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... us in this paper. Jupiter's moon, Io, exhibits an anomaly that seems to call for a radical explanation. Io's volcanos erupt with such violence that molten material is flung to heights of 250 kilometers. These outbursts proceed from caldera, and one is led to assume that normal volcanic action is to blame. Unfortunately for this simplistic idea, Io does not seem to possess low-molecular-weight substances, such as water, that could serve as a good propellant at reasonable temperatures. Sulphur is common, but its atomic weight is so high that temperatures exceeding 6000 K would be required to shoot matter out to 250 kilometers. Gold suggests that Io's volcanos get their firepower from electrical sources. He points out that Io short-circuits Jupiter's ring current periodically. Gold estimates that 5 million amperes flow through Io when it passes through the ring current. The energetic eruptions and caldera might therefore be electric-arc phenomena. The electrical energies available are sufficient to account for the observed outbursts. (Gold, Thomas; "Electrical Origin of the Outbursts on Io," Science, 206:1071, 1979.) Comment. Several scientists and non-scientists have proposed in the past that the sunspots and even some planetary craters result from large-scale electrical arcing within the solar system. Reference. Io is anomalous in several other ways. See our Section AJX in: The Moon and the Planets. To order, visit: here . From Science Frontiers #10, Spring 1980 . 1980-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 17: Fall 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Shergottites and nakhlites: young and mysterious The shergottites and nakhlites are two types of meteorites that have scientists scratching their heads. Both types have been dated by various radioactive clocks at 1,300 million years or less -- far younger than all other meteorites. Where could such young meteorites have originated? The asteroids and moon's surface are far too old. A current guess is the surface of Mars. There, an impacting meteor could have blasted pieces of young lava sheets in space and thence to earth. The shergottites have a shocked structure and could well have originated in such catastrophism, but the nakhlites show no signs of violence and seem to require a separate explanation. (Anonymous; "Mystery Meteorites May Come from Mars," New Scientist, 91:219, 1981.) From Science Frontiers #17, Fall 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 Natural lasers in the terrestrial and martian skies?In a current laser patent dispute, one side claims that a certain laser patent is invalid because natural phenomena cannot be patented under U.S . law. It seems that last year, Michael Mumma and colleagues at Goddard Space Flight Center and the University of Maryland discovered a 10-micrometer (infrared) laser in the Martian atmosphere. This laser is located about 75 kilometers above the surface, is optically pumped by the sun, and radiates an astonishing 101 2 watts. The terrestrial atmosphere may contain a natural 4.3 -micrometer laser, for auroras are accompanied by very intense molecular emissions at this wavelength. (Raloff, J.; "Gould Laser Patent Ruled Invalid -- So Far," Science News, 121: 199, 1982.) From Science Frontiers #21, MAY-JUN 1982 . 1982-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 17: Fall 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Mysteries Around Uranus August 15, 1980. European Southern Observatory, La Silla, Chile. Using the 3.6 -meter reflector and a photoelectric detector, astronomers recorded the occultation of a star by Uranus. The currently recognized rings of Uranus were duly noted as they dimmed the star's light, but so did seven other "objects." Observers at Las Campanas and Cerro Tololo, who were also monitoring the occultations, did see the seven extra occultations of the star. Clouds and faulty equipment have been ruled out. No one knows what caused the anomalies, (Anonymous; "More Mysteries of Uranus' Rings," Solar System Today, 3:56, 1981.) From Science Frontiers #17, Fall 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 Where are the primordial stars?Down the years, astronomers have been able to divide almost all stars into two groups: Population I, made up of young stars enriched by the products of their ancestors; and Population II, those relatively older ancestor stars containing more hydrogen and fewer heavier elements. Population I, according to present thinking, was formed out of the "ashes" of Population-II stars. What is missing from the picture are PopulationIII stars -- stars almost devoid of elements heavier than hydrogen and helium, and formed while the Big Bang was still echoing throughout the cosmos. Current astrophysical theory requires "ashes" from Population III to create Population II. Do the astronomers find any primordial Population-III stars kicking around? Hardly a handful; not nearly enough to satisfy the prevailing model of stellar evolution. One explanation is that Population-III stars have been around long enough to collect a camouflaging veneer of metallic debris. Some astronomers surmise that Population-III stars are truly extinct for some unknown reason. (Anonymous; "Where Is Population III?" Sky and Telescope, 64:19, 1982.) From Science Frontiers #23, SEP-OCT 1982 . 1982-2000 William R. Corliss ...
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... 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 Something hot beneath small saturn-satellite surfaces Crater-density studies of the small, icy Saturn satellites Rhea, Dione, Mimas, and Tethys reveal important non-uniformities in crater distribution and age. The anomalies are so large that astronomers have concluded that these objects must have undergone considerable evolution after they were formed by accretion (the currently accepted mode of formation). Unfortunately these four satellites are so small that they could not have accommodated any reasonable energy source capable of causing the observed crustal evolution. The authors suggest strong local concentrations of radioactive heat generators rather than uniformly distributed radiogenic substances, such as those that helped mould the earth's surface. (Plescia, J.B ., and Boyce, J.M .; "Crater Densities and Geological Histories of Rhea, Dione, Mimas and Tethys," Nature, 295:285, 1982.) Comment. Interestingly enough, local concentrations of radioactivity have been discovered on the moon. From Science Frontiers #20, MAR-APR 1982 . 1982-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 10: Spring 1980 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Double hubble: age in trouble A key concept in modern astronomy -- the distance scale -- has been challenged by a new measurement technique. In recent years, the so-called Hubble Constant has been used to determine the distances of the farthest observable galaxies and, by assuming that they are near the periphery of the expanding universe, obtaining the age of the cosmos by dividing distance by the speed of light. Until this current challenge, the age of the universe was generally taken as about 20 billion years. The "old" Hubble Constant, however, was determined from the measurements of the distances to rather close galaxies and then assuming that the Constant thus derived held for the entire universe. The new yardstick reaches farther out into space. It is based upon the observation that the broadening of galaxy's 21-centimeter radio emission depends upon its rate of rotation, plus the belief that the rate of rotation is proportional to its brightness! This "new" Hubble Constant is 95 kilometers/second/ megaparsec, which translates into an age of only 10 billion years for the universe. Both the 10-billion-year and 20billion-year camps claim strong supporting evidence for themselves and also point to serious difficulties in the opposing method. The stage is thus set for a delightful controversy. (Hartline, Beverly Karplus; "Double Hubble: Age in Trouble," Science, 207: 167, 1979.) ...
