, in order of increasing age. Dotted lines represent field directions in the ...
Terms matched: 1 - Score: 42 - 15 May 2017 - URL: /sf041/sf041p13.htm
... 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 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 . 1987-2000 William R. Corliss ...
Terms matched: 1 - Score: 42 - 15 May 2017 - URL: /sf050/sf050p11.htm
... Science Frontiers ONLINE No. 38: Mar-Apr 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Expanding Phosphorescent Rings May 9, 1983. Gulf of Oman. Aboard the m.v . Mahsuri. "At 1650 GMT, a pale green glow was seen to emanate from the horizon ahead. This gave the appearance of strong moonlight upon the surface of the water. The moon, however, was not in evidence. At 1700 GMT, rapid flashes of light were observed sweeping across the sea directly ahead of the vessel, giving the initial impression of a sudden increase of wind speed causing excessive spray. By 1715 GMT, the vessel was totally surrounded by completely random movements of light as far as the eye could see. The onset of this phenomenon was so rapid, not to say eerie, that the Master was called to the bridge to witness the event. For the next 15 minutes the sea was at a height of activity, displaying several systems of the most unusual bioluminescence. The most significant of these were what appeared to be Phosphorescent Wheels, which, although they did not seem to rotate, originated from a central hub and spread out rings in rapid succession, forming concentric circles. This was pointed out by many of those who observed them as being similar to the instance of a stone being dropped into a quiet pond and causing waves to spread out. In this case each wave crest was a band of fantastic light. Each wheel would last for a couple of minutes, continually flashing out bands of ...
Terms matched: 1 - Score: 35 - 15 May 2017 - URL: /sf038/sf038p18.htm
... 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 Neptune's partial rings Neptune's rings cannot be seen directly. Instead, earth-based astronomers watch for occultations or dimmings of stars as they pass behind the rings. This seems straightforward enough in theory, but the occultations have been perplexing in practice. First, one member of a closely spaced double star will be occulted normally by the rings but its companion won't . Second, some terrestrial observatories will record an occultation but another a few thousand miles away will not. Such experiences have led to the hypothesis that the rings are discontinuous; that is, they are arcs rather than complete rings. Why should Neptune's rings be different from those of the other major planets? On speculation maintains that the arcs are the consequence of one or more recently satellites. Another hypothesis, by J.J . Lissauer, has the arcs gravitationally shaped and maintained by two moons, one of the shepherd type (as with Saturn's rings), the other at a Lagrangian point in the arc's orbit. (Kerr, Richard A.; "Neptune's Ring Arcs Confirmed," Science, 230:1150, 1985. Also: Lissauer, Jack J.; "Shepherding Model for Neptune's Arc Ring," Nature, 318:544, 1985.) Comment. The theories employing "shepherd" moons to gravitationally mold and maintain planetary rings have been weakened by the apparent ...
Terms matched: 1 - Score: 32 - 15 May 2017 - URL: /sf044/sf044p03.htm
