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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 Whence the 200,000 logs of chaco canyon?Previously (SF#46), we introduced you to one of the many mysteries of New Mexico's Chaco Canyon; namely, the unknown source of the huge numbers of logs required to roof the many structures in this fantastic complex. (Pueblo Bonito alone contains some 600 rooms!) As many as 200,000 pine and fir trees had to be cut down and transported as much as 50 miles, for no sizable trees grow near Chaco Canyon today. There is no consensus as to where all these trees were felled. S. Durand, an archeologist from Eastern New Mexico University, Portales, has developed a technique for identifying the sources of logs. He tries to match trace elements in the Chaco Canyon logs with those in living trees in today's forests. The different bedrocks underlying the various forests supply different quantities of such trace elements as barium and manganese. Preliminary results suggest that the early building period in Chaco Canyon, circa 900 AD, employed trees from many different sites. During the peak building period a century later, all logs used carried the same concentrations of trace elements and, therefore, probably came from the same forest. Durand's next step is to locate this forest and figure out how the builders of Chaco Canyon, the Anasazi, managed to tote the logs, some weighing 600 pounds, 50 miles or more. ( ...
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... Science Frontiers ONLINE No. 97: Jan-Feb 1995 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology The "inscribed wall" at chatata, tennessee Whence the 200,000 logs of chaco canyon? Astronomy How can some stars be older than the universe itself? Did the universe have a beginning? Solar-system puzzles Biology Fruit dupe Possible survival of giant sloths in south america The early (and persistent) insect catches the bird! Geology The earth's most common topographical feature: abyssal hills The 627-foot water slide between australia and india The age of fire and gravel Geophysics Football-sized snowflakes A LINE IN THE SEA Rubber duckies chase nike shoes across pacific Psychology A MAJOR STUDY OF DOWSING Mentally influencing the structure of water Does the past influence the future? ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Close Encounters With Unknown Missiles In addition to all those alien-controlled UFOs in terrestrial airspace, human pilots sometimes encounter bizarre missiles or objects of enigmatic origin. C. Svahn and A. Liljegren have collected several intriguing cases. Here follows the so-called "Britannia Encounter": "A few weeks later, on July 15 [1991], another Britannia Airways Boeing 737 on a holiday flight from Crete to Gatwick (London) had a similar encounter, this one at 5:45 p.m . Descending 15,000 feet, the copilot caught sight of a "small black lozenge-shaped object" some 500 meters ahead and above. The object was on a collision course, and within two seconds it passed the aircraft's wing at a distance of only 100 meters at less than 10 meters above the wing. The crew felt no impact or wake, and the passengers were not alerted. The pilot assessed the risk of collision as high. When reported to London Air Traffic Control Center, the missile was picked up on radar moving away from the aircraft. It was moving at 100 mph in a southeasterly direction and was no known traffic since it had no transponder to identify it. Another aircraft was warned since the unknown target appeared to turn and head toward it, but the other aircraft saw nothing. The radar target, however, may have been a helicopter at a lower altitude. " ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Cold fission?That's right: "fission" not "fusion." A recent number of Science News carries an intriguing suggestion from J. Brind: "Has anyone considered the possibility that the anomaly of "cold fusion" experiments -- high energy yields with few neutrons or tritium nuclei -- might result from a case of mistaken identity? There are a number of nuclear fission reactions that produce neither neutrons nor tritium, yet yield large quantities of energy." One such reaction is: 7Li+ 1H = 2(4He)+ 17.3 MeV. This is a very clean nuclear reaction that might one day be harnessed for everyday use, given lithium's low cost and abundance. The "cold fusion" effects could well come from captures of deuterons by 6Li, which is present in natural lithium. (Brind, Joel; "Cold Fission?" Science News, 137:163, 1994.) From Science Frontiers #96, NOV-DEC 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Psi Phenomena And Geomagnetism The item on solar wind and hallucinations in SF#95 brought varied responses. It seems that several psi phenomena have been correlated with geomagnetic activity or the lack of it. For example, A. Gauld sent a copy of a long paper that he and H.P . Wilkinson wrote entitled: "Geomagnetism and Anomalous Experiences." We have room for only a short section of their abstract: " .. .in the end we were left with a residuum of positive findings: (a ) There is a weak but persistent statistical relationship between lowish absolute levels of geomagnetic activity and the occurrence of spontaneous cases of apparent telepathy/clairvoyance. (b ) There is a small tendency for the days on onset of cases of poltergeists and hauntings to be days of higher-than-usual geomagnetic activity. What underlies these observed relationships remains to be determined." Gauld noted in his letter of transmittal that the conclusions of Wilkinson and himself were at variance with the item in SF#95. (Wilkinson, H.P ., and Gauld, Alan; "Geomagnetism and Anomalous Experiences, 1868-1980," Society for Psychical Research, Proceedings, 57:275, 1993.) Another pertinent paper was presented at the 1994 meeting of the Society for Scientific Exploration in Austin. Employing data collected at the Maimonides Dream Laboratory from a subject with apparently telepathic dreams, S. Krippner and M ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Remarkable Straw Fall Summer of 1994, Bucks., England "Engineer Ken Davey thought he had stepped into a scene from the Bible when he saw tons of straw falling from the sky. "The 42-year-old, of Holtspur Avenue, Wooburn Green, was leaving work at Glory Mill Papers, Glory Mill