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... -utilitarian; that is, built only to satisfy intellectual curiosity. Furthermore, some scientific notions were widespread geographically, indicating perhaps long lines of communication. To illustrate, Frolov cites the similar astronomical sophistication revealed by the Lake Onega petroglyphs in Russia and those at Stonehenge. He also points out that the aborigines of North America, Australia, and Siberia all called the Pleiades the "Seven Sisters." Coincidence is very unlikely here, he says. This and other notions must have existed before Australia and North America were peopled. The absence of writing as we know it would not have deterred ancient humans from developing and communicating mathematical and scientific skills and accumulating knowledge, possibly in the form of myth. (Frolov, B.A .; "On Astronomy in the Stone Age," Current Anthropology, 22: 585, 1981.) Comment. A passing thought: may not writing as well as today's omnipresent computers be crutches that permit our memories and mental skills to deteriorate? In our Handbook The Unfathomed Mind, we present many cases of remarkable memory and information-processing ability. Such skills could be common today but suppressed by technology. In ancient humans, they may have been well-used and common. From Science Frontiers #19, JAN-FEB 1982 . 1982-2000 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 ANCIENT MUD STRUCTURES IN COLORADO "The remains of 16 hardened mud structures recently discovered in the mountains northwest of Denver may prove to be the oldest-known buildings in North America. Found during construction of a pipeline, the remains are 4,000 to 7,000 years old, compared with 4,700 years for the oldest Egyptian pyramid." Mud structures such as these usually disintegrate in a few hundred years, but these were fire-hardened. Because they appear to be permanent buildings, the current belief that the American Indians of this period were simple, nomadic hunter-gatherers may have to be reexamined. (Anonymous; Science Digest, 90:22, August 1982. Attributed to the Christian Science Monitor.) Comment. The Rocky Mountain area also boasts enigmatic stone structures and graphic material attributed by some to ancient European, Asian, and African voyagers. See our Handbook: Ancient Man. For a description of this book, go to: here . From Science Frontiers #23, SEP-OCT 1982 . 1982-2000 William R. Corliss ...
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... and prejudices of the "scientific belief system" based on these comments alone! Enough of the controversial nature of Winkelman's article; what does it say? Basically, it states that many magic systems; such as sorcery, witchcraft, divination, and faith healing; may have originated and still be sustained by the psi abilities of the practitioners of magic. Psi here includes telepathy, precognition, psychokinesis, etc. The body of the paper reviews the characteristics of magic and the areas "correspondence" with parapsychology. Examples of areas of correspondence: altered states of consciousness, visualization, positive expectation, and belief. Indeed, the correspondences are strong; and this fact leads to the sentence from the summary quoted above. (Winkelman, Michael; "Magic A Theoretical Reassessment," Current Anthropology, 23:37, 1982.) Comment. A conventional rationalistic scientist would, or should, react to Winkelman's paper by saying that: Magic is not based on psi, rather psi is magic and has no scientific basis. Winkelman, on the other hand, tacitly assumes the reality of telepathy, precognition, etc. The real issue, of course, is whether there really is an "order of the universe" beyond the ken of present-day science. The history of science shows that science has eventually accepted one impossible idea after another; viz., meteorites and hypnosis. Psi may not make the grade. Even if psi is real, it cannot become part of the scientific belief system until dogmas about the nature of life and man change. ...
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... , 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 ...
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... 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects New Definition For Humans Needed One scientist has defined humans as "tool makers" as distinguished from "tool users." This distinction is necessary because several animals employ tools for simple tasks, such as fishing termites out of holes. However, Kitahara-Frisch points out in this paper that experiments by Wright with a young orangutan proved that at least one animal can actually make tools; that is, use one tool to make another. More specifically, Wright taught the orangutan to strike sharp flint flakes from a core and then use them to cut a cord and gain access to its favorite food. (Kitahara-Frisch, J.; "Apes and the Making of Stone Tools," Current Anthropology, 21:359, 1980.) Comment. Apparently, with orangutans, at least, no manipulative or cognitive barriers exist to prevent them from entering their own Stone Age. Reference. The ability of non-human mammals to manufacture and use tools is cataloged at BMT11 in Biological Anomalies: Mammals I. To order, go to: here . From Science Frontiers #13, Winter 1981 . 1981-2000 William R. Corliss ...
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... Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Were the british megaliths built as scientific instruments?Alexander Thom and his son have meticulously surveyed nearly 100 megalithic sites in Britain and nearby Europe. Archeologists generally applaud the Thoms' careful work but vehemently attack their conclusions. The Thoms see in their surveys evidence that the early Britons built megalithic astronomical instruments with scientific capabilities far beyond their needs for calendar-keeping. Actually, they suggest that these "primitive" people built a society so strong that it could devote time and labor to a program of astronomical research generations in extent. In short, they were precociously bright and socially strong; so much so that they could indulge their scientific desires. The Thoms' prehistoric scenario departs radically from that of the current archeological establishment, which has searched for flaws in the Thoms' work. Naturally, some defects have emerged. Clive Ruggles, the author of the present article, is one of the skeptics. He feels that the megalithic sites are impressive and intriguing but not the work of mental giants. After all, Ruggles says, 72 points of the compass have some lunar significance. Almost any circle of stones built for simple ritual purposes would have some significant lunar alignments! (Ruggles, Clive; "Prehistoric Astronomy: How Far Did It Go?" New Scientist, 90: 750, 1981.) Comment. The kind of statistical argument reminds one of those monkeys who will eventually type out the works of Shakespeare. Presumably, the same monkeys could construct Stonehenge, given enough time. ...
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... Complex because it sits astride both Senegal and Gambia. An archeological inventory of the region discloses 212 pillar-circle sites and 251 "tombelles," which are stone cairns or heaps often surrounded by ring-like stone walls. Hundreds of sites with tumuli also dot the area. One of the pillar-circle sites boasts all of 50 individual pillar circles. Some of the pillars are topped with cupules, raised discs, or balls. The fanciest pillars are V- or Y-shaped with crossbars. Archeological exploration of these impressive sites is incomplete. Preliminary dating makes the Senegambian Complex over 1,000 years old. The functions of this vast array of megalithic sites is unknown, although it is not obviously astronomical. (Hill, Matthew H.; "The Senegambian Monument Complex: Current Status and Prospects for Research," in Megaliths to Medicine Wheels: Boulder Structures in Archaeology, Michael Wilson, et al, eds., Calgary, 1981, p. 419.) Reference. Much more information about these North African sites may be found in our Handbook: Ancient Man. This volume is described here . Lyre-shaped megalithic monument in Senegal From Science Frontiers #18, NOV-DEC 1981 . 1981-2000 William R. Corliss ...
