250 results found.
... 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 Something big down there!Off Bermuda, while working large traps at depths between 1,000 and 2,000 fathoms, fishermen proclaim that some huge sea creature has been breaking heavy lines and towing fishing boats about. Some of these deep-sea traps measure 6 x 6 x 3 feet and are used to catch large shrimp (about 1 foot long) and crabs (2 feet, claw to claw). Something down there grabs these traps and refuses to let go. A giant octopus is believed to be the culprit. (Anonymous; "Giant Octopus Blamed for Deep Sea Fishing Disruptions," ISC Newsletter, 4:1 , Autumn 1986. ISC = International Society for Cryptozoology.) From Science Frontiers #47, SEP-OCT 1986 . 1986-2000 William R. Corliss ...
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... Issues This Issue Sourcebook Project Sourcebook Subjects Eastern Quakes May Be Lubricated By Heavy Rainfalls Some of our continent's most powerful earthquakes have shaken the eastern half rather than the Pacific states, where the edges of tectonic plates grind together. The devastating New Madrid and Charleston quakes did not occur at plate boundaries, and it is hard to find active faults to blame for the crustal commotion. A hint of a possible solution to the dilemma comes with the correlation of earthquakes with heavy rainfalls and high water tables. For example, the Charleston quake of 1886 was preceded by two years of unusually heavy rainfall followed by a short dry spell. Also, seismicity in the New Madrid (MO) area increases 6-9 months after the Mississippi has crested. The theory is that the added water penetrates deep into the earth where it lubricates faults, causing them to become active and jolt the surface above. (Weisburd, S.; "Trickle-Down Theory of Eastern Quakes," Science News, 129:165, 1986.) Comment. The above correlations and our inability to explain deep-focus earthquakes underscore our ignorance of the mantle. To illustrate, Soviet drillers have found fluids circulating through fractured rocks 11 kilometers down, where one would expect every thing to be sealed tight by the weight of the overlying sediments. From Science Frontiers #45, MAY-JUN 1986 . 1986-2000 William R. Corliss ...
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... Nov-Dec 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Sand dunes 3 kilometers down Side-scan sonar systems are excellent for mapping the major geological features of the sea floor. Some of the scenery revealed by this sonar challenges conventional geological wisdom. To illustrate, the British ship Farnella has been mapping the floor of the Gulf of Mexico with its GLORIA II side-scan sonar. Hundreds of new salt domes, submarine channels, and landslides have been recorded. A big surprise was the discovery of large fields of sand dunes in 3000 meters of water. Similar dune fields were found in the Pacific in 1984. G. Hill, of the U.S . Geological Survey has ventured, "There's something going on in deep water that people just aren't aware of. " (" A Systematic Sounding of the Sea Floor, " Science News, 128:191, 1985.) (At issue here is how sand dunes are formed in such deep water. Are they the consequence of colossal bottom currents, perhaps set in motion by huge earthquakes of some other natural catastrophe ? Is it possible (gasp!) that the dunes were not formed under water at all ? The area involved also boasts salt layers and submarine channels and canyons, both of which are not well-explained. WRC) From Science Frontiers #42, NOV-DEC 1985 . 1985-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 49: Jan-Feb 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Moho Vicissitudes For a long time the Moho (Mohorovicic discontinuity) has been considered a stable plane dividing the crust from the mantle. It is at the Moho that seismic wave velocities change abruptly. There is something there, but no one knows just what. At the recent Second International Symposium on Deep Seismic Reflection Profiling of the Continental Lithosphere, a lot of doubts about the stability and character of the Moho surfaced. Under the North American Cordillera, which runs from Alaska to Mexico, the Moho is flat, continuous and oblivious to the faults, terrane plastering, mountain "roots," and the geological phenomena above it. In other areas, though, several Mohos are stacked up. Some Mohos are discontinuous, jumping from one depth to another. Others are strongly influenced by overhead geological structures. Gone is the neat, so simple Moho figured in all the textbooks. (Barton, Penny; "Deep Reflections on the Moho," Nature, 323:392, 1986. Also: Weisburd, S.; "The Moho Is Immutable No More," Science News, 130:326, 1986.) From Science Frontiers #49, JAN-FEB 1987 . 1987-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 40: Jul-Aug 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Messengers of a "new physics"In a "garage" off the road tunnel running deep under Mont Blanc sits a huge particle detector called Nusex. A second, complementary experiment resides 600 meters below the surface in a Minnesota mine. Both experiments are tuned to measure charged particles of very high energy, especially muons, which penetrate their high rocky ceilings with ease. These two arrays of buried detectors have both picked up fluxes of muons coming from the direction of Cygnus X-3 Now Cygnus X-3 is already classed as a remarkable object because it spews out pulses of X-rays and gamma-rays. It turns out that the muon fluxes arrive in phase with the pulses of gamma-rays and X-rays, and are thus definitely linked to Cygnus X-3 . The problem here is that muons are electrically charged particles that would assuredly be thrown far off course by intergalactic magnetic fields if they originated at Cygnus X-3 . The muons, therefore, must be created by electrically neutral particles arriving at the earth's atmosphere from Cygnus X-3 . Neutrons can be ruled out because they would decay in transit. X-ray photons and neutrinos have also been ruled out. The only alternative left seems to be some unknown neutral particle generated at Cygnus X-3 . Cygnus X-3may be a huge particle accelerator which "may operate in a realm of physics inaccessible on Earth, ...
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... Science Frontiers ONLINE No. 40: Jul-Aug 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Mnemonism not so easy!" This paper reports a systematic study of a man (T .E .) with astonishing mnemonic skills. After a brief description of his most favoured mnemonic technique, the 'figure alphabet,' his performance and the mnemonic techniques used on five classical memory tasks are described. These are: one task involving both short- and long-term memory (the Atkinson-Shiffrin 'keeping track' task), two tasks involving just longterm memory (recall of number matrices and the effects of imagery and deep structure complexity upon recall), and two tasks involving just short-term retention of individual verbal items and digit span. Whenever possible, T.E .' s performance was compared with that of normal subjects, and also with other mnemonists who have been studied in the past. There was no evidence to suggest that T.E . has any unusual basic memory abilities; rather he employs mnemonic techniques to aid memory, and the evidence suggests that previous mnemonists who have been studied by psychologists have used very similar techniques." The "figure alphabet" employed by T.E . was used in Europe as early as the mid-1700s. The Hindus had a Sanskrit version even earlier. Basically, each digit is represented by a consonant sound or sounds: 1 2 3 4 5 6 7 8 9 0 T N M R L J K F P Z D Ng G ...