Lane, on Thursday when he noticed the whole building was covered in straw. "He suddenly realised everyone was staring upwards at objects descending from the sky. "He said: "I looked up and these massive lumps -- some as big as bales -- were gracefully floating down. It was beautiful. .. .. . "Mr. Davey estimated as much as ten tons of straw had fallen. The whole of the surrounding area was covered in it." (Anonymous; "Glory! Glory! Haylelujah ," Midweek, Bucks Free Press, July 19, 1994. Cr. A.C .A . Silk) Comment. Rarely during haying season, we have seen whirlwinds drape trees and utility wires with wisps of hay -- but 10 tons of straw? Never even close! However, equally prodigious falls of hay and leaves were occasionaly remarked upon in the scientific journals of the last century. See GWF6 in Tornados, Dark Days, etc. Ordering information here . From Science Frontiers #96, NOV-DEC 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Unusual Lunar Halo July 29, 1993. North Pacific Ocean. From the m.v . BP Admiral . "At 1045 UTC a large, very well defined and complete halo was seen around the 10-day-old moon. Vertical angles were taken by sextant while horizonal angles were found by gyro repeater. ". .. the area inside the halo was inky black with the inner edge of the halo being very clear cut and well defined; a 'spiked' effect was seen on the outer edge." (Ronald, J.M .; "Halo," Marine Observer, 64:105, 1994.) Comment. The angular diameter of the halo is normal, but the inky black interior is very rare. The same dark effect is sometimes seen between primary and secondary rainbows and has an acceptable explanation. However, the radial spokes are not accounted for by halo theory. From Science Frontiers #96, NOV-DEC 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The 536 ad dust-veil event Circa 536 AD, our planet suffered a great geophysical calamity, as proved in tree-ring measurements and human records of the period. Until astronomical catastrophism became more fashionable in recent years, the so-called "dust-veil" event of 536 AD was blamed on a huge volcanic eruption. Work by M.G .L . Baillie now casts doubt upon interpretation. "Now tree-ring data, published by Professor Mike Baillie of Queens University of Belfast, has brought catastrophes almost into modern times. The tree rings show that in the mid 530s -- just about the time civilisation on Earth suffered a sharp setback -- there was a sudden decline in the rate of tree growth which lasted about 15 years. Clearly, something dramatic had happened. "There are two possibilities: a huge volcanic eruption or a collision between the Earth and a solid object: an asteroid or comet. Ice-cores drilled from Greenland show no evidence of large-scale volcanic activity at that time, so Professor Baillie and others now believe a cosmic impact is more likely. The result would have been to throw up a huge veil of dust and debris, cooling the Earth and producing widespread crop failures." (Anonymous; "Raining Death and Dark Ages," London Times, July 27, 1994. Cr. A. Rothovius) In the scientific literature, Baillie has elaborated ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Underwater Thumps "Scientists based on the central California coast are trying to identify the origin of a mysterious underwater sound that disturbed surfers and divers for three weeks -- and then just as mysteriously disappeared. "The sound, made up of thumps occurring at 10-second intervals, was compared by one diver to five or six giant bongo drums going off simultaneously. Most experts have concluded that it was of human origin." As usual in such cases, no governmental or military sources knew anything about the thumps. (Shurkin, Joel N.; "Underwater Thumps Baffle Ocean Scientists," Nature, 371: 274, 1994.) From Science Frontiers #96, NOV-DEC 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Two really deep oceans During our latest anomaly-collecting cycle, we came across two reports on apparently identical phenomena. Neither article mentioned the work of the other! Both groups of scientists processed massive quantities of earthquake records to form "seismic images" of structures deep in the bowels of the earth. (The technique is called "seismic tomography.") Both groups have discerned huge slabs of crust that were once on the planet's surface but were subsequently thrust (" subducted") down under the continents. These slabs are now hundreds of kilometers below the surface, and they have dragged water along with them. In fact, their water inventories may rival today's surface oceans; they may even have been surface oceans themselves millions of years ago before they descended into the infernal regions. Only a few years ago, all geologists maintained that all water in subducted slabs was squeezed out of the rocks by immense pressure and later reappeared at the surface as volcanic steam. Deep ocean #1 . G. Nolet and A. Zielhuis, Princeton seismologists, report a huge reservoir of water about 900 kilometers under present-day Europe. Some 400-500 million years ago, there was an ocean in this locale. (Zimmer, Carl; "The Ocean Within," Discover, 15:20, October 1994.) Deep ocean #2 . H. Wysession, Washington University, has located a water ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Satellite Spies Strange Stripes ERS-1 , Europe's remote-sensing satellite, snapped some pictures of Australia's Nullarbor Plain that have geologists scratching their heads. The Nullarbor Plain, which has long been billed as a vast, featureless desert, is crossed by five long, parallel lines, 15 kilometers wide and 600 kilometers long. These huge stripes would seem to be too big to miss, but ground-based surveys see nothing obvious. Even more curious, infrared sensors on a US weather satellite also see the five stripes. As the Nullarbor Plain cools off at night, the stripes are found to be about 2 C cooler than the surrounding terrain. Could they be fault lines? Geologists have not found any in the area. (Anderson, Ian; "Satellite Spies Strange Stripes in the Desert," New Scientist, p. 10, September 3, 1994.) Comment. Are these stripes akin to the man-made Nazca lines etched upon Peru's high desert? Not likely; they are too big. Instead, we wonder whether they might be associated with the Nullarbor Plain's massive lode of meteorites. (SF#80) From Science Frontiers #96, NOV-DEC 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 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. ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Why do flying fish have such colorful wings?As he sailed tropical seas, A.D .G . Bell, in command of the ship Gandara , mused over this question: "Apart from the ones which quite graphically show the lift-off from the water, the other thing that interested me was the wing colouring of brown and yellow, and turquoise. I have noticed during passages around the world how the colours do apparently change, varying from almost trans-lucent purple to a deep navy colour, and wonder how many other colourings of flying-fish wings have been reported. "I think that flying fish are just taken for granted but perhaps if we looked at them more closely, then we may see some really weird and wondeful colours, especially in island areas. What does baffle me, is why, when the wings are only extended during flight, they should be of differing colours. I could understand it if they were a coral-swimming fish where the colours are designed to help them blend into the coral colours and so evade capture, but why the need in flight over crystal clear waters like the Coral Sea?" (Bell, A.D .G .; ". .. and Whether Fish Have Wings," Marine Observer, 64:136, 1994. This journal may be ordered from: The Stationery Office Publications Centre, P.O . Box 276, London ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Too identical!" Identical twins were admitted to the same hospital with the same injury after separate accidents within the space of an hour. Liam Lynch, 6, of Cookham Rise, Berkshire, broke his collar bone climbing his garden fence, and his brother suffered the same fate after tripping while running. Both were taken to Wycombe General Hospital." (Anonymous; "Twins' Identical Mishaps," London Times, April 6, 1994. Cr. A.C .A . Silk) Cross reference. Cases of nearly simultaneous deaths of identical twins are collected in BHF35, in our catalog: Biological Anomalies: Humans II. Details here . From Science Frontiers #96, NOV-DEC 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Lunar Crater Chains The recent breakup of comet Shoemaker-Levi 9 into a long procession of fragments that subsequently crashed into Jupiter (SF#95) causes one to wonder whether similar events have occurred elsewhere in the solar system. On bodies with solid surfaces, the impacts of such processions would likely result in chains of craters. Jupiter's moon, Callisto, in fact, displays a dozen or so crater chains that might be attributed to processions of projectiles. The crater chain on the floor of the lunar crater Davy (Nasa) How about our own moon? H.J . Melosh and E.A . Whitaker have studied the close-up lunar photos and found two good candidates. The more spectacular lunar crater chain stretches 47 kilometers across the floor of the crater Davy. This chain consists of about 23 pockmarks each measuring 1-3 kilometers in diameter. A similar, more degraded chain is found in the crater Abulfeda. Melosh and Whitaker suggest that: ". .. the Davy and perhaps the Abulfeda chains were created by tidally disrupted 'rubble pile' asteroids." (Melosh, H.J ., and Whitaker, E.A .; "Lunar Crater Chains," Nature, 369: 713, 1994.) Comment. It is only natural to ask if the earth itself also bears the scars inflicted by similar processions of celestial debris. In SF#80, we described one ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The moon: still partly molten?Our long-time impression has been that our moon is a cold body, solidified eons ago, when its primordial ration of heat radiated away. But the lunar satellite Clementine -- tracked with great precision by lasers on earth -- undulates suspiciously as it orbits the moon. "The overall shape of the orbit traces the broad tidal bulges raised on the moon by Earth and the sun; the size and timing of the bulges depend on the moon's rigidity. The Clementine data show that somewhere, probably deep in its interior, the moon is not quite as rigid as solid rock would be. Most likely, part of the rock is still molten." (Kerr, Richard A.; "Clementine Mines Its First Nuggets on the Moon," Science, 264:1666, 1994.) From Science Frontiers #96, NOV-DEC 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The "kites" or "keyhole" structures of the middle east Thousands of walled structures decorate the deserts and plains of the Middle East. Most are V-shaped terminating in a cul de sac studded with large rock piles. (See illustration.) Most of the wall arms are 300-3 ,000 meters long. They are constructed of basalt rocks from ancient lava flows. Artifacts found nearby suggest ages of at least 7,000 years. Younger, but very similar, structures have been found in Central Asia. A. Betts of the University of Sydney has been exploring these walls and attempting to discern their purpose. The best explanation seems to be that the ancient inhabitants of the region drove herds of wild animals into the wide mouths of the kites and then slaughtered them when they were trapped at the corral-like ends. The worst explanation is that extraterrestrials built them for some unknown purpose! (Anderson, Ian; "Prehistoric Prey Met Death through a Keyhole," New Scientist, p. 15, September 24, 1994.) Comment. Some kite walls extend 30 kilometers (18 miles) and represent a considerable investment of labor. See also: Field, Henry; "Early Man in North Arabia," Natural History, 29:32, 1929. Of course, aliens could have herded ancient humans into the kites. Remember the classic sci-fi story: "To Serve Man ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology That little "roman" head from precolumbian mexico The "kites" or "keyhole" structures of the middle east Astronomy On the sun, south is almost everywhere The moon: still partly molten? Lunar crater chains Biology Too identical! Why do flying fish have such colorful wings? "ADAPTIVE" MUTATION Electric snakes Geology Satellite spies strange stripes Two really deep oceans Geophysics The 536 ad dust-veil event Underwater thumps Remarkable straw fall Unusual lunar halo Psychology Psi phenomena and geomagnetism Physics Cold fission? Mathematics Lazzarini eats humble pi (posthumously) Unclassified A CURIOUS STRING OF COINCIDENCES Close encounters with unknown missiles ...