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... reported in the Anthropological Journal of Canada. The anchors, according to that report suggested a Chinese presence in America centuries ago. This is not a respectable notion among most archeologists, as we see in a strong rebuttal by F.J . Frost in Archaeology that begins by raising the"horrrible" spectres of Heyerdahl and von Dainiken. [Should these names be used to scare archeologists?] First of all, the rebuttal's author, F.J . Frost, sinks the Land of Fu Sang legend by relating how Gustaaf Schlegel showed in 1892 that the ancient Chinese mapmakers knew perfectly well that Fusan was actually an island just off the northeast Asian coast. Next, Frost tells how a recent attempt to duplicate the voyage from China to America in a Chinese junk riding the Kuroshio Current was a dismal failure. If so, then, how about those stone anchors found in shallow waters off Palos Verdes, California? They are legitimate Chinese anchors all right, but they are modern, having been lost by local California fishermen of Chinese extraction. History tells how Chinese immigrants quickly applied the techniques of their native land to the California Coast. Finally, Frost does identify some genuine unsolved mysteries off Palos Verdes. It seems that some of the stones found underwater are most curious indeed. Near where the stone anchors were found are two grooved columnar stones over a meter long with drilled holes. There is also a ton-sized stone sphere with a groove around its circumference. (Frost, Frank J.; "The Palos Verdes Chinese Anchor Mystery," Archaeology, 35 ...
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... Project Sourcebook Subjects Numismatic Ufos Jeremiah Epstein has assembled an absolutely fascinating analysis of some 40 "discoveries" of Pre-columbian coins in the United States. The lengthy table detailing the finds and the long list of references are alone enough to make this article a classic. Epstein carefully scrutinizes each find with admirable dispassion. His conclusions: frauds, counterfeits, and recent losses of imported ancient coins suffice to explain all of the data. Supporting and disagreeing comments from researchers active in the field follow Epstein's article. The advocates of Pre-columbian diffusion naturally take issue with Epstein, claiming that there is a residue of cases not adequately explained. (Epstein, Jeremiah, F. et al; "Pre-Columbian Old World Coins in America: An Examination of the Evidence," Current Anthropology, 21:1 , 1980.) Comment. Shades of UFOs, sea serpents, the Kensington Stone and of course ancient humans in America. It is all so familiar. From Science Frontiers #11, Summer 1980 . 1980-2000 William R. Corliss ...
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... 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 The Nomads Within Us It was originally believed that human chromosomes were fixed at conception and all subsequent organic development proceeded from the instructions encoded on them. Biologists have recently discovered that genes grasshopper about, constantly modifying genetic instructions -- at least that's the current thinking. Additional modification of genetic instructions seems to be accomplished by entities called "nomads" or "mobile dispersed genetic elements." One type of nomad is a simple ring of DNA called a plasmid. Plasmids seem to be identical to a kind of virus called a retrovirus, which can penetrate into cells and tamper with gene expression; that is, the way genetic instructions are interpreted. Plasmids have been discovered in maize, fruit flies, bacteria, and, now, humans -- and healthy people at that. No one is quite sure what these plasmids do. Even though they look like retroviruses, they may not be associated with illness, but rather help organisms adapt to changing environments. But no one really knows. (Anonymous; "Human Wandering Genes Can Live on Their Own," New Scientist, 94:18, 1982.) Comment. So, the human body is not only beset by new genetic instructions and the static introduced by invading viruses and other disease agents, but it has an indigenous population of nomads continually fiddling with our cells' genetic instructions. Our bodies seem more like Grand Central Station with trains loaded with new biological ...
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... by bit, evidence accumulates showing that Chinese and Japanese ships visited the American Pacific coast long before Europeans. Indian traditions tell of many "houses" seen on Pacific waters. Chinese history, too, tells a charming account of voyages to the land of Fusang. Even old Spanish documents describe oriental ships off the Mexican coast in 1576. Japanese explorers and traders evidently left steel blades in Alaska and their distinctive pottery in Ecuador. Recent underwater explorations off the California coast have yielded stone artifacts that seem to be anchors and line weights (messenger stones?). One line weight found at 2,000 fathoms is covered with enough manganese to suggest great antiquity. The style and type of stone point to Chinese origins for all these artifacts. Apparently, vessels from the Orient were riding the Japanese Current to North American shores long before the Vikings and Columbus reached the continent. (Pierson, Larry J., and Moriarty, James R,; "Stone Anchors: Asiatic Shipwrecks off the California Coast," Anthropological Journal of Canada, 18:17, 1980.) Reference. Such putative Asian contacts are covered in our Handbook: Ancient Man. A description of this book is located here . From Science Frontiers #14, Winter 1981 . 1981-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 13: Winter 1981 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A Funny Thing Happened Along The Mean Free Path A little anomaly may go a long way. Accelerator experiments at Berkeley have again focussed attention on those few fragments from nuclear reactions that have unexpectedly short trajectories. About 6% of these fragments travel only about one tenth as far as prevailing physical laws say they should. These anomalously short mean free paths are not new, having first cropped up in 1954, but they have gone unexplained for 26 years. Current speculation is that the anomalous fragments somehow change their identities, making them more susceptible to collision (i .e ., their collision cross sections spontaneously increase by ten times). But no known transformations of matter can do this! Consequently, we are left with the possiblity that some entirely new form of matter exists. (Robinson, Arthur L.; "A Nuclear Puzzle Emerges at Berkeley," Science, 210:174, 1980.) Comment. Just a few weeks ago, some nuclear physicists were saying that the advent of quark theory explained everything in their field. From Science Frontiers #13, Winter 1981 . 1981-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 4: July 1978 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A Sinuous Line Of Sea Snakes In the Malacca Straits, on May 4, 1932, a surface congregation of sea snakes 10 feet wide and 60 miles long was observed. Helicopter pilots off Viet Nam and Pakistan have reported similar but much smaller concentrations. Groups of several thousand have also been noted in Panama Bay. This tendency to gather in great numbers at the surface is an enigmatic aspect of sea snakes. One possible answer may lie in the surface feeding habits of some species, such as the yellow-bellied sea snake. These creatures seem to float passively on the sea surface, feeding and reproducing, letting the winds and currents accumulate them in long drift lines. (Minton, Sherman A., and Heatwole, Harold; "Snakes and the Sea," Oceans, 11:53, April 1978.) From Science Frontiers #4 , July 1978 . 1978-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 89: Sep-Oct 1993 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects RHYTHMIC SUBMARINE VOLCANOS AND EL NINOS An El Nino commences when a giant high pressure system centered near Easter Island weakens slightly and causes a shift in the circulation of Pacific Ocean currents. Weather patterns from North America to Australia lurch ponderously in sympathy. El Ninos occur every 4-7 years, suggesting some periodic phenomenon is waving a geophysical baton. The real cause of El Ninos is still obscure. However, the recent discovery of over 1,000 previously unmapped submarine volcanos rising from the seafloor in the eastern Pacific may lead to El Nino's source. The synchronous eruption of, say, 100 of these volcanos might warm the ocean around Easter Island a tad -- just enough to warm the atmosphere above a bit -- resulting in a shift of the high pressure area. The area of intense volcanic activity covers 55,000 square miles of sea floor where the Pacific and Nazca plates are separating. In addition to the active volcanos, many plumes of 800 F water gush from the sea floor in this area. The volcano-El Nino link is, therefore, not so far-fetched. (Nash, Nathaniel C.; "Volcano Group in Pacific May Cause El Nino," Pittsburgh Post Gazette, February 14, 1993. Cr. E. Fegert) Comment. If submarine volcanos do cause the El Ninos, and the El Ninos are periodic, the submarine volcanism would have to be periodic, ...