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... Science Frontiers ONLINE No. 43: Jan-Feb 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Exploring The Suberranean World Of Life Examining fluid inclusions in hydrothermal quartz crystals obtained from a drill hole in Yellowstone National Park, K.E . Bargar and his colleagues from the U.S . Geological Survey noted many rodlike and threadlike particles that closely resembled bacteria. Although these partiles move, as if alive, they are only in Brownian motion. But even in death, they tell us that life forms can prosper deep underground at very high pressures and temperatures. The crystals that ultimately grew around the fluid particles came from fractures in Pleistocene rhyolite hundreds of feet below the surface. The authors concluded: "Thermophilic microorganisms may hold the key to an understanding of several biological and geochemical processes, including the origin of life. The discovery of possible microorganisms in these fluid inclusions from the Yellowstone volcanic area enlarges the range of potential environments over which subsequent investigations should be conducted." (Barger, Keith E., et al; "Particles in Fluid Inclusions from Yellowstone National Park -- Bacteria?" Geology, 13:483, 1985.) Comment. It is appropriate to note that similar "organized elements" have been noticed in meteorites for over a century. From Science Frontiers #43, JAN-FEB 1986 . 1986-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 43: Jan-Feb 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Life Seeks Out Energy Sources Wherever They May Be Life is opportunistic; it siphons off energy wherever it can find it. That life utilizes solar energy we all know. And, of course, humans have tapped the atom for energy. In just the past few years, remarkable colonies of life forms have been discovered congregated around deep-sea hydrothermal vents where sunlight is essentially nonexistent. Still more recently, similar life forms have been found clustered around oil seeps in the Gulf of Mexico. As at the hydro-thermal vents, the clams, worms, crabs, and other organisms depend mainly upon the ability of bacteria to chemosynthesize -- the primary energy source being hydrogen sulfide in the vented water. (Paull, C.K ., et al; "Stable Isotope Evidence for Chemosynthesis in an Abyssal Seep Community," Nature, 317:709, 1985; Also: Weisburd, S.; "Clams and Worms Fueled by Gas?" Science News, 128:231, 1985.) Comment. Since the earth's crust seems honeycombed with fissures and rivers of life-sustaining fluids, subterranean life may be as common as the abyssal chemosynthetic life at the vents and seeps. This versatility of life signals us that we should look for life wherever there is energy of any kind. From Science Frontiers #43, JAN-FEB 1986 . 1986-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 45: May-Jun 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Bats may have invented flight twice (at least!)Bats are divided into megas and micros. The "megabats," represented by the fruit bats, possess an "advanced" connection between their eyes and midbrains. No other mammals except the primates possess this type of advanced visual organization. In contrast, the "microbats," the common echo-locating insect-eaters have a "primitive" eyebrain connection. This deep division in the bat family -- mega/micro, vegetarian/carnivorous, sight-dependent/echolocating -- suggests that mammal flight has developed at least twice. (Pettigrew, John D.; "Flying Primates? Megabats Have the Advanced Pathway from Eye to Midbrain," Science, 231: 1304, 1986.) Reference. The problems of bat evolution can be found at BME1 in our catalog Biological Anomalies: Mammals II. Ordering information here . From Science Frontiers #45, MAY-JUN 1986 . 1986-2000 William R. Corliss ...
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... "RNA and Hot-Water Springs," Nature, 322:206, 1986.) It just so happens that D.W . Deamer, University of California, Davis, has now found that the 4.5 -billion-year-old Murchison meteorite from Australia contains lipid-like organic chemicals that can self-assemble into membrane-like films. His paper was presented before the International Society for the Study of Origins of Life. (Raloff, J.; "Clues to Life's Cellular Origins," Science News, 130:71, 1986.) Comment. Strange that the earth should be "tailor-made" for biochemical operations and that outer space teems with meteorites transporting other ingredients of life-synthesis. That the earth's crust and deep soil are conducive to life is apparent in recent work done sponsored by DuPont and the Department of Energy. This effort has found that life is abundant at least 850 feet below the surface -- a realm hardly suspected to harbor life. "' There is life down there, and it is very diverse,' says Carl Fliermans of Dupont's Savannah River Laboratory in Aiken, S.C . The numbers are high enough to affect the chemistry of the environment: Some of the samples contained as many as 10 million organisms per gram of soil. But even more surprising than the high concentrations is the diversity of the microorganisms, according to David Balkwill of Florida State University in Tallahassee. Many varieties of bacteria and fungi have been seen, and there have been indications of amoeba ...
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... impact and this I am sure saved us from even more serious damage." "The wave was higher than our foremost track -- 85 ft above the water. As this wave approached from a direction 90 degrees different from the normal sea and wind, which had been northerly for a few days previously, I put its existence down to a submarine earthquake in the mid-Atlantic ridge. Certainly it appeared so much different from the normal wind-generated sea, of which I have seen thousands. There was no crest, nor white streaks, a nearly vertical front and quite fast approach." (Cameron, T. Wilson; "Treachery of Freak Wave," Marine Observer, 55:202, 1985.) Comment. Earthquake generated waves or tsunamis are hardly noticeable in deep water. Only when they approach shallow water and the shore do they crest dangerously. Reference. Giant solitary waves are covered in category GHW1 in our catalog: Earthquakes, Tides. Ordering information at: here . From Science Frontiers #48, NOV-DEC 1986 . 1986-2000 William R. Corliss ...
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... No. 50: Mar-Apr 1987 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Strange Patterns In Another Oceanic Habitat The sea-floor vents and their unique assemblages of animals are just beginning to be explored. "Perhaps the most intriguing biological mystery in the vent area, however, was the finding of thousands of highly symmetric, Chinese-checkerboard-like patterns on the seafloor, which were first photographed several years ago. [P .] Rona thinks the patterns may be either an animal itself or the burrows made by an animal. He says the patterns are 'dead ringers for a 70million-year-old...trace fossil that is exposed in the Alps." (Weisburd, Stefi; "Hydrothermal Discoveries from the Deep," Science News, 130:389, 1986.) Thousands of such checkerboard patterns have been spotted on the seafloors. From Science Frontiers #50, MAR-APR 1987 . 1987-2000 William R. Corliss ...
