... Science Frontiers ONLINE No. 75: May-Jun 1991 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Can organisms direct their evolution?" In 1988. Harvard molecular biologist John Cairns committed an act of scientific heresy. He proposed in a Nature article that bacteria living in an unfavorable environment are able to choose which mutations to produce to adapt to the stressful situation. Cairns made his directed-mutation hypothesis in response to an unusual finding -- data that strongly hinted bacterial mutations might occur more often when beneficial." The above quotation is the lead paragraph in a long BioScience article that details the consternation Cairns' results have created in the biological community. The problem that biology-as-a -discipline has is that it has deified a paradigm: neo-Darwinism. Now, neo-Darwinism is supported by many experiments showing that some mutations are indeed random. Consequently, as M. Gillis re-marks in her BioScience article, the biological community 'got locked into its belief that an organism cannot control its own mutation.' Furthermore, Cairns' claims recall the long battle with Lamarckism, a subject that biology has closed-the-book-on. In a nutshell, Lamarckism has been interred since the 1950s, and 'Nobody wants to give the appearance of straying from the neoDarwinism fold.' Gillis goes on to review some recent experiments supporting those of Cairns. But, impressive though these may be, there have been neo-Darwinian explanations for some of the results. Even so, more and ...

... Science Frontiers ONLINE No. 72: Nov-Dec 1990 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Upwardly directed lightning from cloud tops "An image of an unusual luminous electrical discharge over a thunderstorm 250 kilometers from the observing site has been obtained with a low-light-level television camera. The discharge began at the cloud tops at 14 kilometers and extended into the clear air 20 kilometers higher. The image, which had a duration of less than 30 milliseconds, resembled two jets or fountains and was probably caused by two localized electric charge concentrations at the cloud tops." (Franz, R.C ., et al; "Television Image of a Large Upward Electrical Discharge above a Thunderstorm System," Science, 249:48, 1990.) Comment. Note that the above discharges were diffuse and quite unlike most cloud-to-ground lightning discharges. They were, in fact, much like the mountain-top glows seen along the Andes. Also, one should ask where those "localized electric charge concen trations" came from and why they did not disperse. Reference, Upwardly directed "rocket lightning" is cataloged in GLL1 in our catalog: Lightning, Auroras. Fuller description here . From Science Frontiers #72, NOV-DEC 1990 . 1990-2000 William R. Corliss ...

... Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects More evidence for galactic "shells" or "something else"Measurements of periodic red-shift bunching appeared in the literature at least as far back as 1977 in the work of W.G . Tifft. The implications of this phenomenon are apparently too terrible to contemplate, for astrophysicists have not taken up the challenge. They may be forced to take the phenomenon more seriously, because two new reports of redshift bunching have surfaced. First, B. Guthrie and W, Napier, at Edinburgh's Royal Observatory, have checked Tifft's "bunching" claim using accurately known red shifts of some nearby galaxies. They found a periodicity of 37.5 kilometers/second -- no matter in which direction the galaxies lay. (Gribbin, John; "' Bunched' Red Shifts Question Cosmology," New Scientist, p. 10, December 21/28, 1991.) The work of Guthrie and Napier is elaborated upon in the next item. Sec ond, B. Koo and R. Krone, at the University of Chicago, using optical red-shift measurements, discovered that, in one direction at least , "the clusters of galaxies, each containing hundreds of millions of stars, seemed to be concentrated in evenly spaced layers." (Browne, Malcolm W.; "In Chile, GalaxyWatching Robot Seeks Measure of Universe," New York Times, December 17, 1991. Cr. P. Gunkel.) Comment. Explanations for the unexpected bunching vary and ...

... Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Ups And Downs Of Spook Hill The appearance of an article on Spook Hill in the Wall Street Journal of October 25, 1990, induced G. Wilder to have a look for himself. After all, when the conservative Wall Street Journal admits to being "baffled," there must really be something to the phenomenon! Spook Hill is located on a section of road in Lake Wales, Florida. Here, at Spook Hill, the road "seems" to slope downhill, but yet cars in neutral apparently roll up the incline. Wilder, a member of the Tampa Bay Skeptics, made several pertinent observations during his investigation: "( 1 ) Although the phenomenon is striking when one approaches Spook Hill from one direction, if one gets out of the car and looks back, it is quickly apparent that one's senses have been deceived. Because the illusion fails when one looks in the opposite direction, the road has been made one-way, so that tourists will not be disappointed! "( 2 ) A storm drain is positioned at the true low point of the road, and cars seem to roll up to the drain. Water, in its gravitational wisdom, knows where to go! Neither were the city engineers fooled." Conclusion: Spook Hill is only an amusing illusion; there is no gravitational anomaly. (Wilder, Guss; "Spook Hill: Angular Vision," Skeptical Inquirer, 16:58, 1991.) From Science Frontiers #79, JAN- ...

... west of the Capitol, which controls the military and civilian traffic of the entire Belgian territory. The range of the two radars is 300 kilometers, which is more than enough to cover the area where the reports took place...Headquarters determined to do some very precise studies during the next 55 minutes to eliminate the possibility of prosaic explanations for the radar images. Excellent atmospheric conditions prevailed, and there was no possibility of false echoes due to temperature inversions. ". .. at 0005 hours the order was given to the F-16s to take off and find the intruder. The lead pilot concentrated on his radar screen, which at night is his best organ of vision. The F-16 is equipped with very sophisticated equipment, including chase radar, which is not fixed directly ahead of the airplane, but makes a wide search in an arc' of 90 degrees left and right of the nose... "Suddenly the two fighters spotted the intruder on their radar screens, appearing like a little bee dancing on the scope. Using their joy sticks like a video game, the pilots ordered the onboard computers to pursue the target. As soon as lock-on was achieved, the target appeared on the screen as a diamond shape, telling the pilots that from that moment on, the F-l6s would remain tracking the object automatically. "[ Before the radar had locked on for six seconds] the object had speed up from an initial velocity of 280 kph to 1,800 kph, while descending from 3,000 meters to 1, ...

... Science Frontiers ONLINE No. 75: May-Jun 1991 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Unusual electrical (? ) phenomena November 24, 1975. Tendele Hutted Camp, Drakensberg Mountains, South Africa. The following observations were made during violent electrical storms. "Around 10pm, WN observed a luminous vertical column in an easterly direction which appeared suddenly at a location low on the hillside on the far bank of the Tugela River at a distance of about 1km. This stationary light column seemed to have the dimensions of a pencil stub (approx. 50mm x approx. 7mm) held vertically at arm's length. The column, which had a bluish glow like a fluorescent tube, was visible for about 5 to 10 seconds. .. .. . "At 11.15pm, when the intensity of the storm had abated and the sky was lit intermittently with flashes of sheet lightning, the writer saw a luminous spherical object, seemingly of golf to tennis ball size, moving rapidly with an apparently vertical undulating motion from left (northeast) to right (southwest) on a horizontal course in the general direction of Mont-Aux-Sources (3282m) where the Tugela River has its origin. This sighting lasted 2 to 3 seconds. About 3 minutes later, another similar object crossed the field of view, following the same course as the first object and showing about 2 or 3 undulations in its passage. At midnight, a third object was seen having the same characteristics as the first two objects. ...

... Science Frontiers ONLINE No. 72: Nov-Dec 1990 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Wagnerian Sands Of The Desert "The sun was sinking in the west African afternoon when we plunged into a wild Land Rover ride across the dunes. Within moments we lost all sense of direction, regaining it only momentarily when we caught a glimpse of the sea, as we sped along the notorious Skeleton Coast of Namibia. When we finally stopped, it was at the top of a crescent-shaped behemoth. On the inside of the curve, the dune was a good 200 feet high and as close to vertical as a sand dune gets. "We gathered timidly at the edge of the precipice. But our guide, seemingly bent on suicide, sat down at the crest and started to slide down the dune face, the seat of his pants sending a small cascade of sand slithering to the bottom. Instantly, the entire dune began to pulsate, groaning and grumbling, as if armies of Frank Herbert's sand-worms from Dune were chewing their way to the surface. In a moment, all of us were laughing and scooting down the dune, the unearthly roar echoing in the natural amphitheater." What a delightful introduction to one of Nature's light-hearted anomalies! Such booming dunes and roaring sands may be found in thirty-or-so localities all over the world, mostly in desert envi-ronments. Most of the booming dunes are composed of quartz sands, the main exception being ...