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... Science Frontiers ONLINE No. 96: Nov-Dec 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects That little "roman" head from precolumbian mexico The miniature clay head illustrated below was discovered in 1933 in a burial offering in the archeological zone of Tecaxic-Calixtlahuaja, Mexico. The burial has been dated as from the 12th-13th centuries AD. The features of this little head can hardly be described as typical of Precolumbian Mexicans. In fact, it is often termed a "Roman" head. But is it really? And how did it get into a Pre-columbian burial site? Theory #1 . Some Mexican archeologists insist it is a post-Columbian artifact that somehow "filtered" down into a Pre-columbian site. Given that the head was retrieved from beneath three floors of stone and Indian cement, this theory seems questionable. Theory #2 . The head is truly of Roman origin and was transported to Precolum-bian Mexico from Southeast Asia by Chinese or Hindu voyagers. Theory 3. The author of the present article, R.H . Hristov, favors a Viking origin. The cap on the head and even the physiognomy have Norse overtones. The chronology is right, too, for the Vikings were exploring North America's east coast in the 11th century. Did they venture as far south as Mexico? Hristov points out: "It is well known that in this area very significant political-cultural perturbations occurred among the autochthonous civilizations between the 10th and 13th centuries AD. These ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Cold fusion update: 1994 Cold fusion, though duly interred by mainstream science, still flourishes at the periphery of science. The recent Third International Conference on Cold Fusion, held in Nagoya, Japan, drew 350 participants, including 50 from U.S . corporations and government laboratories. Hardly a wake! But also hardly a confirmation. Even with new results frequently reported, the incontrovertible, reproducible proof of cold fusion demanded by the scientific community still is lacking. A written confrontation between cold fusion protangonists and antagonists appeared in the March 1994 issue of Physics Today. The "pro" position was stated by E. Mallove, editor of the new journal: Cold Fusion : "The cold fusion phenomenon, in the view of many active in the field, is a spectacular new form of lattice-induced nuclear energy whose mechanism is still poorly understood -- as the mechanism of low-temperature superconductivity was for decades. That the nuclear products that have been found so far are incommensurate (by conventional theory) with the non-chemical-magnitude excess energies simply means that the results have to be explained by new physical mechanisms." Of opposite polarity 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 ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A DEEP-SEA HYDROTHERMAL VENT INSTEAD OF A WARM LITTLE POND?If earth life didn't arrive from outer space (See under ASTRONOMY.), it may have arisen a couple miles below the ocean's surface at hydrothermal vents. The curious glows recently remarked at these vents (SF#87) have stimulated much speculation as to the potential role of these glows in the origin of life: "The history of hydrothermal activity predates the origin of life, and light in the deep sea has been a continuous phenomenon on a geological time scale and may have served either as a seed or refugium for the evolution of biological photochemical reactions or adaptations." We formally classify this item under GEOPHYSICS because scientists are still pondering how these glows are created. Some of the light is obviously black-body radiation from the very hot (350 C) water but: ". .. other potential, narrow-band sources of light may be superimposed on the blackbody radiation spectrum, including crystaloluminescence, Cerenkov radiation, chemiluminescence, triboluminescence, sonoluminescence, and the burning of methane in supercritical water." (Van Dover, Cindy Lee, et al; "Light at Deep Sea Hydrothermal Vents," Eos, vol. 75, 1994.) Comment. If cold, diffuse molecular clouds in deep space can synthesize glycine, imagine what the hot, chemically-rich fluids around hydrothermal vents might be able to do. ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Sylvanshine: a newly recognized optical phenomenon Driving along a forested British Columbia road on a warm August night, A.B . Fraser noticed that some trees in the dark woods glowed spectacularly in the car's headlights -- almost as if they were covered with snow. Obviously snow was out of the question. Instead, the glow was some form of reflection from dew-covered leaves, and only from certain species of trees at that. "Later nocturnal expeditions with a powerful flashlight (a proceeding that aroused dark suspicions in at least one local gamekeeper) showed that it favoured only certain types of conifer and a few shrubs such as the yew and rhododendron. The explanation lies in the contact angle of the droplets on the leaves: as this rises above 90 degrees or so, the proportion of light from the car's headlamps that is reflected back towards the occupant increases, and for angles above 140 degrees, the retroreflection becomes spectacular. Blue spruces show the glow particularly well." (Matthews, Lindsay; "Reflections on a Summer's Night," Nature, 369:441, 1994.) From Science Frontiers #95, SEP-OCT 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Deep Quake Deepens Mystery Most earthquakes are shallow. They are concentrated no deeper than 20-25 kilometers down. However, a few extremely deep quakes rumble at depths of about 600 kilometers. On June 8, 1994, what may be the largest deep earthquake of the century -- magnitude 8.2 -- exploded 640 kilometers beneath Bolivia. "Exploded" may or may not be the proper word. Geophysicists are really not certain what causes the very deep quakes, because at 640 kilometers rocks are so hot that they flow rather than snap under geological stresses. The more common, shallow earthquakes are generally created when rocks snap and fracture. Since the deep quakes seem to be concentrated in subducted slabs of terrestrial