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... via thermal effects. "Specifically, entire atoms can tunnel through barriers represented by the repulsive forces of other atoms and form complex molecules even though the atoms do not have the energy required by classical chemistry to overcome the repulsion." Of course, the reaction rates are slow, but the size of the cosmic pond is vastly greater than any terrestrial puddle. The above quotation is from V.I . Goldanskii who, even before Hoyle, suggested a cold prehistory of life, during which complex organic molecules were synthesized at just a few degrees above absolute zero. His article dwells primarily on the physics of the tunnelling phenomenon, which is well verified in the laboratory, but he does not shrink from the biological implications. (Goldanskii, Vitalii I.; "Quantum Chemical Reactions in the Deep Cold," Scientific American, 254:46, February 1986.) Comment. In the first few paragraphs you can almost hear the theme music from the movie 2001. Evolutionists sometimes get carried away in inventing protobirds. This specimin was developing feathers on its forelimbs to help catch insects. The illustration comes from Evolution: A Theory in Crisis, by M. Denton. It is published in England, and we are trying to get copies. From Science Frontiers #44, MAR-APR 1986 . 1986-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 45: May-Jun 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Martian Great Lakes P. Lowell hasn't been vindicated by the discovery of sedimentary formations on Mars, but his spirit must be pleased. Lowell's geometrical network of artificial canals have been superceded by great arroyos, flood-created deposits, and now evidence that Mars was once host to ice-covered lakes up to 3 miles deep and as large as Lake Superior. Photos from the Viking spacecraft reveal sedimentary layers up to 250 feet thick that seem to have been laid down by liquid water. The source of the sediments and mode of deposition are unknown. (Anonymous; "Great Lakes on Mars," Science 86, 7:13, April 1986.) Comment. The scientists reporting these findings, S. Squyres and S. Nedell, called attention to this type of Martian stratigraphy in Valles Marineris back in 1984. See SF#37. Reference. Martain layered deposits are cataloged at AME19 in the catalog The Moon and the Planets. To order, visit: here . Viking photo of probable sedimentary strata along the side of a Martian ridge. From Science Frontiers #45, MAY-JUN 1986 . 1986-2000 William R. Corliss ...
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... the van's occupants collapsed. The others ran for their lives toward Njindom. By 10:30 AM authorities had found 37 bodies along a 200meter stretch of road by the lake. Blood was oozing from the noses and mouths; the bodies were rigid; first-degree chemical burns were present. Also, animals and plants along the shore had been killed. On August 17, the lake turned reddish brown, indicating that it had been stirred up somehow. Although Lake Monoun is in a volcanic crater, chemical analysis of the water found little of the sulphur and halogens normally associated with volcanic action. However, the analysis did find a tremendously high level of bicarbonate ions, which form from the dissociation of carbon dioxide. One theory is that an earthquake disturbed the carbonate-rich deep water of the lake, which as it rose to the surface and lower pressures, released huge volumes of carbon dioxide -- something like opening a soda bottle. The resulting wave of water and cloud of gas caused the deaths and devastation. If there had been some nitric acid in the cloud, the burns could be accounted for. (Weisburd, S.; "The 'Killer Lake' of Cameroon," Science News, 128:356, 1985.) Comment. The article states that this event is unique, but in our Catalogs similar phenomena are reported. For example, Lake Bosumtwi, Ghana, "explodes" at irregular intervals, changing color, killing fish, and releasing gases (GSD2-X17). We also have the sudden whitening of the Dead ...
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... Science Frontiers ONLINE No. 45: May-Jun 1986 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Gulper Eel And Its Knotty Problem Occasionally brought up from great depths in nets, the gulper eel consists mainly of a huge mouth followed by a large bag of skin and, finally, a very long thin tail. The eel, often 6 feet long, can swallow prey as large or larger than itself. Such features are not particularly rare in deep-sea-creatures, but we do have to briefly describe this grotesque fish to get a delightful anomaly. It seems that in a few recovered specimens, the thin tail is tied in several overhand knots! Now moray eels can knot themselves, but the gulper eel is just a floating stomach with negligible musculature in its whiplike tail. So, just how did the knots get there? (de Sylva, Donald P.; "The Gulper Eel and Its Knotty Problem," Sea Frontiers, 32:104, March-April 1986.) Comment. We cannot resist mentioning the occasional discovery of groups of rats all tied together by their tails. Called "rat kings," these hapless snarls of rodents are usually dismissed as pranks or outright prevarication. How-ever, in recent years, respected naturalists have found "squirrel kings" in the wild. Gulper eels are not the only animals with knotty problems. From Science Frontiers #45, MAY-JUN 1986 . 1986-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 35: Sep-Oct 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Confusing Seismic Data From The Deep Continental Crust Seismic exploration of the deep continental crust seems to indicate that huge sheets of crystalline rock have been pushed over sedimentary strata. The crystalline sheets, perhaps kilometers in thickness, were forcibly shoved hundreds of kilometers over sedimentary deposits during continental collisions -- so the theory goes. One such crystalline sheet is under the Southern Appalachians. Seismic data say it is about 10 kilometers thick and was pushed westward some 225 kilometers. If it seems intuitively impossible for such a thin sheet to remain intact during 225kilometers of shoving over other rocks, consider a similar sheet in the Basin and Range province of Utah. This sheet was pulled down an inclined fault without coming apart! These sliding sheets with remarkable structural integrities are required to explain what geophysicists see in the seismic reflections; namely, transparent zones of crystalline rock sitting on top of rocks that return strong reflections typical of layered sedimentary strata. However, one such situation in Arizona was explored with a drill bit. When the upper crystalline layer was penetrated, the drill found only more crystalline rocks, nothing sedimentary. In fact, the crystalline rock was not layered and was homogeneous. Thus, the source of the misleading seismic reflections is unknown. (Kerr, Richard A.; "Continental Drilling Heading Deeper," Science, 224:1418, 1984. Also: Anonymous; "Probing the Deep Con-tinental Crust," Science, 225: ...