... Science Frontiers ONLINE No. 69: May-Jun 1990 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Mystery Of The Missing Comets A key feature of our solar system is the Oort Cloud of comets that surrounds the sun and its family of planets. No one has yet seen the Oort Cloud directly, but the textbooks say that it must be there. In fact, all stars like our sun with planetary systems should have their own private Oort Clouds of comets - if the prevailing theory of planetary-system formation is correct. When we see a comet looping around the sun, it is because it has been jostled loose from the Oort Cloud by a passing star or molecular cloud. Further, some of these jostled comets should be kicked outwards and thus escape the solar system. Continuing with this reasoning, we on earth should sometimes see interstellar comets that have been shaken loose from other stellar systems. But we don't ! T.A . McGlynn and R.D . Chapman worry about this. "This lack of detections of extrasolar comets is becoming an embarrassment to the theories of solar system and comet formation." McGlynn and Chapman calculate that we should have seen six interstellar comets in the past 150 years, but the actual number is zero. Such interstellar comets would be easy to spot because they would be moving much faster than our own comets. Two possible explanations for the missing interstellar comets are: (1 ) The Oort Cloud theory is wrong; and (2 ) Solar systems like ours are rarer ...

... Science Frontiers ONLINE No. 79: Jan-Feb 1992 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Mercury's polar caps and icy minicomets Mercury, closest planet to the sun, should be baked bone dry, seeing that equatorial temperatures reach 800 F. When Mariner 10 flew past Mercury in 1974, its camera eye reinforced the baked-cinder model. To everyone's surprise, recent radar images obtained with powerful earth-based antennas, revealed a highly reflective patch at Mercury's north pole. Could it be ice, for ice reflects radar waves well? Quite possibly, for when Mercury's polar temperatures are calculated, away from the sun's direct glare, they plunge to -235 F. This means that some of the water vapor in the planet's thin atmosphere might freeze out in the poles, creating ice or frost caps. Wouldn't Mariner 10 have seen such a remarkable deposit? Not necessarily, for the spacecraft viewed only half the planet and, if the 640 x 300-kilometer ice patch were covered with dust, it could have been invisible to the camera. But it would still be a bright patch on terrestrial radar scopes, because radars see through thin dust layers. So, polar ice is not physically impossible on Mercury, although it is defi nitely surprising so close to the sun. All that is needed is a little water in the planet's atmosphere. Mainstream thinking is that "passing comets and asteroids" might bequeath Mercury some of their H2O ...

... The Ger-man blackcaps fly southwest and the Austrian southeast--routes 50 apart. A. Helbig has crossed the German and Austrian blackcaps to see what route(s ) their hybrid offspring would take. Curiously, they favored a route intermediate between those of their parents. The hybrids' route -- bisecting those of the parents' -- would take the hybrids right into the Alps, where survival would be unlikely. (Day, Stephen; "Migrating Birds Use Genetic Maps to Navigate," New Scientist, p. 21, April 21, 1991.) Comment. The puzzle at hand concerns those purported genetic maps. Presumably, the hybridization of the two blackcaps involves the melding to two different, highly specific, maps and sets of migration instructions; possibly including compass directions (astronomically or magnetically determined), landmark locations, and even characteristic pathway odors. How can such instructions be combined (perhaps averaged) to draw up entirely new navigation instructions for a route the parents have never taken? From Science Frontiers #77, SEP-OCT 1991 . 1991-2000 William R. Corliss ...

... Solomon's legendary gold lines." After being startled by the introductory paragraph, it is anticlimatic to discover that the explorer in question is G. Savoy. He states that he has found three tablets, each weighing several tons, measuring about 5 x 10 feet. The site is a cave near Gran Vilaya, in the Peruvian Andes. Engraved on these hefty tablets are inscriptions that appear to be Phoenician or Semetic hierogly phics. (Anonymous; "Mysterious Tablets Found in the Andes," San Francisco Chronicle, December 7, 1989. Cr. J. Covey.) Comment. Combining this item with the preceding one, there is an implication that advanced Peruvian civilizations may have benefited from contact with early voyagers from the Old World! Or did the traffic begin in the reverse direction? From Science Frontiers #67, JAN-FEB 1990 . 1990-2000 William R. Corliss ...