crust that plunge down deep into the earth's mantle, geophysicists suppose that the increasing heat and pressure applied to the descending slabs may cause "explosive" phase changes in minerals contained in the slabs. Phase changes often involve volume changes that, if sudden, might generate seismic waves. Too, water of hydration in minerals may be explosively turned into vapor. But this is all surmise at present. The Bolivian quake also caused the whole earth to ring like a bell. Every 20 minutes or so, the entire planet expanded and contracted a minute but detectable amount. Another surprise: the Bolivian earthquake was felt a far away as Seattle -- the first time that a quake in that part of South ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects The urge to replicate: part ii In an earlier issue (SF#46), we related how the morphology of the megabats (the "flying foxes") displays primate overtones. The very idea that bats of any kind could be closely related to humans and apes was quickly dismissed by most zoologists. Flying mammals -- the bats -- evolved only once according to mainstream theory; later the Order Chiroptera (" hand-wings") split into the small, mainly insect-eating microbats and the large, fruit-eating megabats. It was all pretty obvious; how could such complex, specialized animals have evolved twice? But in Science Frontiers, there is ever the "however": "Arnd Schreiber, Doris Erker and Klausdieter Bauer of the University of Heidelberg have looked at the proteins in the blood serum of megabats and primates and found enough in common to suggest a close taxonomic relationship between the two groups. (Biological Journal of the Linnean Society, 51:359)" An explanation might be that the similarities between the microbats and megabats represent adaptations to similar environmental niches rather than a common ancestry. (Timson, John; "Did Bats Evolve Twice in History?" New Scientist, p. 16, June 4, 1994.) Comment. Does the black box labelled EVOLUTION contain a special subprogram for converting hands into membaneous wings whenever it seems profitable to do so? Or are we ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects It's according to hoyle and wickramasinghe The June 17, 1994 issue of Science did not ignore it. In fact, this conservative journal devoted almost an entire page to a paper presented by Yi-Jehng Kuan and Yanti Miao at the recent Minneapolis meeting of the American Astronomical Society. Students of L. Snyder, at the University of Illinois, Kuan and Miao reported that the amino acid glycine had been detected in a molecular cloud named Sagittarius B2. Glycine has only ten atoms and is the smallest of the 20 amino acids vital to life-as-we-know-it. The Science article supposed that this discovery of extraterrestrial glycine might reignite speculation that earth life might not be unique after all. (Travis, John; "Hints of First Amino Acid outside Solar System," Science, 264:1669, 1994.) Structure of the amino acid glycine What Science did not mention but New Scientist did is that F. Hoyle and C. Wickramasinghe have long predicted that the molecules of life, as well as life itself, would be found in outer space. Now, after much ridicule, they are being vindicated. "It's been a long hard struggle," said Hoyle. Wickramasinghe remarked that the discovery was "no surprise at all." "He believes it is only a matter of time before other amino acids, together with nucleotide bases, the components of nucleic acids that ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Music Of The Hemispheres The playing and composition of music has always been considered the near-exclusive province of the brain's right hemisphere. This turns out to be far from the truth. For example, non-musicians use both hemispheres in musical matters; the right side for recognizing melody and intonation, the left for such analytical matters as rhythm and notation. However, professional musicians, as their brain waves demonstrate, use their left hemispheres for just about everything of a musical nature. So much for the right-hemisphere theory! The comparison of magnetic resonance images of 27 right-handed musicians and 27 right-handed nonmusicians have shown that even their brain structures differ. The corpus callosum -- that inter-hemisphere information highway -- is 10-15% thicker in musicians who began their training while young than it is in nonmusicians. Our brain structure is apparently strongly molded by early training. The corpus callosum in musicians is essential in such things as finger coordination. Like a weight-lifter's biceps, it enlarges to accommodate the increased tasks assigned to it. (Anonymous; "Music of the Hemispheres," Discover, 15:15, March 1994.) Comment. It would be interesting to compare the brain structures of mathematicians and nonmathematicians where the dexterity factor is absent. From Science Frontiers #95, SEP-OCT 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects This was the big one, but where did it come from?October 15, 1991. American Southwest. Photomultipliers in the Fly's Eye telescopes 100 kilometers southwest of Salt Lake City recorded the havoc wrought in the upper atmosphere by the most energetic cosmic-ray particle ever measured. When this tiny subatomic particle slammed into air molecules, the ensuing debris caused the surrounding atmosphere to fluoresce. The amount of light produced indicated that this cosmic ray had an energy of 3 x 1020 electron volts -- that's equivalent to the energy of a bowling ball dropped from waist level. Now that's a lot of energy for a subatomic particle! Because cosmic rays normally lose energy as they collide with photons in their cosmic wanderings, astrophysicists believe that "the big one" had to have a recent, nearby origin in order to still be so energetic. But no one has any idea where it could have come from or how it might have acquired so much energy. Somewhere out there in nearby space there may be a natural particle accelerator orders of magnitude more powerful than our biggest earthbound atom smashers. (Anonymous; "The Deepening Mystery of Cosmic-Ray Origins," Sky and Telescope, 