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... -Dec 1992 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects THE "AMERICA BEFORE COLUMBUS" CONFERENCE Tennessee Bat Creek stone with supposed Hebrew characters Last summer, the New England Antiquities Research Association (NEARA) organized a meeting of off-mainstream archeologists at Brown University. As readers of Science Frontiers have long been aware, the New World was not new to many ancient voyagers. A review of the Conference in the New York Times gave wide exposure to some of these controverted pre-Columbian contacts: 5000-year-old pottery found in coastal Peru bears an uncanny resemblance to pottery made in Japan during the same period. How could the Japanese have reached Peru circa 3000 BC? Easy! Storms could have blown fishermen into the trans-Pacific current. (See "Current Treads" item under GEOPHYSICS.) The Zuni Indians of New Mexico may have been influenced by Japanese voyagers in the Thirteenth Century, as suggested by their distinctive blood chemistry, language, and culture. 700-year-old temple art from India reveals detailed depictions of ears of corn, which was supposedly unknown outside the Americas until after Columbus. Jewish refugees from the Roman Empire may have somehow reached eastern Tennessee, if the famous Bat Creek Stone really bears an ancient Hebrew inscription. The grave in which the stone was found has been carbon-dated between 32 and 769 AD. (Wilford, John Noble; "Case for Other Pre-Columbian Voyagers," New York Times , July 7, 1992.) From Science Frontiers #84, NOV ...
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... of the world*The innards of our planet, as presently visualized, consist of an inner core of solid iron about 2,400 kilometers in diameter. Surrounding this is a fluid outer core, which in turn is wrapped onionlike by the mantle and outer crust. Earthquakes are always sending seismic waves through these regions and jostling seismometers installed all over the globe. From this wealth of seismic signals, geophysicists have found that the inner core, lubricated by the fluid outer core, rotates about 1.1 per year faster than the mantle and crust. The inner core interacts with the geomagnetic field and is, in effect, like the rotor of a slow, ponderous induction motor. Expanding upon this vision of the earth as a colossal electrical machine, E. Stokstad writes: "Electric currents of about a billion amps flow across the boundary between the solid inner core and the fluid outer core that lies around it. In the presence of the Earth's magnetic field, these currents generate massive forces that tug on the inner core. And because the outer core has a relatively low viscosity, the inner core can spin freely." (Stokstad, Erik; "Earth's Heart Is in a Spin," New Scientist, p. 18, July 20, 1996. The basic paper is: Song, Xiadong, and Richards, Paul G.; "Seismological Evidence for Differential Rotation of the Earth"s Inner Core," Nature, 382:221, 1996) Comments. Awesome as this gigantic natural electric motor may be, it doesn't ...
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... Science Frontiers ONLINE No. 119: Sep-Oct 1998 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Auroral Maps!Auroral arcs are created by electrical currents flowing high in the ionosphere -- usually higher than 100 kilometers according to current [! ] thinking. Therefore, scientists do not really expect to see terrestrial topography reflected in auroral geometry. Nevertheless, T. Pulkkinen of the Finnish Meterological Institute reported to the May 1998 meeting of the American Geophysical Union that coastlines somehow coax auroral arcs to align with them. In some 200 hours of observation along the Norwegian coast, there were nine clear-cut cases where auroral arcs lined up northsouth directly above the coastline. These alignments lasted 5-10 minutes. L. Frank (of icy-comet notoriety) confirmed this effect with observations from NASA's Polar satellite. Sometimes auroral arcs aligned themselves parallel to the Greenland coast for hundreds of kilometers. Auroral arcs that fanned out east-to-west seemed to hit a barrier when they reached the Greenland coastline; they seemed to be deflected by it, even though the coast was more than 100 kilometers beneath them. (Hecht, Jeff; "Leading Lights," New Scientist, p. 16, May 30, 1998.) From Science Frontiers #119, SEP-OCT 1998 . 1998-2000 William R. Corliss ...
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... of extreme waves was also recorded by Canadian weather buoys moored in the area, and the maximum measured height from buoy 44141 was 30 m (98 feet.)" The Queen Elizabeth II survived the onslaught with minor damage; no passengers or crew members were injured. (Warwick, R.W ., et al; "Hurricane 'Luis', the Queen Elizabeth 2 and a Rogue Wave," Marine Observer, 66:134, 1996) Comments. Even though these so-called "rogue waves" sometimes appear under calm conditions, the stock explanation for them involves the chance addition of two smaller waves from intersecting wave trains. Recently, B. Fornberg and B.S . White have taken a different tack: "Using a mathematical model, they demonstrate that ocean currents or large fields of random eddies and vortices can sporadically concentrate a steady ocean swell to create unusually large waves. The current or eddy field acts like an optical lens to focus the wave action..." Maybe so, but this article admits at the outset that solitary rogue waves may occur in calm seas. (Peterson, I.; "Rough Math: Focussing on Rogue Waves at Sea," Science News, 150:325, 1996) Reference. Large solitary waves are rather common. See GHW1 in our Catalog: Earthquakes, Tides. Ordering information can be found here . From Science Frontiers #109, JAN-FEB 1997 . 1997-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 107: Sep-Oct 1996 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects "NOT WITH A BANG BUT A WHIMPER"Poet T.S . Eliot speculated that life on earth might not after all be terminated catastrophically, as in the impact of a large asteroid (today's popular doomsday machine). Rather, we might depart slowly, quietly, and mournfully. Of course, Eliot was not thinking of asteroids -- no one foresaw impact havoc in his day. But, his use of the word "whimper" can be attached to another, much slower astronomical agent of planetary death: cosmic dust and gas. Here's the current situation: "For the most part of the past five million years, the Solar System has been moving through a rather empty region of interstellar space between the spiral arms of the Milky Way. But a few thousand years ago, it entered a diffuse shell of material expanding outward from an active star-forming region called the Scorpius-Centaurus Association. Such 'super-bubble' shells of gas and dust result from the formation of massive stars, or the explosion of those stars as they become supernovas, and contain gas and dust clouds of varying densities." The density of matter in this solarsystem-engulfing shell could well shroud our planetary system with dust and gas a million times more dense than that we now encounter. If this happens, the sun's rays would slowly dim and life forms dependent on photosynthesis would expire. ...