... Subjects The Gruyerizaton Of Switzerland An impressive and equally inexplicable variety of the cookie-cutter holes has been reported in Switzerland. In these excavation phenomena, all the material removed from the holes has disappeared instead of being translated intact and set down gently nearby. "The Swiss holes were first observed in 1972. They always occur at night and no one has ever seen them forming. They are circular, drilled deep into the earth, and are created by the total removal of vegetation and soil. A large fleet of lorries would be needed to move the quantities of earth involved, but there are no vehicle marks around the holes. The grass and plants around them exhibit none of the minor damage which would inevitable be caused by any normal process of drilling. The holes have all been excavated directly from above, at an angle of 90 degrees to the surface." Six Swiss holes have been reported from the environs of Lake Geneva. The two largest are at Begnins (December 17, 1982; 18 feet across, 24.5 feet deep) and Confignon (February 3/4 , 1990; 33 feet across, 40 feet deep). Obviously, we are not dealing with minor earth-moving operations here. (Anonymous; "The Gruyerization of Switzerland," The Cerealogist , no. 3, p. 26, Spring 1991. The Cerealogist is a British publication focussing on the crop-circle phenomenon.) Comment. Could the "force" flattening the crop circles also gouge out cookiecutter holes and the Swiss cavernous pits? Additional information on the Swiss excavations ...

... Science Frontiers ONLINE No. 73: Jan-Feb 1991 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Win $2000: challenge einstein H. Hayden and P. Beckmann are offering $2000 to anyone who can cite, not necessarily perform, an experiment proving that light travels westward at the same velocity that it travels eastward on the earth's surface (to an accuracy of 50 meters/second). If the speeds are indeed the same, then Einstein's assumption that the speed of light is the same in all directions regardless of the motion of the observer will be proven. Then skeptical scientists like Hayden and Beckmann, will rest easier. But suppose the east and west velocities of light are different? Then Special Relativity would collapse. Hayden and Beckmann do not dread this at all. In fact, they (and others) point out that some of the vaunted experimental "proofs" of Special Relativity can be explained in other ways. For example: (1 ) The bending of starlight passing close to the sun can easily be accounted for using Fermat's Law; and (2 ) The advance of Mercury's perihelion was explained by P. Gerber, 17 years before Einstein's 1915 paper on the subject, using classical physics and the now accepted assumption that gravity propagates at the speed of light. As for the famous Michelson-Morley experiment, Michelson (an unbeliever in Relativity) believed that he and Morley failed to detect ether drift because the ether was entrained with the earth as ...

... Science Frontiers ONLINE No. 71: Sep-Oct 1990 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects PALEOMAGNETIC PITFALLS "Magnetism in rocks has provided a traditional tool for studies of the Earth's geomagnetic field. These studies have tended to rely on the assumption that the direction of magnetization was 'frozen in' during formation of the rock. But many sedimentary rocks formed during the Palaeozoic acquired their remanent magnetization through alteration processes that occurred after deposition of the sediment. The causes and geological significance of this phenomenon have been much debated." The foregoing paragraph is enough to send shivers throughout the geological world. Does this undermine paleomagnetism and generalizations flowing from it, such as plate tectonics? The "alteration processes" mentioned in the above quotation include: (1 ) The chemical conversion of pyrite into magnetite in ancient rocks after they were deposited; and (2 ) The reorientation of remanent magnetization following exposure to moderately high temperatures. That these processes can be important is evident in a second quotation: "During the past eight years, however, evidence has accumulated that the remanent magnetization of many carbonate sediments was not acquired at the time of deposition, thereby invalidating some previous interpretations of the palaeomagnetic data. Instead, magnetization seems to have been acquired over a limited time span during the late Palaeozoic, from about 310 to 250 million years ago." (Reynolds, Richard L.; "A Polished View of Remagnetization," Nature, 345: 570, 1990.) Reference. Many other problems afflict paleomagnetism. See: ...