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... ONLINE No. 37: Jan-Feb 1985 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Recent Pulsations Of Life At a recent meeting of scientists at the Lamont-Doherty Geological Observatory, E. Vrba, of the Transvaal Museum, in Pretoria, stated: "If we eventually are able to establish a good time resolution with the continental record, I expect to be able to discern synchronous pulses of evolution that involve many groups of fauna and flora. Many different lineages in the biota will respond by synchronous waves of speciation and extinction to global temperature extremes and attendant environmental changes. This is my starting hypothesis." Vrba was speaking mainly about the last 25 million years, a mere flash in geological time. For this brief period, the Deep Sea Drilling Program has provided geologists with a detailed and continuous record of climate changes as they were recorded in deep-sea sediments. By contrast, the faunal history of the continents is rather fragmentary, making it rather difficult to match up pulsations of climate with pulsations of life. Even so, scientists have found rather strong correlations between climatary change and biological speciation and extinction at 15, 5, and 2.4 million years ago. (Lewin, Roger; "The Paleoclimatic Magic Numbers Game," Science, 226:154, 1984.) Comment. Note that this is just the period our ancestors seemed to be evolving rapidly. Also interesting is the general agreement between Vrba's statement about the driving forces behind evolution and McClintock's conclusion quoted earlier under BIOLOGY. ...
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... Science Frontiers ONLINE No. 29: Sep-Oct 1993 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Life beyond 100 c Bacteria can survive and multiply in hot springs near and slightly above 100 C -- the boiling point of water at atmospheric pressure. Few scientists have contemplated the possibility of life forms prospering at temperatures well beyond 100 . Recently, however, the discovery of many new and frequently bizarre organisms clustered around deep-sea vents has forced a reexamination of high-temperature life. It seems that bacteria actually flourish in the 350 C water streams from the deep-sea vents. In the lab, these same bacteria multiply rapidly in water at 250 C kept liquid by pressures of 265 atmospheres of pressure. What a surprise! Quoting a concluding sentence from this article: "This greatly increases the number of environments and conditions both on Earth and elsewhere in the Universe where life can exist." (Baross, John A., and Deming, Jody W.; "Growth of 'Black Smoker' Bacteria at Temperatures of at Least 250 C," Nature, 303:423, 1983.) Comment. Ignoring for the moment the extraterrestrial possibilities, the earth is riddled like a Swiss cheese with hot, fluid environments, which we may now consider potential abodes of life. Subterranean life represents a new biological frontier. Who knows what kinds of organisms have developed to feed upon the planet's heat? Could they have con-tributed to our supplies of petroleum and natural gas? From Science Frontiers # ...
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... 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 Life In The Dark Two most interesting discovery have been made recently in deep ocean waters. First, abundant plant life has been found at depths of up to 268 meters, well beyond the 200-meter limit biologists had set based on the availability of sunlight. It wasn't difficult to discount photosynthetic life at 268 meters, because light there is only 0.0005% that at the surface. But there it was; and it may be found even deeper now that we've taken off the blinders. (Littler, Mark M., et al; "Deepest Known Planet Life Discovered on an Uncharted Seamount," Science, 227:57, 1985.) The second discovery came at 10,000 feet in the Gulf of Mexico. There, scientists in the submersible Alvin found a well-developed community of large clams, crabs, mussels, and tube worms, which closely resembles those around the Pacific hydrothermal vents. These life colonies do not use sunlight at all, nor do they depend on other life forms based on solar energy. They employ chemosynthesis, and the hydrogen sulfide and other substances in the vented waters replace sunlight. Although there are no obvious vents at the Gulf of Mexico site, the waters there contain plenty of hydrogen sulfide, indicating seepage from somewhere. The life forms are all new to science, although they resemble those in the Pacific. (Anonymous; "Worms without ...
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... 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. But what stopped and restarted the magnetic reversals and other concurrent processes? Strangely enough, the quiet, anoxic periods do not seem to coincide with biological extinctions! From Science Frontiers #32, MAR-APR 1984 . 1984-2000 William R. Corliss ...
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... 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 Grand Canyon Shamed Again Exploration and mapping of submarine canyons cut into the continental shelves of Alaska and Siberia emphasize once again the colossal scale of these crustal gashes: "Erosion of some of the largest known submarine canyons has removed more than 20,000 km3 of former subduction margin between the Aleutian Islands and Cape Navarin, U.S .S .R . The canyons are incised as deeply as 2,400 m into Tertiary sedimentary and igneous rocks that make up the margin and attendant deep sedimentary basins along the outer Bering shelf. Cutting of the seven major canyons probably occurred during low stands of sea level when the Bering shelf was exposed to a depth of about -135 m, which allowed the ancestral Anadyr, Yukon, and Kuskokwim Rivers to carry large volumes of sediment to the outer shelf. Although their positions appear to be structurally influenced, the canyons apparently were cut by combinations of massive slumping and sliding of sediment deposited near the shelf edge and of scouring action of the resulting turbidity currents that carried debris to the abyssal sea floor, where deep-sea fans have formed." (Carlson, Paul R., and Karl, Herman A.; "Ancient and Modern Processes in Gigantic Submarine Canyons, Bering Sea," Eos, 64:1052, 1983.) Comment. The authors believe that submarine slumping and turbidity currents were sufficient to have eroded these huge canyons. Other geologists doubt this. The other ...