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... Science Frontiers ONLINE No. 111: May-Jun 1997 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Tobacco And Cocaine In Ancient Egypt The current newsletter of the New England Antiquities Research Association has flagged an important anomaly that appeared on a 1997 TV program. "In January [1997] the Discovery Channel broadcast a program stating that cocaine and tobacco had been found in Egyptian mummies known to be at least 3,000 years old. Tests used modern forensic methods and were repeated many times under carefully controlled conditions. Since coca and tobacco are not known to have grown anywhere other than the Americas, the evidence points to trade routes across the Pacific or Atlantic in those remote times. The program seemed to favor a Pacific crossing and then delivery via the Silk Route. Watch for a rebroadcast." This news item continued with a reference to Dr. Balabanov's supporting tests on bodies from China, Germany and Austria, spanning the years 3,700 BC to 1100 AD. These bodies contained incredibly high percentages of nicotine. (Ross, Priscilla; NEARA Transit, 9:5 , Spring 1997.) Comment. In SF#7 /48, back in 1978, we reported that the mummy of Rameses II contained anomalous traces of nicotine. From Science Frontiers #111, MAY-JUN 1997 . 1997-2000 William R. Corliss ...
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... without the puppets (chromosomes). (Hyams, Jeremy; "Look Ma, No Chromosomes," Nature, 382:397, 1996. Also: Heald, Rebecca, et al; "Self-Organization of Microtubules into Bipolar Spindles around Artificial Chromosomes...," Nature, 382:420, 1996. Travis, John; "Mitotic Mischief," Science News, 150:14, 1996.) Comments. Obviously, neither the chromosomes, the genes, nor the DNA are the master of the show. They are merely passive players in cell division. It is fair, therefore, to ask how these microtubules originate and operate. Whence the information and instructions (" program") required to put on the show? "Self-organization" is the current answer of mainstream biologists, but this term has no explanatory value. Microtubules separating chromsomes prior to cell division. Left: early anaphase. Right: late anaphase. From Science Frontiers #111, MAY-JUN 1997 . 1997-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 116: Mar-Apr 1998 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Global cooling has begun!G. Bond of the Lamont-Doherty Earth Observatory and his colleagues have been tracking the movements of past ice sheets using the trails of rocky debris they leave behind on the ocean floor. A type of igneous rock called "gabbro" is indicative of the passage of past ice sheets. For example, 100,000 years ago, when the last ice age began, the amount of gabbro in ocean-floor sediments jumped from 2% to 8%. Despite all today's furor over global warming, Bond et al are finding in current ocean sediments the same gabbro precursors. Conclusion: a new ice age is in the making. (Anonymous; "Big Freeze," New Scientist, p. 21, December 20/27, 1997.) From Science Frontiers #116, MAR-APR 1998 . 1998-2000 William R. Corliss ...
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... terraced earthen mound 100 feet high and more than three football fields long. What we now see of the mound was apparently constructed between 900 and 1200 AD. The prevailing dogma has long been that the Indians who built Cahokia worked only with earth, never with stone. Indeed, suitable stone is scarce in the area. On January 24, 1998, while drilling to construct a water drainage system at Monk's Mound, workers hit stone -- at least 32 feet of it -- perhaps a region of cobbles or slabs of rock. This region of stone, of undetermined geometry, is located 40 feet below one of the terrace surfaces, but still well above the base of the mound. The stones could well be an artificial structure of some sort. The discovery challenges the current thinking about the culture that built Cahokia. Only further research will reveal the extent and configuration of the stony region and where the stones may have come from. An editorial in the March 14, 1998, St. Louis Post-Dispatch put the Cahokia discovery in the larger context: New World archeology is in flux. Humans occupied the Americas long before 12,000 BP, and some of them may have been Caucasian (e .g ., Kennewick Man). We now quote two incisive paragraphs from this editorial. "This burst of uncertainty surrounding the meaning of the stones beneath Monk's Mound is just the latest discovery shaking what was settled fact. Archeological finds are even challenging the conventional wisdom about when and how the Americas were settled. "It is a humbling ...
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... complexity you wish to have explained. R. Dawkins' Mount Improbable is never too high to scale with this Darwinistic mechanism -- if given enough time, of course. At times though, we have to wonder if there is not a cog railway or something similar to aid organisms as they ascend this Mount. Such thoughts arose when reading C. Koch's Nature article on neurons and their networks. Neurons are cells with three principal components: the cell body, the axons, and the dendrites. These cells and the networks underlie all of our perceptions, actions, and memories. The ways in which they store and process information has turned out to be much more complex and dynamic than previously supposed. Neural networks are so intricate that Koch was impelled to conclude his review of current research with this paragraph: "As always, we are left with a feeling of awe for the amazing complexity found in nature. Loops within loops across many temporal and spatial scales. And one has the distinct feeling that we have not yet revealed every layer of the onion. Computation can also be implemented biochemically -- raising the fascinating possibility that the elaborate regulatory network of proteins, second messengers and other signalling molecules in the neuron carry out specific computations not only at the cellular but also at the molecular level." (Koch, Christof; "Computation and the Single Neuron," Nature, 385:207, 1997.) Comment. Thus, Dawkins' Mount Improbable is seen to be even higher and more majestic. Can it really be climbed via a random process edited ...
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... under BIOLOGY can detect these quiverings. That the earth does indeed "ring" is old news. Geophysicist A.E .H . Love mentioned the possibility in 1911. It is also recognized that large earthquakes can set the earth to ringing (" quivering" is better). What is news is the discovery by N. Suda et al that our planet rings even when no major quakes are occurring, and no one yet knows why. Suda et al write: "The observed "background" free oscillations represent some unknown dynamic process of Earth." Suda and his colleagues detected these oscillations using a superconducting gravimeter, which they installed in a seismically-quiet place: Antarctica. The favorite explanation for the background oscillations is turbulence in the earth's atmosphere. Ocean tides and currents are also on the list as potential "bell-ringers." [El Ninos were not mentioned!] (Suda, Naoki, et al; "Earth's Background Free Oscillations," Science, 279: 2089, 1998. Also: Kanamori, Hiroo; "Shaking without Quaking," Science, 279:2063, 1998.) From Science Frontiers #118, JUL-AUG 1998 . 1998-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 114: Nov-Dec 1997 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The world's largest "playa-slider" furrow Most studies of playa sliders (" moving rocks") have been conducted at Racetrack Playa, near Death Valley, California. There one finds good-sized rocks at the ends of long tracks they have made when some force has propelled them across the flat playa surface. What has moved these rocks, some of which weigh 700 pounds? The current consensus holds that wind is the motive force, but that it is inadequate to move the rocks directly. Instead, the wind acts upon sheets of ice in which the rocks are frozen. As these sheets of ice are moved across the playa, the keels of the frozen-in rocks leave those curious trails that have intrigued Forteans for many decades. (SF#109) Playa sliders have also been found at Magdalenasmeer Playa in South Africa, and in Nevada and Tunisia. In a recent issue of Geology Today, C.C . Reeves, Jr., Texas Tech University, adds to the list a playa at Double Lakes, Texas. Of special interest at Double Lakes is not the rocks and other debris blown across the playa but a discarded hotwater tank. It, too, is a playa slider. It first left a trail a few hundred meters long when it was frozen in an ice sheet spigot down, with the spigot furrow quite obvious. The ice sheet then melted, and the tank ...