87:12, May 1994.) Comment. Actually, the source of "the big one" need not have been nearby and recent. All anomalists will recognize that this is an assumption based upon the particle ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Comets, asteroids, or neither?Like supernova 1987A, also mentioned in this issue, comet P/Shoemaker-Levi-9 is generating headlines in the scientific and popular media. Everyone expected that the impact of this comet on Jupiter would provide us with some very interesting phenomena, but most thought that the debris kicked up by the impacts would reveal something new about Jupiter -- not about comets, since everyone knows what they are! Instead, the long-held theory that comets are simply dirty iceballs is now questioned. Shoemaker-Levi-9 was originally classified as a comet because: (1 ) Its fragments all appeared to be surrounded by comas like all well-behaved comets; and (2 ) It was easily torn apart by Jupiter's strong gravitational field as it narrowly missed Jupiter in 1992. This is just what one would expect from a loosely compacted dirty iceball. But doubts about Shoemaker-Levi-9 's true nature have arisen because of two observations: (1 ) No water vapor has been detected in the plumes thrown up by the impacts of the fragments; and (2 ) The comet's Fragment M, which was supposed to have vaporized in 1993, as comets are wont to do, apparently did not and left a scar on Jupiter like the other fragments. So, Shoemaker-Levi-9 had no discernible ice (unlike comets; it was fragile and ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Dwarf mammoths in ancient egypt?Dwarf mammoths may have survived in northeastern Siberia into historical times. (SF#87) Given this possibility, B. Rosen wonders whether the ancient Egyptians might have known of them. He points to some evidence that they might have. For example, one scene painted on the tomb of one pharaoh represents tributes brought from afar to Egypt, including a parade of exotic animals. One of these animals is an obvious bear. This animal would have intrigued the pharaoh because bears and ancient Egyptians did not coexist. Just as exotic to the pharaoh would have been the miniature elephantid following just behind the bear in the painting. It was about the same size as the bear. Since this elephantid was depicted with large tusks, it was definitely not an immature. It also displayed the peculiar domed skull typical of mammoths and which is absent on African elephants. Could it have been a late-surviving dwarf mammoth brought all the way from Siberia? Of course, there are alternative interpretations. Asian elephants do have domed skulls, and the artist could have deliberately drawn the elephantid at a reduced scale. However, other animals are realistically sized. (Rosen, Baruch; "Mammoths in Ancient Egypt?" Nature, 369:364, 1994.) From Science Frontiers #95, SEP-OCT 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Evidence Of Tobacco In Ancient Egypt S. Balabanova et al, at the Institut fur Anthropologie und Humangenetik in Munich, have pulverized and dissolved samples of hair, soft tissue, and bone tissue from seven Egyptian mummies dated between 1070 BC and 395 AD. Chemical analyses detected cocaine, hashish, and nicotine in quantities similar to those found in modern addicts. (Balabanova, S., et al; "First Identification of Drugs in Egyptian Mummies," Naturwissenschaften , 79:358, 1992. Cr. B. Rudersdorf) Comment, Presumably, the nicotine was derived from tobacco. Tobacco is widely believed to be a New World plant. Is this belief incorrect? Could the nicotine have come from another source? Were there contacts with the New World before the Vikings and Columbus? From Science Frontiers #95, SEP-OCT 1994 . 1994-2000 William R. Corliss ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology Blondes in ancient china Evidence of tobacco in ancient egypt Dwarf mammoths in ancient egypt? Astronomy "AN UNPRECEDENTED AND BIZARRE OBJECT" Comets, asteroids, or neither? This was the big one, but where did it come from? Snowballs in hell? Biology It's according to hoyle and wickramasinghe Music of the hemispheres The urge to replicate: part i The urge to replicate: part ii Geology Might diamonds be dead bacteria? Deep quake deepens mystery Geophysics Sylvanshine: a newly recognized optical phenomenon Gamma-ray flashes in the upper atmosphere A DEEP-SEA HYDROTHERMAL VENT INSTEAD OF A WARM LITTLE POND? Psychology The solar wind and hallucinations Physics Cold fusion update: 1994 Miscellaneous A SKEPTIC'S NDE -- NOT SO MYSTICAL ...
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... Science Frontiers ONLINE No. 95: Sep-Oct 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Blondes In Ancient China Authorities on ancient Chinese civilization have usually considered it to have been completely isolated from European influences for millennia -- a homegrown culture characterized by unique cultural and technological innovations. This classical picture of ancient China will have to be modified after the recent unearthing of mummified Caucasians up to 4,000 years old in China's northwestern province of Xinjiang. These dried corpses have the long noses, deep-set eyes, and long skulls typical of Caucasians. Some even have blonde hair! Some 113 such corpses have already been excavated at Qizilchoqa, one of four sites discovered so far. It is clear that we are dealing with permanent settlements and not merely a few lost Europeans. "Besides the riddle of their identity, there is also the question of what these fair-haired people were doing in a remote desert oasis. Probably never wealthy enough to own chariots, they nevertheless had wagons and well-tailored clothes. Were they mere goat and sheep farmers? Or did they profit from or even control prehistoric trade along the route that later became the Silk Road? If so, they probably helped spread the first wheels and certain metal-working skills into China." V. Mair, a professor of Chinese at the University of Pennsylvania, has been spearheading the research on these mummies for the U.S . He asserts that, contrary to the general belief, there was a substantial two- ...