... " especially Viking mooring stones! In truth their real purpose is unknown. How old are the holes? Weathering of those in granite suggest ages of at least several hundred years - well before the westward push of American settlers. The peculiar shape of the holes seems to rule out production by modern drills (usually round) for purposes of blasting or installation of surveyors' markers. Another puzzle, probably related to the purpose of the holes, is the presence of large, smooth grooves on some of the boulders bearing the triangular holes. The technique of "cam wedging" may lead us to the purpose of the holes. If one inserts a triangular shaft into such a hole and rotates it part of a turn, the shaft becomes firmly wedged in place. A rotation in the opposite direction quickly frees the shaft. It does seem that the mooring-stone hypothesis is consistent with cam-wedging. (Olson, John J.; "' Mooring Stones': An Enigma Deserving More Attention," Epigraphic Society, Occasional Publications, 18:253, 1989.) Comment. Before climbing on the Viking bandwagon, it is reasonable to ask whether the Vikings drilled the same holes in Europe. From Science Frontiers #69, MAY-JUN 1990 . 1990-2000 William R. Corliss ...

... Science Frontiers ONLINE No. 83: Sep-Oct 1992 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Wrong-way waterspout September 28, 1991. Aboard the m.v . Staffordshire in the western Mediterranean. On this date, between 0555 and 0810 UTC, observers on the bridge counted 15 waterspouts, one of which was anomalous: "At 0722 the two spouts furthest forward and the one on the beam dissipated leaving one which was of quite a large diameter, about 20 m as seen at a range of about 300 m. The direction of rotation of the water in the spout was clearly seen. Although the observers were aware that the direction of rotation should be anticlockwise in this case, they decided (with great surprise) that the direction of this particular one was clockwise. The only other spout that passed closer, within 15 m, was very weak, but the direction of rotation at the surface was clearly anticlockwise." (Edwards, R.A .F .; "Waterspouts," Marine Observer, 62:113, 1992.) All Northern Hemisphere waterspouts should rotate anticlockwise. From Science Frontiers #83, SEP-OCT 1992 . 1992-2000 William R. Corliss ...

... Science Frontiers ONLINE No. 88: Jul-Aug 1993 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Blasted By A Beam Weapon On The Edge Of Space January 31, 1993. Aboard NASA's Compton Gamma Ray Observatory. This satellite detected a gammaray burst containing ten times more energy than any other burst ever observed. It was one hundred times stronger than any known constant source of gamma rays. Even so, careful searches with ground-based telescopes found nothing visible in the direction of the burst. Scientist B. Dingus remarked: "It's clear that it is unique event that liberates more energy in a few seconds than any other process in the Universe." Gamma-ray bursts remain one of the outstanding mysteries of astronomy. The depth of the mystery is underscored by the belief that the gamma rays must be confined to a narrow beam by their sources, rather than being emitted in all directions. No one knows how this focussing might be accomplished. Also, since we detect only those bursts that happen to be aimed at the earth (at a rate of about one per day), there should be a colossal number of bursts that we are unaware of. Yet, we cannot divine what these common, immensely powerful energy sources are. (Kiernan, Vincent; "Blasted by a Beam Weapon on the Edge of Space," New Scientist, p. 13, May 8, 1993.) From Science Frontiers #88, JUL-AUG 1993 . 1993-2000 William R. Corliss ...

... Science Frontiers ONLINE No. 80: Mar-Apr 1992 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Concentric, rotating luminous rings seen in sweden On an evening in late January, 1991, near Borlange, Sweden, four observers watched what seemed to be a system of luminous rings for about 15-20 minutes. The rings were estimated to be 2-5 kilometers away and 10-30 meters in size. E. Witalis has provided a direct translation of their report. "The light phenomenon, which was strongly luminous, consisted of scintillating, rotating rings arranged as a system of plates (small rings in the centre and increasingly large ones towards the edges). The rings seemed to consist of sparks running around in a circular or slightly elliptical path with an impressive speed. Spontaneously I associated them with electrical discharges. The plate shape was felt as being in some way static as to location, and the sparks moved in a pattern without spreading out at the edges. It seemed that strong force was controlling the event. The sparks looked like having a core and a 'tail' behind. They looked like being able to crackle but no sound was heard, perhaps because of the distance. It was interesting to note that the rings were spinning in opposite directions. The effect clearly illuminated the surrounding air space. The whole light phenomenon took place with knifesharp edges in clear weather (temperature between -1 and -3 deg. C." (Witalis. Erik; "An Air Plasma Whirl, Seen in ...