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... dives (over 1,000 meters) are also inimical to human instrumentation. But S.J . Morreale's group at Cornell have succeeded in attaching pressure-resistant transmitters to the shells on short tethers. This team was able to track female leatherbacks as they left their nesting beach in Costa Rica and headed southward, past the Galapagos, out into the open South Pacific. Surprisingly, all the leatherbacks plied a very narrow corridor each year of the experiment (1992-1995). In fact, the paths were almost for at least 2,700 kilometers southwest of the Galapagos. Highprecision navigation equipment is required here. Among the leatherbacks' "instruments" are probably sensors that detect the angle of the geomagnetic field, the length of daylight, and the identities of the oceanic currents encountered. There are probably other sensors and, of course, a brain to process all the signals; but virtually nothing is known about them. (Morreale, Stephen J., et al; "Migration Corridor for Sea Turtles," Nature, 384: 320, 1996. Also: Monastersky, R.; "Do Sea Turtles Stop and Ask for Directions?" Science News, 150:342, 1996.) Rectal gills. Sea turtles are airbreathers that make long, deep dives. To descend deep for long periods, they have evolved a diving adaptation radically different from that employed by the dolphins, whales, and seals; namely, rectal gills. They breathe air at the front end and water at the rear. Water is pulled in through the rectum and ...
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... Science Frontiers ONLINE No. 118: Jul-Aug 1998 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Glitches In The Terrestrial Conveyor Belt According to plate tectonics, the earth's continents are being transported -- very slowly -- on a subterranean conveyor belt of sorts. Although plate tectonics, nee continental drift, was ridiculed 50 years ago, it has been very successful in accounting for many geological phenomena. The theory is rarely challenged these days, but there are anomalies out there. "According to the simple plate-tectonic theory, the age of oceanic lithosphere is zero at a spreading oceanic ridge and increases with distance from the ridge. Thus the lithosphere of the central Atlantic, which current palaeogeographical reconstructions assure us began to open no earlier than 120 million years ago, has zero age at the Mid-Atlantic Ridge and, supposedly an age of about 120 million years close to the land masses of Africa and South America at the appropriate latitude. Yet, Bonatti and others (Nature, v. 380, p. 518, 1996) have now recovered samples of 140-million-year-old pelagic limestones not even from the edges of the Atlantic but right in the middle of the ocean, close to the ridge. How can this be possible?" The only explanation (? ) seems to be that this errant chunk of crust got "trapped" in the middle of the Atlantic -- like a misdirected suitcase on an airport conveyor belt. (Anonymous; "Old Rocks near the MidAtlantic Ridge ...
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... however, also move in ponderous cycles that beachcombers can never appreciate. Thanks to data from Geosat's precision altimeter, geophysicists can now discern some of these long-period moving patterns on the oceans' surfaces. "Energetic 90-day oscillations of sea levels have been intermittently observed at Wake Island in the western tropical Pacific during the past 2 decades. The oscillations tend to occur about 1.5 years after El NinoSouthern Oscillation events, to have amplitudes of 10-15 cm, and to persist for about 1 year. Sea-surface heights from the Geosat altimeter are used to establish that these signals take the form of Rossby waves and have an energy source near the Big Island of Hawaii, which lies 40 of longitude to the east. Sea-level and upper-layer currents from an eddy-resolving numerical model are examined and suggest that the energy source is eddies generated off the Big Island of Hawaii. These eddies appear to be associated with westward currents that intermittently impinge on the island." (Mitchum, Gary T.; "The Source of 90-Day Oscillations at Wake Island," Journal of Geophysical Research, 100:2459, 1995.) Comment. Such eddies would have to persist for long periods to survive the long trip to Wake Island some 2500 miles away. In this, they must be like the current rings that break off from the Gulf Stream in the Atlantic. From Science Frontiers #99, MAY-JUN 1995 . 1995-2000 William R. Corliss ...
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... years. Obviously, this model is starkly contradicted by the fossil plume under South America (described above) that seems to have been firmly attached to the South American plate for 120 million years. No differential motion there! Now, from a different line of evidence, P.D . Ihinger is challenging the well-entrenched "Hawaiian-volcanic-chain" theory. For example, the Hawaiian volcanoes do not line up exactly. There are dozens of short, overlapping segments rather than a continuous trace across the Pacific basin. On the map, you will also see a sharp dog-leg in the trace. Further, the volcanoes Mauna Loa and Mauna Kea, only 40 kilometers apart, disgorge lavas that are distinctly different. Something is not right! Ihinger postulates a strong mantle current flowing ponderously under the Hawaiian chain, dissecting the rising plume of hot rock into small "plumelets". These discrete blobs of hot rock are dispersed by the current of semi-solid rock and disrupt the expected simple pattern. (Ihinger, Phillip D.; "Mantle Flow beneath the Pacific Plate: Evidence from Seamount Segments in the Hawaiian-Emperor Chain," American Journal of Science, 295:1035, 1995. Also: Monastersky, R.; "Volcanoes Reveal Earth's Hidden Currents," Science News, 148: 357, 1995) Comment. Although a bit abstruse, these geological anomalies detected under South America and Hawaii threaten one of the crowning achievements of modern geology and geophysics. From Science Frontiers #103, JAN-FEB 1996 . 1996-2000 ...