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... Science Frontiers ONLINE No. 28: Jul-Aug 1983 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Hope for atlantis?" That huge vertical movements in the crust occur is not in question. One could cite the deep sea oozes resting on coals of Tertiary Age in Barbados, for example. The coals represent a shallow water, tropical environment which sank to over 4-5 km depth for the deposition of the ooze and was then raised again, all in a very short period." (James, Peter M.; "A New Model for Crustal Deformation," Open Earth, no. 17, 1982.) From Science Frontiers #28, JUL-AUG 1983 . 1983-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 35: Sep-Oct 1984 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects An Extraordinary Peat Formation Most of Beauchene Island, in the Falklands, is covered with a tussock-forming grass. During the past 12,500 years, a deep accumulation of exceptionally dense peat has formed. The basal peat is lignitic, but is several hundred times too young to be a true lignite. This peat does not decay as rapidly as it should, given its populations of bacteria, yeasts, and other fungi. The peat accumulates about ten times faster than in other peat-forming regions. The authors conclude that the peat-forming process is poorly understood. (Smith, R.I . Lewis, and Clymo, R.S .; "An Extraordinary Peat-Forming Community on the Falkland Islands," Nature, 309:617, 1984.) Comment. If we do not understand how present-day peat forms, how can we be so dogmatic about coal-forming processes millions of years ago? From Science Frontiers #35, SEP-OCT 1984 . 1984-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 30: Nov-Dec 1983 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Soil Temperatures Forecast Rainfall Patterns Dig a hole about 40 inches deep, take the soil temperature at that depth, and you can predict future wet and dry periods months ahead of time. To illustrate, warm spring soils are usually followed by rainy summers; cold soils precede dry summers most of the time. At first, American scientists doubted this Chinese discovery, but their re-search soon proved that the correlation is even stronger in the United States. The best explanation so far is that soil temperatures affect atmospheric convection and modify weather patterns locally. (Anonymous; "Digging for a Forecast," Science Digest, 91:30, September 1983.) From Science Frontiers #30, NOV-DEC 1983 . 1983-2000 William R. Corliss ...
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... level aurora?June 10, 1982. Near Sturgis, Michigan. About 3:00 A.M ., two young women were driving in a semi-rural area. Fog made visibility poor. It began to rain -- a brown jelly-like slime that smeared the windshield. A rotten-egg odor pervaded the area. The car engine stopped, and the two began to walk to find assistance. After 50 yards, they encountered millions of small rays of "lightning" flashing everywhere. They were 2-3 feet long and reached high into the sky. Looking back toward the car, they saw a reddish fluorescent glow with streams of light coming down from the sky to the glowing region. Grass and weeds along the roadside were standing straight up and glowing. Deep-red lines of light were seen dancing on the road. They returned to the car, and it felt hot to the touch! Soon, clouds moved in and the display was over. The authors of this article personally investigated this event within a few days of its occurrence. They found the two witnesses obviously very shaken, but believe that the accounts are fresh and unadulterated. Also pertinent is the fact that a large solar flare had just occurred, and intense auroral displays had been predicted. Also, the two women were apparently the only witnesses of this phenomenon. (Swords, Michael D., and Curtis, Edward G.; "Atmospheric Light Show," Pursuit, 16:116, 1983.) Comment. The article also contains the authors' analysis in ...
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... 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 Ancient Engineering Feat Current excavations at Shringaverapura, in Uttar Pradesh, have brought to light a huge, well-preserved water tank about 800 feet long. At its widest point, the tank is about 60 feet wide and 12 feet deep. The entire complex in brick-lined and includes a large settling tank for water diverted from the River Ganga. During the dry season, additional water was supplied from a series of dug wells. This immense system of channels, walls, access stairways, etc. is about 2,000 years old. (Lal, B.B .; "A 2,000-Year-Old Feat of Hydraulic Engineering in India," Archaeology, 38:48, January/February 1985.) From Science Frontiers #38, MAR-APR 1985 . 1985-2000 William R. Corliss ...
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... 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 Earth's magnetic field jerks "It now seems almost certain that around 1969 a spectacular change took place in the geomagnetic field. The change was almost synchronous over the whole of the Earth's surface, took place in less than two years, and is now known to have consisted of a 'jerk': a step change in secular acceleration of the magnetic field that has its origin inside the Earth." (Whaler, K.A .; "Geomagnetic Impulses and Deep Mantle Conductivity," Nature, 306:117, 1983.) Comment. No one really knows just how a "jerk" in the magnetic field is initiated; in fact, the origin of the geomagnetic field as a whole is not well-understood. From Science Frontiers #32, MAR-APR 1984 . 1984-2000 William R. Corliss ...
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... 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 Our aquatic phase!Elaine Morgan, author of The Aquatic Ape, reviews new evidence supporting the Aquatic Ape Hypothesis. Sir Alister Hardy suggested this hypothesis in 1960 in an attempt to account for several human characteristics that are unique among primates but common in aquatic mammals. Some of these are: position of fetal hair, loss of body hair, subcutaneous fat, face-to-face copulation, weeping, etc. The combination of hairlessness and subcutaneous fat seems almost totally confined to aquatic mammals and humans. Two other characteristics are covered in some depth in this article: The discovery that some prehistoric shell middens consist of deep-water shellfish, which must be the result of breath-held diving. This human skill, again unique among primates, is obviously quite ancient. Furthermore, recent experiments suggest that in humans, in addition to seals and ducks, vascular constriction is not limited to the arterioles but extends to the larger arteries, too. This indicates some degree of specialized adaptation to a diving life. Most animals with a sodium deficiency display an active craving for salt which, when satisfied, disappears. In humans, salt intake has little or no relation to the body's needs. Some Inuit tribes avoid salt almost completely, while people in the Western world consume 1520 times the amount needed for health. In other works, a single African species (assuming humans have an African origin) possesses a wildly different ...
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... 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 Maybe there's one stable particle!The new Grand Unified Theories (GUTs) of physics predict that the proton decays radioactively -- contrary to what you may have been taught in physics class. Several experiments in deep mines and tunnels seem to have registered proton decays. Is nothing stable anymore? There is hope. A huge cubical detector, 21 meters on a side, is now operating 2000 feet under Lake Erie in a salt mine. The water-filled cube is monitored by 2048 photomultipler tubes, and is serviced by divers! After 80 days of operation, no events resembling proton decays have been detected, whereas many would have been expected if the other reports were true. The GUTs may be in trouble; and there may be something stable in the universe that we can count on! (Thomsen, D.E .; "Decay-Resistant Protons in Ohio," Science News, 123:85, 1983.) Comment. See SF#14 for some of the strange particles detected in the Kolar Gold Fields, in India, where some of the supposed proton decays were reported. From Science Frontiers #26, MAR-APR 1983 . 1983-2000 William R. Corliss ...