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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 An offset solar halo of 28 Anomalists should not perfunctorily dismiss unusual halo phenomena as trivial and/or boring. The laws of atmospheric optics have no room for the phenomenon described below. It is just as anomalous as ball lightning, although perhaps not as exciting! The 22 halo on the left is common and nonanomalous. However, optical theory has no room for the offset 28 halo on the right. June 22, 1993. North Cornwall, UK. "A 22 halo [the well-explained type] was very prominent, with the sector DCE being exceptionally bright and the colours quite strong. On the right-hand side of this, a larger but fainter halo could easily be seen, having a diameter of about 28 (see figure). It was white in colour. The sector CB was the brightest, sector BF not so bright but easily seen, but the sector AF could be seen only with difficulty. The halo was not seen to penetrate the 22 halo at either points A and C and so it could not be stated positively that the halo would have passed through the Sun, although it looked as though this would have been the case. The centre of the 28 halo had an altitude approximately the same as that of the Sun. The phenomenon lasted for about 20 minutes, although the 22 halo lasted for at least another hour." (Miles, Howard; "An Unusual Solar ...
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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 Mystery Radio Bursts "Mysterious double bursts of radio emissions, originating near the surface of the earth, have been detected by a small satellite designed to spot nuclear blasts. "Although the powerful pulses of electromagnetic energy occur predominantly at times of day favored by thunderstorms, they are not accompanied by flashes of visible light and they do not resemble the emissions generated by classic lightning." Since November 5, 1993, about 100 of these bursts have been detected by a special radio receiver named "Blackbird" mounted on the Alexis satellite. Most of the bursts have been recorded over Africa and South America, although they may also be frequent elsewhere but are drowned out by man-made radio noise from the ground. The bursts come in pairs that are separated by 40 microseconds. The frequency dispersion of the bursts indicates that the signals have passed through the earth's ionosphere before reaching the satellite. Most bursts are picked up in the afternoon and early morning. There is some speculation that the bursts may be associated with the flashes of light recently reported above storm systems. (SF#90) (Quote from: Sawyer, Kathy; "Electrodynamics: Strange Bursts from the Sky," Washington Post, February 14, 1994. Also: Monastersky, R.; "Puzzling Atmospheric Bursts Spark Interest," Science News, 145:100, 1994. Hecht, Jeff; "Satellite Tunes in to Mystery Radio Bursts, ...
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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 The shattering of 951 gaspra 951 Gaspra is an irregular asteroid with an average radius of 6.1 kilometers. Located at the inner edge of the main asteroid belt between Mars and Jupiter, Gaspra is believed to be composed mainly of olivine, pyroxene, and nickel-iron. Shape model of Gaspra showing the locations of the grooves. On October 29, 1991, the Galileo spacecraft swept past 951 Gaspra at a distance of 1600 kilometers, snapping photographs as it went. J. Veverka et al report below on what the photos showed: "We report the discovery of grooves in Galileo high-resolution images of Gaspra. These features, previously seen only on Mars' satellite Phobos, are most likely related to severe impacts. Grooves on Gaspra occur as linear and pitted depressions, typically 100-200 m wide, 0.8 to 2.5 km long, and 10-20 m deep. Most occur in two major groups, one of which trends approximately parallel to the asteroid's long axis, but is offset by some 15 , the other is approximately perpendicular to this trend. The first of these directions falls along a family of planes which parallel three extensive flat facets identified by Thomas et al. The occurrence of grooves on Gaspra is consistent with other indications (irregular shape, cratering record) that this asteroid has evolved through a violent collisional history." (Veverka, J., et al ...
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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 First you don't see it; then you don't don't see it Astronomers are always claiming that they have observational proof that other stars have planets circling them and that black holes truly exist. These claims always fade away or are refuted. Recently, the papers were full of still another claim that a black hole had been found. This time there was no doubt; this was it; a bona fide, undeniable black hole. The search was finally over! Later, though, this claim was muted to: "the best evidence yet for a black hole." [Remember that no light escapes a black hole; you cannot see it directly. It is detected only through its effects on nearby observable matter.] Despite what the theorists fervently believe, black holes may not be lurking out there in space, unseen, but still able to gobble up matter and unwary alien spacecraft. For example, consider the following iconoclastic tidbit: "A gigantic, exceptionally bright star that scientists thought could become a black hole is actually shedding mass at such an astonishing rate that it eventually will disappear, a discovery that casts doubt on theories of stellar evolution, a researcher reports. "' If such massive stars are losing mass at such a prodigious rate, they will not form black holes but will peel off to virtually nothing,' Sally Heap, a NASA astronomer, said yesterday at a national ...
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... Science Frontiers ONLINE No. 94: Jul-Aug 1994 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology Earth's oldest paved road Music and theories of everything Astronomy First you don't see it; then you don't don't see it Beware the ides of june -- and the rest of the month, too! The shattering of 951 gaspra Biology LACRIMA MORTIS: THE TEAR OF DEATH Cancer: a precambrian legacy? Horse sense? Those strange antarctic fishes Our genes aren't us! Geology The incorruptibility of the ganges Geophysics Flat-plate hail Mystery radio bursts Plane weirdness made plain An offset solar halo of 28 ...
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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 Earth's oldest paved road Forty-three miles southwest of Cairo lies a basalt quarry favored by ancient Egyptian artisans. Old Kingdom craftsmen laboriously cut this hard, black, glassy rock into royal sarcophagi and pavements for the mortuary temples at Giza just outside Cairo. To transport the heavy blocks of basalt from the quarry to Giza, the Egyptians built a quay on Lake Moeris, which then had an elevation of 66 feet above sea level and was located 7 ½ miles southeast of the quarry. (The Lake is now much smaller and 148 feet below sea level, indicating a large climate change.) Then, when the Nile flooded and its waters reached a gap in the hills separating the Lake and the Nile, the Egyptians were able to float the blocks of basalt over to the Nile and down to Cairo. Good thinking! But how did they transport the heavy blocks 7 ½ miles from quarry to quay? The answer: What was apparently the first paved road on the planet. This 4,600-year-old engineering feat averaged 6 ½ feet wide and was paved with thousands of slabs of sandstone and limestone, with some logs of petrified wood thrown in. Since the slabs show no grooves, it is thought that the stone-laden sleds moved on rollers. (Wilford, John Noble; "The World's Oldest Paved Road Is Found near Egyptian Quarry," New York Times, May ...