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... Science Frontiers ONLINE No. 97: Jan-Feb 1995 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A Line In The Sea What would create a deep green line 10 kilometers wide and stretching for hundreds of kilometers across the azure Pacific? Sailors have remarked on this line as their ships clove it. It is so large that astronauts on the Space Shuttle Atlantis have photographed it from hundreds of kilometers up. Sample analysis proves the green line to be a particularly dense concentration of phytoplankton, which thrives along the boundary where the North Equatorial Counter-current meets the colder South Equatorial Current. The microorganisms feed in the richer, cooler, sinking waters of the latter and then rise to the surface to create the green line. (Yoder, James A., et al; "A Line in the Sea," Nature, 371:689, 1994. Also: Adler, T.; "Microorganisms Create a Line in the Ocean," Science News, 146: 263, 1994.) Comment. Even more unusual lines may be created where oceanic currents meet. For example, in 1932 an immense congregation of sea snakes 10 feet wide and 60 miles long was observed in the Malacca Strait. (SF#4 ) From Science Frontiers #97, JAN-FEB 1995 . 1995-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 97: Jan-Feb 1995 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Rubber Duckies Chase Nike Shoes Across Pacific Remember that amusing item in SF#84 about the 80,000 Nike shoes that were lost overboard in the Pacific in 1991? These shoes washed ashore months later in Canada and Alaska, carried thousands of miles by prevailing currents. Well, it's happened again. This time, eleven steel containers fell off a cargo vessel in the North Pacific near the International Dateline. The containers released 29,000 bath toys: duckies, turtles, froggies, and beavers. Ten months after the spill (January 10, 1992), the first yellow duckies washed ashore in Canada. These spills are useful in charting ocean currents but, except for wry Fortean content, are of little import to anomalists. However, there is one prediction of the computer models that is worth noting: Some of these bath toys may make it through the Bering Strait, across the Arctic Ocean, down past Greenland, and onto Atlantic shores. So, keep your eyes open at the beach! (Anonymous; "Rubber Ducky Armada Crosses Pacific," Science News, 146: 254, 1994. Carlton, Jim; "Tub Toys Are Ducky Ocean Researchers," Wall Street Journal, September 30, 1994. Cr. J. Covey) From Science Frontiers #97, JAN-FEB 1995 . 1995-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 93: May-Jun 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Healing Of Rents In The Natural Order J. Beloff, a prominent researcher in parapsychology has penned a thought-provoking essay in the current Journal of the American Society for Psychical Research. The phenomenon that stimulated Beloff's articles was what he called the "decline effect." Parapsychology has ever been plagued by the appearances of seemingly robust psychic phenomena, such as Rhine's initial ESP experiments with Zener cards. These phenomena would excite parapsychologists for several years, even decades, and then fade away. Writing in a historical vein, Beloff put it this way: ". .. it soon transpired that a decline effect, for ESP no less than for PK, could persist across sessions and, ultimately, across an entire career. Nearly all the high-scorers eventually lost their ability. Even Pavel Stepanck, whose 10-year career as an ESP subject earned him a mention in the Guinness Book of Records , eventually ran out of steam. When, after a long break, he was retested recently by Dr Kappers in Amsterdam, he could produce only chance scores. I do not think it was loss of motivation or boredom in his case, as has sometimes been put forward as an explanation for the long-term decline effect, for it was Stepanek's great strength that he was constitutionally incapable of ever being bored! Nor can we take seriously Martin Gardner's attempt to explain how he ...
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... Science Frontiers ONLINE No. 97: Jan-Feb 1995 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The 627-foot water slide between australia and india The world ocean, when viewed close-up from ship or airplane, displays the familiar microstructure of waves and currents. The view from a satellite, thousands of miles up, is startling to say the least. Huge bulges hundreds of feet high and hundreds of miles in extent appear when satellite radar altimeter data are plotted. Equally large depressions in the ocean surface also show up -- none obvious to surface observers. This unexpected macrostructure of the ocean surface is shaped by variations in the strength of the earth's gravitational field and sea-bottom terrain. Wherever the gravitational field is stronger, it creates a depression on the fluid surface. German geophysicists, in fact, have drawn a global map of the ocean's large-scale topography, as measured from the European Space Agency's ERS-1 satellite. The surface of the world ocean departs wildly from a smooth sphere. On their colored map: "Brilliant pink and red areas are continental-size mounds of water most notable northeast of Australia, where the sea topography is up to 85 meters (280 ft.) higher than the standard ocean level. Just to the west near India, deep blue indicates a 105-meter (346-ft.) deep depression in the sea surface. Major differences in the gravity fields and terrain underlying the two regions cause a variation of 190 meters ...
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... . 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects "ADAPTIVE" MUTATION Six years ago, J. Cairns performed experiments with bacteria that implied that said bacteria could "direct" their own mutations so that they could cope more speedily with sudden environmental trauma. (SF#64) In Cairns' experiments, bacteria unable to digest lactose were presented with an all-lactose diet. They quickly acquired the mutations needed to digest the only food available. They did not have to wait for random mutations to accidentally hit upon the correct genome changes. A firestorm spread across the scientific community, even though other researchers saw similar effects. It was traumatic! One of science's foundation stones was at risk. The current theory of biological evolution insists that all mutations are random. Cairns believed he had shown that his bacteria experienced only useful mutations. This claim was too awful to accept. In the July 21, 1994, issue of Science, two new papers appeared that, while not proving that only useful mutations occur in Cairns-type experiments, do indicate that something unusual is indeed happening. Basically, when bacteria are under stress (say, starving), a "distinctive" type of mutation occurs! Is "distinctive" a code word for "non-random"? The title of the commentary accompanying the two articles says it all. (Culotta, Elizabeth; "A Boost for 'Adaptive' Mutation," Science, 265:318, 1994.) From Science Frontiers # ...
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... Science Frontiers ONLINE No. 101: Sep-Oct 1995 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects "ALMOST INCONCEIVABLE" CHANGES IN THE GEOMAGNETIC FIELD A decade ago, a trio of geophysicists published a group of papers based on their measurements of the remnant magnetism of the 16-million-year-old layered lava flows at Steens Mountain, Oregon. (SF#45) At that time, they claimed that these finely bedded lava flows testified that, during a field reversal, the earth's field swung around at the astonishing rate of 3 per day! This rate is about one thousand times the current rate of polar drift. Mainstream geophysicists could not believe the 3 /day figure because it implied incredibly rapid changes in the flow of those molten materials within the earth that supposedly generate the geomagnetic field. The Steens Mountain data were "tabled"; that is, dismissed. The three researchers, though, continued their labors at Steens Mountain and have now offered additional, even more impressive data. They now find that the geomagnetic field probably shifted as much as 6 in a single day. Their work has been carried forward so professionally and meticulously that other scientists are finding their conclusions harder and harder to dismiss. Instead, the search is on for explanations of the rapid field changes. Three possibilities have been advanced -- all of them unpalatable to geophysicists: The Steens Mountain rocks are not faithful recorders of the main geomagnetic field. Should this be actually so, the whole field of paleomagnetism, including plate tectonics ...
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... Science Frontiers ONLINE No. 94: Jul-Aug 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Our genes aren't us!Almost without exception, biology textbooks, scientific papers, popular articles, and TV documentaries convey the impression that an organism's genes completely specify the living animal or plant. In most people's minds, the strands of DNA are analogous to computer codes that control the manufacture and disposition of proteins. Perhaps our current fascination with computers has fostered this narrow view of heredity. Do our genes really contain all the information necessary for constructing human bodies? In the April 1994 issue of Discover, J. Cohen and I. Stewart endeavor to set us straight. The arguments against the "genes-are-everything" paradigm are long and complex, but Cohen and Stewart also provide some simple, possibly simplistic observations supporting a much broader view of genetics. Mammalian DNA contains fewer bases than amphibian DNA, even though mammals are considered more complex and "advanced." The implication is that "DNA-as-a -message" must be a flawed metaphor. Wings have been invented at least four times by divergent classes (pterosaurs, insects, birds, bats); and it is very unlikely that there is a common DNA sequence that specifies how to manufacture a wing. The connections between the nerve cells comprising the human brain represent much more information than can possibly be encoded in human DNA. A caterpillar has the same DNA as the butterfly it eventually becomes. Ergo, something ...