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... 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 Electromagnetic Noise Prior To Earthquakes March 31, 1980. Tokyo, Japan. Anomalously high electromagnetic noise was recorded during a 30-minute period preceding a magnitude 7 quake, 250 km away and 480 km deep. The emissions were detected between 10 and 1500 Hz and around 81 kHz. July 24-28, 1976. Tangshan, China. For 3-5 days before the Tangshan earthquake, unusual radio interference was experienced within 250 km of Tangshan. Several similar cases are also on record, including one in which the radio noise coincided with the appearance of earthquake lights. No generally accepted physical mechanism for producing these electromagnetic emissions has been found. (King, Chi-Yu; "Electromagnetic Emissions before Earthquakes," Nature, 301:377, 1983.) From Science Frontiers #27, MAY-JUN 1983 . 1983-2000 William R. Corliss ...
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... 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 The Carbon Problem The "carbon problem" seems to hit the scientific creationists the hardest, but it also has interesting implications for today's earth. Consider first where the carbon in the earth's crust resides: Petroleum 201 x 1018 grams Coal 15 Limestone 64200 Biosphere 0.3 In this article, these figures are made more understandable by physical descriptions of some of the truly colossal deposits of oil, coal, and limestone. For example, in the Canadian Rockies, the Livingstone limestone was deposited 2000 feet deep on the margin of the Cordilleran geosyncline but thins eastward to about 1000 feet in the Front ranges. ". .. it may be calculated to represent at least 10,000 cubic miles of broken crinoid plates." Two implications are: Even if the earth's biosphere were completely converted into oil, coal, and limestone each year, the earth would have to be far older than the 6000 years desired by the creationists, unless most of the carbon deposits had non-biological origins, which seems unlikely. The immense inventory of carbon tied up in biologically produced deposits was originally abiogenic. Where did it come from? Abiogenic methane and carbon dioxide released from the crust seem the most likely sources. This means that the crust must have once had, and may still have, prodigious supplies of methane. T. Gold and S. Soter have long argued that the earth's crust still ...
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... oak genome to reprogram itself and construct a wholly new and unplanned plant structure to house and feed the developing insect. Some of these structures (galls) are very elaborate and are precisely tailored to each different wasp species. From such examples, it is apparent that the genome of an organism somehow perceives stresses and reacts to them -- often in completely unanticipated ways. The stresses may be mechanical, thermal, chemical; in fact, almost anything. McClintock's conclusion is: ". .. that stress, and the genome's reaction to it may underlie many formations of new species." (McClintock, Barbara; "The Significance of Responses of the Genome to Challenge," Science, 226:792, 1984.) Comment. The implications here are broad and deep. Evolution can be driven by external stresses. The new species thus produced may differ substantially from the original organism, eliminating the need to look for "missing links" in the fossil record. What "hope-ful monsters" are latent in our human genome, awaiting only the right stresses to manifest themselves? And is the genomes's malleability reversible; that is, can extinct species be recovered when the engendering stresses are removed? From Science Frontiers #37, JAN-FEB 1985 . 1985-2000 William R. Corliss ...
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... spheres or oblate spheroids in which gas molecules are enclosed. They are not true compounds, but rather clathrates or inclusion compounds. They often form in huge masses in ocean-bottom sediments and, if disturbed by slumping or some other stimulus, can release immense quantities of gas bubbles. These gases rise to the surface, subdivided en route, and reach the surface as a huge upwelling of frothy, low-density fluid. A ship cannot float in such low-density fluids. If a large plume rose above the sea's surface, aircraft passing through it would lose engine power. Quoting the final paragraph: "Intermittent natural gas blowouts from hydrate-associated gas accumulations, therefore, might explain some of the many mysterious disappearances of ships and planes -- particularly in areas where deep-sea sediments contain large amounts of gas in the form of hydrate. This may be the circumstance off the southeast coast of the United States, an area noted for numerous disappearances of ships and aircraft." (McIver, Richard D.; "Role of Naturally Occurring Gas Hydrates in Sediment Transport," American Association of Petroleum Geologists, Bulletin, 66:789, 1982.) From Science Frontiers #25, JAN-FEB 1983 . 1983-2000 William R. Corliss ...
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... identifiable pre-cursors in the rock, ". .. how did the surrounding rocks crystalize rapidly enough so that there were crystals available ready to be imprinted with radiohalos by alpha-particles from Po218 ? This would imply almost instantaneous cooling and crystallization of these granitic minerals -- and we know of no mechanism that will remove heat so rapidly; the rocks are supposed to have cooled over millennia, if not tens of millennia." In coalified wood dated as older than 200 million years, the ratio between U238 and Pb206 should be low. It is actually very high. "Thus ages of the entire stratigraphic column may contain epochs less than 0.001% the duration of those now accepted and found in the literature." Diffusion calculations insist that Pb in zircon crystals found in deep granite cores at 313 C should diffuse out of the crystals at the rate of 1% in 300,000 years. No loss of Pb can be detected at all. Therefore, the granite must be younger than 300,000 years. (Gentry, Robert V.; "Creationism Discussion Continued," Physics Today, 35: 13, October 1982.) Comment. Scientists admit that Gentry's work raises questions but apparently would rather live with the anomalies than with the thought of a young earth! From Science Frontiers #25, JAN-FEB 1983 . 1983-2000 William R. Corliss ...
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... 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 Nature's ballistic missile Abstract: "The parasitic fungus Haptoglossa mirabilis infects the rotifer host by means of a gun-shaped attack cell. The anterior end of the cell is elongated to form a barrel; the wall at the mouth is invaginated deep into the cell to form a bore. A walled chamber at the base of the bore houses a complex, missile-like attack apparatus. The projectile is fired from the gun cell at high speed to accomplish initial penetration of the host." (Robb, E. Jane, and Barron, G.L .; "Nature's Ballistic Missile," Science, 218:1221, 1982.) From Science Frontiers #26, MAR-APR 1983 . 1983-2000 William R. Corliss ...
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... and such famous scientists and mathematicians as Euler, Gauss, and A.C . Aitken. The latter ". .. had the uncanny power of mentally computing, to a long string of decimals, the values of e and e163 When asked (by his children) to multiply 987...1 by 123...9 , he remarked afterwards: 'I saw in a flash that 987...1 multiplied by 81 equals 80 000 000 001, and so I multiplied 123...9 by this, a simple matter, and divided the answer by 81.'" But what, asks Smith, led Aitken to 81? To this question, which is the heart of the mystery, he commendably admits he has no reply. And the same deep mystery confronts us even after all has been said about the sur, as distinct from the underlying, structure of the processing. At the unlettered end of the spectrum of mental calculators, the ". .. ignorant vagabond, Henri Mondeux, who at the age of 14 years, before the French Academy of Sciences, was able promptly to state two squares differing by 133." Of course, some mental feats of calculation can be done consciously employing various shortcuts and mathematical tricks. The really fantastic performances, however, are accomplished unconsciously. No one knows how, even the calculators themselves. (Cohen, John; "What Makes a Calculating Prodigy?" New Scientist, 100:819, 1983.) From Science Frontiers #32, MAR-APR 1984 . 1984- ...