... Science Frontiers ONLINE No. 81: May-Jun 1992 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Auroral Sounds March 13, 1989. This night on a cattle ranch in South Dakota, L. Hasselstrom was dazzled by waves of blue auroral light sweeping up from the horizon and meeting at a focal point nearly directly overhead. As the sky blazed, with the blue waves and crimson streamers, she heard: ". .. a distant tinkling, like bells. It came again, louder, just as a curtain of green light swept the entire width of the sky from north to south. Each time green flushed the sky, the bells rang, the sound softening to a gentle tinkle as the light died." (Hasselstrom, Linda; "Night of the Bells," Readers Digest , p. 185, April 1992. Cr. J.B . Dotson.) Comment. Note the correlation of the sound with the green portion of the aurora. July 29, 1990. On Coll Island in Centennial Lake, 120 kilometers west of Ottawa. Watching an auroral display, L.R . Morris heard the sound of the aurora: "It was a faint but distant windlike sound; which, by process of elimination, could not be accounted for by any phenomenon other than the aurora." (Anonymous; "Auroral Sounds," Sky & Telescope , 83:105, January 1992. Cr. D. Snowhook.) Comment. Auroras have been heard for centuries, but they "shouldn ...

... No. 105: May-Jun 1996 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Nether Universe Of Life Bacteria well-adapted to high temperatures have been brought up from oil wells thousands of miles apart. All indications are that these bacteria are indigenous to the wells; that is, not introduced by the drilling fluids. What is most interesting is the fact that these bacteria are all closely related despite their remoteness from each other. They not only look and behave alike, but they also share 98.2 % of their 16S ribosomal RNA sequences. M. Magot asks what an anomalist would ask. "For example, where are these bacteria from? How did they succeed in colonizing these habitats?...Are these microorganisms directly descended from bacteria that were trapped during the formation of the oil, or accompanied its migration through tens to hundreds of millions of years? Did they arrive in the oil field later as a consequence of aquifer activity? What is their mode of maintenance and development in their environment?" (Magot, Michel; "Similar Bacteria in Remote Oil Fields," Nature, 379:681, 1996) Comment. Bacteria have also been extracted from mineral-charged fluids circulating in drill holes over 12 kilo meters deep and also in deep aquifers. There must be an unexplored universe of life thriving not only beneath our feet but also - quite possibly - beneath the forbidding surface of Mars. Reference. Examples of life thriving at great depths in the earth may be found in ESB9 in our ...

... ONLINE No. 87: May-Jun 1993 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Calculating prodigies, gnats, and smart weapons In a thought-provoking letter to New Scientist, J. Margolis commences with the observation that calculating prodigies (idiot savants), who are often also mentally retarded, can easily and almost instantaneously recognize 20-digit prime numbers! Gifted mathematicians with so-called photographic memories cannot perform such mental feats using known methods for identifying primes. What do the calculating prodigies know that the rest of us do not? Better algorithms; that is, calculating methods? Margolis expands on this: "All this suggests some relatively simple, subconscious algorithms which have not, as yet, been explicitly formulated. Research in this direction might well result in new mathematical insights. "It need not be surprising that mathematical insight is more fundamental than language. Even a primitive animal brain is 'wired" to perform exceedingly complex computations essential for survival in an unpredictable environment. The latest 'smart' weapons are rudimentary compared with a humble gnat. Mathematics could be a by-product of these functions. Language is a comparatively recent evolutionary innovation and it is quite possible that conscious manipulation of abstract symbols has not caught up with an innate ability to perceive quantitative relationships." (Margolis, Joel; "What Gnats Know," New Scientist, p. 58, January 30, 1993.) From Science Frontiers #87, MAY-JUN 1993 . 1993-2000 William R. Corliss ...