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... rocks, such as kimberlite. Many South African diamonds are mined from kimberlite pipes. Diamonds are never pure carbon; they always contain some nitrogen and boron. Occasionally, they harbor tiny radioactive impurities; usually alpha-particle emitters in the uranium-238 decay chain. Alphas emitted by these impurities have well-defined energies and penetrate the diamond matrix only so far. If one examines a diamond with a high-power microscope (say, at 100 x), one can see concentric rings surrounding the impurities. These dark radiohalos or "pleochroic" halos have specific radii and can be used to identify the radioisotopes that produced them. So far, so good; but: "The fact that fully formed, optically visible internal radiohalos in diamonds are now presented casts a considerable shadow over current theories of diamond genesis." Actually, the radiohalos pose three challenges to diamond-genesis theory. Problem 1. The half-lives of the halo-creating radioisotopes are measured in thousands of years rather than the billions prescribed for crystallization. In fact some of the half-lives are only minutes or days long. M.H . Armitage comments: "How could these halos become imprinted if the formative cooling processes involved require such lengthy intervals?" Problem 2. The radioactive impurities producing the radiohalos are very tiny -- about 2-4 micrometers in diameter -- and are highly concentrated. Armitage continues: "What is most difficult to understand is that many of these inclusions and impurities have much lower melting and boiling points than the diamonds in which they are found. ...
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... : Jan-Feb 1996 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A Remarkable Mayan Suspension Bridge We tend to think Mayan engineering only in terms of those impressive pyramids at Tikal, Copan, and many other sites, but they were accomplished builders of roads and bridges, too. "Scientists working at the Mayan ceremonial center of Yaxchilan, Mexico, have discovered the remains of a sophisticated 600-foot-long suspension bridge built in the seventh century A.D . The bridge, which spanned the Usumacinta River, had massive concrete piers, a rope-cable suspension system anchored to stone mechanisms, towers, and a bed of hard wooden planks. It probably stood for 500 years above water 40 to 150 feet deep, with a steady current of 5 to 7 m.p .h ., which increases to 10 to 15 m.p .h . at flood stage. Civil engineer and archeologist Jame O'Kon says the bridge was the world's longest until 1377, when a larger one was built in Italy." (Anonymous; "Mayan Suspension Bridge," INFO Journal, no. 73, p. 44, Summer 1995. Source cited: Washington Times, February 26, 1995. INFO = International Fortean Organization) Comment. One wonders why such a talented society collapsed so suddenly! From Science Frontiers #103, JAN-FEB 1996 . 1996-2000 William R. Corliss ...
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... a sudden it was like this warmth came over me...When I sat back and leaned against the rail, I felt this warmth come over me and all of a sudden I knew where the moon was. But you couldn't see the moon it was so black, and then I directed the canoe with all this total confidence at a time when I had already convinced myself prior to the voyage that I would have no confidence in knowing where to go. And I turned the canoe to this particular direction, got things lined up, felt very, very comfortable in this cold, wet, rough environment and then there was a break in the clouds and the moon was there." (Finney, Ben; "A Role for Magnetoreception in Human Navigation," Current Anthropology, 36:500, 1995.) Ancient Pacific navigators making the voyage from Hawaii to Tahiti (in the Society Islands) dreaded crossing the doldrums near the Equator. Hawaii (not shown) is north of Tahiti at about 20 N. SPCZ=South Pacific Convergence Zone. Map from Irwin G.,; The Prehistoric Exploration and Colonisation of the Pacific. (Available from the Sourcebook Project). Reference. Human directional and "magnetic" senses are covered in: Biological Anomalies: Humans I. See description of this book here . From Science Frontiers #101 Sep-Oct 1995 . 1995-2000 William R. Corliss ...
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... were remarks by J.R . Huizenga, author of the debunking book: Cold Fusion: The Scientific Fiasco of the Century : "In contrast to Mallove's declaration that cold fusion is a "spectacular new form of lattice-induced nuclear energy," I conclude that there is no persuasive evidence to support this far-out claim. Instead, cold fusion as a nuclear process producing watts of excess heat is more likely than not to be an example of pathological science." Of historical interest in this collection of correspondence in Physics Today was S. Bashkin's mention of the 1926 experiments of F. Paneth. His results were essentially identical to those of S. Pons and M. Fleischmann that began the present cold fusion furor. Paneth detected helium after passing an electrical current through hydrogen-laden palladium! But he later retracted his conclusions. (Mallove, Eugene, et al; "Cold Fusion: Still a Hot Research Topic," Physics Today, 47:93, March 1994.) From Science Frontiers #95, SEP-OCT 1994 . 1994-2000 William R. Corliss ...
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... in Mineyama, the terrestrial magnetism suddenly changed in a southeasterly direction by up to 0.6 nanotesla, for 30 seconds, as the quake began at 5:46 a.m . on Jan. 17. .. .. . "A similar geomagnetic variation was also observed at the university's observatory in Shigaraki, but the variation was in the opposite, north-westerly, direction." (Anonymous; "Changes in Geomagnetic Field Noted during Quake," Daily Yomiuri , March 30, 1995. Cr. N. Masuya) Comment. Such clear-cut, earthquake-associated geomagnetic perturbations are rare. For a short history of the controversy, see GQM1 in the catalog volume: Earthquakes, Tides, etc. (Details here .) Evidently, strong earth currents are created when rocks fracture and slip, but the precise mechanism remains obscure. From Science Frontiers #100, JUL-AUG 1995 . 1995-2000 William R. Corliss ...
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... ." Whatever their name, they are large, tsunamilike waves that suddenly enter coastal waters and which cannot be assigned to any known triggering force. The frequency of occurrence of these "coastal seiches" may be a clue to their source. For example, off the Puerto Rican island of Magueyes, coastal seiches are most common about 7 days after new and full moons, suggesting a tidal influence. Oceanographers G.S . Giese and R.B . Hollander think that these coastal seiches are the consequence of internal waves (solitons*) formed at the southeastern edge of the Caribbean where tidal effects are particularly powerful 2 days after new and full moons. These slowmoving internal waves take 5 days to reach Puerto Rico, where they emerge as coastal seiches. Similar internal waves created by tidal currents at the edges of the continental shelves and deepwater sills may explain the mysterious coastal seiches recorded in the Anadaman and Sulu Seas. So far, no one has suggested origins for the Irish "death waves" and Baltic "seebars." (Korgen, Ben J.; "Seiches," American Scientist, 83:330, 1995.) *Internal waves or solitons move, mostly unseen at the surface, along the ocean's thermoclinethe plane separating warm surface water from much colder water below. The vertical amplitude of the solitons may be hundreds of meters, but at the surface they are represented by only small, gently domed, slowly moving waves or by regions of turbulence. Coastal seiches appear when the solitons impinge on coasts. For more on unusual waves and solitons, ...
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