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... 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 ...
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... Asteroids In an apparent reaction to the stampede to climb aboard the extinction-by-asteroid bandwagon, dissenting papers have begun to appear in the scientific literature. For example, Van Valen's list of objections to the hypothesis of asteroid impact at the Cretaceous-Tertiary boundary was reproduced in the last issue of Science Frontiers. Now, in a recent issue of New Scientist, T. Hallam raises still more objections: Tropical plants, mammals, crocodiles, birds, and benthic invertebrates were little affected by whatever happened at the Cretaceous-Tertiary interface. Furthermore, many groups that were extinguished were already well into a decline. Some geologists insist that some of the supposedly synchronous extinctions were probably separated by several hundred thousand years; viz., plankton and dinosaurs. The vaunted iridium anomaly in deep-sea cores is spread through a considerable thickness of sediment. Even after allowing for the mixing of sediments, the iridium-rich layer is thousands of years thick. According to the asteroid scenario, the clay layer separating the Cretaceous from the Tertiary should represent the fallout from impact-raised dust, which would include asteroidal material and a mixed sample of earth rocks. However, in Denmark, the boundary is marked by the so-called Fish Clay, which is almost pure smectite -- a single mineral and not a mixture of terrestrial rock flour. If it wasn't an asteroid impact, why the iridium concentration? At least three hypotheses have been proposed to circumvent the asteroid debacle: (1 ) volcanic activity; (2 ) a concentration of micrometeorites, thousands of ...
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... . "Tenet 2. That the Earth contains a large central core composed of iron. "Tenet 3. That the continents are drifting as a result of unknown forces. "These must be held with religious fervour, dissenters are just not to be tolerated, the devotees feeling it their right, and indeed duty, to defend the creed against all criticism by any means of chicanery and of sharp-practice within their power, however crude and improper, so long as they judge they can get away with it, but all the time representing themselves to the world as acting with judicial calm in the best interests of their science. It will be shown that all three of these tenets are wrong, and how their (naive) acceptance has hamstrung the believers from making progress in the deep waters of terrestrial science, though not of course in the worldly world of 'modern science.' Shades of Sir Cyril Burt." So begins a long technical article by R.A . Lyttleton, author of many scientific books and papers. (He may lose his union card after this paper!) Lyttleton proceeds to demonstrate the incorrectness of the first two tenets above. Lyttleton's reasoning is buttressed by many scientific observations and so much quantitative reasoning that it is impossible to encapsulate it all here. Suffice it to say that it all looks correct, serious, and above-board. (Lyttleton, R.A .; "Geophysics: The Sick Man of Science," ISCDS Newsletter, 5:3 , December 1984.) Comment. Now this is interesting ...
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... 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 Two Remarkable Inscribed Stones The first stone is located in western Colorado on a remote canyon ledge, overlooking a broad valley with a stream. "The dolmen is four feet across the top and has three placed stones holding it above the ledge in a level position approximately six feet from the cliff face. The Ogam on top of the capstone is intermixed with cupule-like depressions ranging in size from 7 "- 9 " long, 3"-3 " wide and 1 "- 1 " deep in the center. The cupule-like depressions are very striking because of their uniformity, smoothness, and peculiar shape. The Ogam on the side of the capstone is abundant and occasionally connecting with lines on the top. The surface of the dolmen was obviously smoothed and prepared for the inscriptions. The actual age is unknown but the desert varnish on the Ogam, the depressions, and the smoothed surface is substantial." The Colorado inscribed dolmen in situ. The top is also inscribed. Barry Fell has translated the markings, which in his view are in Arabic Ogam, as: Top: God is strong. Strong to help his right hand. Front: The Koran is the unique achievement of the prophet pious and tender. (Morehouse, Judy; "A Colorado Dolmen Inscribed with Ogam," Epigraphic Society, Occasional Publications, 11:209, no. 269, 1983.) Comment. A photograph accompanying the ...
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... Indian civilization. This beautifully illustrated article touches on several of the precocious and puzzling features of the Hohokam Period, circa 0-1 ,400 AD. (1 ) The Hohokam apparently employed acid-etching to produce designs on shells. Acetic acid from fermented cactus juice was use to eat away portions of the shell not protected by tar. (2 ) Four-story Casa Grande, which seems to have been an astronomical observatory, required at least 600 big wooden beams, all of which had to be transported over 50 miles from sources in the mountains. (3 ) The Hohokam built an elaborate, well-engineered system of irrigation canals. (4 ) Unexplained are many flat-bottomed oval pits up to 182 feet long, 55 feet wide, and 13-18 feet deep. Some surmise they were ball courts. (5 ) Also puzzling are rectangular earthen mounds, 75 x 95 feet at the base and 12 feet high, with flat adobe-covered tops. (Adams, Daniel B.; "Last Ditch Archeology," Science 83, 4:28, December 1983.) Reference. The Hohokam canals and those built by other ancient peoples are presented in our Handbook Ancient Man. For details on this book, visit: here . Section through two Hohokum canals, showing original canal profile (bottom) and final profile after long use. Sedimentation eventually raised the canal bottoms above the original ground level. (Illustration from Ancient Man) From Science Frontiers #31, JAN-FEB 1984 . 1984-2000 William R. Corliss ...
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... 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 Eyes of deep-sea fish have spare parts The sunlight that filters down into the depths of the sea is exceedingly weak. It is so dark down there that one would expect deep-sea fish to be blind like many cave-dwelling animals. They are not blind; rather many have eyes of fantastic size and novel construction. An unusual feature of some deep-sea eyes is a layered retina. In the conger eel, five layers of photoreceptors are plastered on top of one another. Yet, experiments with conger eel eyes reveal that only one layer of photoreceptors is active at any one time. R. Shapley and J. Gordon, who carried out these experiments at the Plymouth Lab., surmise that the extra retinal layers are being held in reserve, much like the rows of spare teeth found in sharks' mouths. If so, deep-sea fish are the only animals that have evolved spare stores of visual pigments. (Anonymous; "The Mystery of the Non-Functioning Receptors," New Scientist, 88:366, 1980.) Comment. Why haven't cave-dwelling fish taken the same evolutionary route? From Science Frontiers #14, Winter 1981 . 1981-2000 William R. Corliss ...