... 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 In The Dark About Dark Matter During our last two-month collecting cycle, four "dark matter" items worth mentioning turned up. A wider search undoubtedly would have netted many more, because dark matter is worrying a lot of astronomers. Observations of visible matter, the only kind we can see directly, suggest that most of the universe is, in fact, composed of dark matter. This conclusion comes mainly from the belief that something unseen (dark matter) is tugging on visible matter, making it do things the laws of motion say it should not do. All visible bodies, therefore, seem to be careening about in a dense cloud of unseen, unknown masses. These might be dark, Jupiter-sized objects, black holes, and/or some exotic forms of matter. We must choose between the reality of dark matter or admit that something is awry with our laws of gravitation and motion when they are applied on a cosmological scale Now, let us examine those four darkmatter items from the recent literature: D. Lin, a University of California astronomer, has shown that the Large Magellanic Cloud that orbits around our own galaxy (the Milky Way) is being torn apart (" cannibalized") by the powerful gravitational pull of a dense cloud of dark matter surrounding the Milky Way. This dismemberment of the Large Magellanic Cloud cannot be explained by the gravitational forces exerted by the stars in our galaxy ...

... Science Frontiers ONLINE No. 80: Mar-Apr 1992 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The Steens Mountain Conundrum The layered lava flows of Steens Mountain, in southeastern Oregon, have preserved video-like records of the earth's magnetic field as it switched from one polarity to another about 15.5 million years ago. The scientific "instruments" here are the cooling lava flows. As they solidify from the outside in, a process taking about 2 weeks for a 2meter-thick flow, the lava is magnetized in the direction of the field prevailing at the moment of solidification. We would thus have a 2-week continuous record of the behavior of the earth's field. Ordinarily, we would not expect to see very much change in 2 weeks; even a reversing field is thought to take thousands of years to complete its flip-flop. However, at Steens Mountain, when the field reversed 15.5 million years ago, the lava flows suggest that the field's axis was rotating 3-8 per day -- incredibly fast according to current thinking, in fact a thousand times faster than expected. The conundrum (one might call it a scientific impasse) arises because the flowing electrically conducting fluids that supposedly constitute the earth's dynamo would have to flow at speeds of several kilometers/hour. No one has ever contemplated molten rock moving at such speeds in the core! (Appenzeller, Tim; "A Conundrum at Steens Mountain," Science, 255:31 ...

... Science Frontiers ONLINE No. 81: May-Jun 1992 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Galaxy Spins Wrong Way We have all seen impressive photographs of spiral galaxies with their whirlpool patterns. One can easily imagine them spinning ponderously, with streams of stars spiraling out behind the rotating core. This picture is intuitively satisfying from a mechanical point of view. But: "A galaxy with a spiral arm going the wrong way has been found by astroomers in the U.S . Spiral arms usually trail behind as a galaxy turns, but in NGC 4622 an inner arm is wrapped round the galaxy in the direction it is rotating." (Mitton, Simon; "Puzzle of Galaxy That Points Two ways," New Scientist, p. 22, February 29, 1992.) From Science Frontiers #81, MAY-JUN 1992 . 1992-2000 William R. Corliss ...

... in case you wondered) defines "eusociality": "The weevil Austroplatypus incompertus lives in galleries in the heartwood of Eucalyptus trees. Colonies are initiated by solitary fertilized females and, when mature, manifest the three phenomena which characterize eusociality: overlapping generations, cooperative brood care and division into reproductive and sterile (unfertilized) castes. Each colony contains one fertilized and five or so unfertilized adult females, the job of the second group being to deal with predators and to extend and maintain the galleries." (Anonymous; "Sociable Beetles," Nature, 356:111, 1992.) Comment. Eusociality is somewhat of a puzzle in evolutionary theory because one must ask how the phenomenon arises, when it requires some individuals to forswear reproduction and thus give up the chance to pass their genes directly on to progeny. Explanations of such extreme altruism generally state that the nonbreeders are really helping to pass some (or even all) of their genes on by supporting the colony, for they are usually closely related to the breeding female. From Science Frontiers #81, MAY-JUN 1992 . 1992-2000 William R. Corliss ...