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... 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 What's ok in the mediterranean is verboten in the atlantic and the pacific Geologists and geophysicists have now satisfied themselves that a few million years ago the Mediterranean dried up nearly completely. The Deep Sea Drilling Project discovered in 1970 and 1975 that layers of evaporites existed beneath the Mediterranean's floor. In addition, over 80 years ago, the bed of the Rhone River was found to consist of river sands and gravels superimposed upon hundreds of feet of oceanic sediments. Beneath these deposits -- some 3000 feet down -- was a gorge cut in granitic rock. Other rivers emptying into the Mediterranean had cut similar gorges into solid rock long ago. No one could provide an acceptable explanation for the deep-cut gorges until the evaporites proved that the water level had been low enough for the rivers to cut the gorges subaerially. In other words, the Mediterranean's level fell several thousand feet, allowing the rivers to erode gorges much as the Colorado does today in the Grand Canyon. (Smith, E.G . Walton; "When the Mediterranean Went Dry," Sea Frontiers, 28:66, 1982.) Comment. The Med's buried gorges are obviously close cousins of the many submarine canyons found around the world's continental shelves. Most geologists strongly resist any explanation of the submarine canyons involving subaerial erosion, because no one believes the oceans ever dropped thousands of feet. True, the ...
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... 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 ...
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... 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 ...
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... Science Frontiers ONLINE No. 23: Sep-Oct 1982 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Remarkable Engineering Design In Nature Two unusual examples of inspired design in nature have been described recently: (1 ) The swordfish possesses special tissues rich in mitochrondria and cytochrome-c that generate heat for the animal's eye and brain. Not only do these heating elements keep the swordfish eye and brain significantly warmer than the surrounding water but they also keep these organs warm and thus more effective during deep dives into the cold ocean depths. (Carey, Francis G.; "A Brain Heater in the Swordfish," Science, 216:1327, 1982.) (2 ) Plants, it seems, developed light pipes long before humans. Certain plant tissues (etiolated or dark-grown) act as multiple bundles of optical fibers and coherently transfer light over distances of at least 2 cm. Optical tests show that these natural light pipes are much more effective transmitters of light than media that simply scatter light. This unsuspected sophistication of Nature's design may require significant revisions in photobiology, which did not allow for such ingenuity. (Smith , Harry; "Light-Piping by Plant Tissues," Nature, 298:423, 1982.) Comment. Since some plants are known to emit light, we would not be surprised, the way things are going, to learn of natural plant lasers! From Science Frontiers #23, SEP-OCT 1982 . 1982-2000 William R. Corliss ...
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... 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 A PREHISTORIC TVA?The Hohokam Indians lived along the Salt River Valley, in Arizona, about 300 BC to 1450 AD. They constructed a network of irrigation canals that is certainly one of the wonders of the Ancient New World. Early investigators recorded more than 500 kilometers of major canals and 1,600 kilometers of smaller ones. (Less than 10 kilometers of these remain intact today.) One of the main canals was 3 meters deep, 11 meters wide at ground level, and 14 kilometers long. Old and recent aerial photos show traces of an incredibly complex irrigation network. W.B . Masse, the author of this article, is very impressed by the earth-moving task but even more so by the degree of social coordination and control that must have been exerted all along the Salt River Valley in building and regulating the use of this remarkable canal system. (Masse, W. Bruce; "Prehistoric Irrigation Systems in the Salt River Valley, Arizona," Science, 214:408, 1981.) Reference. Many other ancient canal projects are described in our Handbook: Ancient Man. Ordering information here . Composite map of canals near Tempe constructed from aerial photographs. From Science Frontiers #19, JAN-FEB 1982 . 1982-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 16: Summer 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The moon's magnetic swirls The impressively strong magnetic anomalies discovered on the lunar surface remain enigmas. They appear to be superficial patches of highly magnetic material rather than deep-seated manifestations of basic lunar structure. Instead of being associated with gravity anomalies, the magnetic patches seem coincident with strange swirl-like markings on the moon's surface. The logical inference is that the swirls are surface patterns of highly magnetic substance -- but why the pecu-liar patterns and where did the strongly magnetic material come from? (Hood, L.L .; "The Enigma of Lunar Magnetism," Eos, 62:161, 1981.) Comment. The swirls were originally attributed to cometary impacts, but comets hardly seem likely carriers of highly magnetized materials. Reference. The lunar magnetic swirls are cataloged at ALZ3 in The Moon and the Planets. For a description of this catalog, got to: here . From Science Frontiers #16, Summer 1981 . 1981-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 15: Spring 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Is all natural gas biological in origin?T. Gold and S. Soter, from Cornell, have championed the theory that earthquake lights, sounds, and precursory animal activities may be due to abiogenic natural gases escaping from deep within the earth. Perhaps some petroleum and natural gas reserves have been created by primordial hydrocarbons working their way outward through the crust rather than by the geochemical alteration of biological materials. Perhaps almost all petroleum is abiogenic -- some Russian scientists hold this view! Western scientists are almost unani-mous that natural gas and oil are bio genic with maybe a touch of upwelling abiogenic hydrocarbons. A major reason given for this stance is that the biogenic theory has been so productive in locating hydrocarbon reserves. This, of course, leaves the earthquake lights and sounds still unexplained. (Anonymous; "Abiogenic Methane? Pro and Con," Geotimes, 25:17, November 1980.) Comment. The moral of this might be that seemingly inconsequential phenomena historically lead to wholesale changes in scientific thinking; viz., the insignificant advance in Mercury's perihelion. Reference. The possible abiogenic origin of natural gas is covered at ESC16 in Neglected Geological Anomalies. For a description of this Catalog, visit: here . From Science Frontiers #15, Spring 1981 . 1981-2000 William R. Corliss ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf015/sf015p10.htm