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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. 93: May-Jun 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Strange explosions at sasovo, in russia Some most peculiar phenomena have occurred recently about 200 miles southeast of Moscow. Discussioms have appeared in Russian publications, but we have not yet seen anything in the English-language journals. These phenomena have a bearing on the still-enigmatic Tunguska event of 1908 -- customarily attributed to a celestial projectile of some sort -- and perhaps even those bizarre "cookie-cutter" holes found in the U.S ., Canada, Norway, and elsewhere. One of our Russian correspodents has summarized what is known about the Sasovo explosions, and we are pleased to be able to present part of his (lightly edited) letter here: "On April 12, 1991, a strange explosion took place near the Russian town of Sasova (350 km to the southeast of Moscow). After the explosion, a crater, diameter about 30 m and depth 3m, was found. At first, several ideas about its nature were proposed, but now almost all of them are abandoned, except one: that it was a tectonic (endogenic, to be exact) origin. This is proved by geophysical research in the region and a secondary, weaker explosion (a crater also appeared) taking place in 1992 in a sparsely populated area about 9 km away from the first one. For some years before the explosions, there were signs of increased tectonic activity in the region: a great ...
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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 nebraska sand hills: wind or water deposits?In response to the item in SF#92 about possible massive flooding in Siberia, E. Hansen sent the accompanying mosaic of Landsat photographs of northwestern Nebraska. On this, the famous Nebraska sandhills appear like giant ripples. The width of the mosaic is about 340 kilometers, so you can appreciate the scale of the hills themselves. The crest-to-crest distances seem to be 2-3 kilometers. Roughly 35,000 square kilometers are covered with a sheet of sand that averages 8 meters thick. Mainstream geologists write these sandhills off as eolian (wind-carried) deposits laid down during the late Pleistocene. Hansen, however, along with geological iconoclast A. Kelly, demur. The Nebraska sanhills, they aver, were actually deposited by a wall of water sweeping down across the continent from the north -- very likely the consequence of an impact of a large asteroid. For more on Kelly's rejection of the eolian theory and many additional examples of deposits by huge tsunamis or marine incursions, see his book Impact Geology and/or category ETM7 in our catalog volume: Carolina Bays, Mima Mounds, etc. (To order the latter book, visit here .) (Hansen, Evan; personal communication, March 26, 1994.) From Science Frontiers #93, MAY-JUN 1994 . 1994-2000 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 Why Snakes Have Forked Tongues Laymen and scientists alike have wondered for millennia why some reptiles possess forked tongues. It seems that we may now have an answer: Some variations of the forked-tongue theme among lizards and snakes. "Theory, anatomy, neural circuitry, function, and behavior now support a hypothesis of the forked tongue as a chemosensory edge-detector used to follow pheromone trails of prey and conspecifics [especially the opposite sex]. The ability to sample simultaneously two points along a chemical gradient provides the basis for the instantaneous assessment of trail location." The framer of this hypothesis, K. Schwenk, adds that the forked tongue and, obviously, the muscles and neural circuitry to use it properly, have evolved independently at least twice, possibly four times. (Schwenk, Kurt; "Why Snakes Have Forked Tongues," Science, 263:1573, 1994.) Comments . One can compare the forked tongue to binocular vision. Both require the parallel evolution of impressive infrastructures of data processing "equipment." From Science Frontiers #93, MAY-JUN 1994 . 1994-2000 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 Lactating Male Bats The scene is a Malaysian forest, where scientists are sampling canopy wildlife with nets: "When the researchers captured a group of bats in a wide-ranging effort to survey animals that inhabit the Malaysian canopy, they were dumbfounded to see that the eight adult male Dyaks [a species of fruit bat] in the net all had visibly swollen breasts that produced milk upon being gently squeezed." No other wild male mammals are known to give milk, although inbred domestic male goats and sheep will -- rarely -- lactate. It is not known if the male bats actually nurse the young. (Angier, Natalie; New York Times, February 24, 1994. Cr. J. Covey. Also: Francis, Charles M., et al; "Lactation in Male Fruit Bats," Nature, 367:691, 1994. Fackelmann, K.A .; Science News, 145:148, 1994.) Comment. In their book Anomalies and Curiosities of Medicine, G.M . Gould and W.L . Pyle record several cases of human males lactating and even suckling infants. From Science Frontiers #93, MAY-JUN 1994 . 1994-2000 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 A REALLY ERRANT SEAL Deep in the frozen wastes of Antarctica, at an altitude of 1,300 meters [about 4,000 feet], B. Lytskjold came across a dead seal. The nearest coastline was 250 kilometers away. (Anonymous; "Seal That Went Walkabout," New Scientist, p. 11, January 15, 1994.) Comment. Actually, many such "mummified" seals have been found high in the Antarctic mountains far, far from water. They are usually crabeater seals. No one knows why they head inland to certain death. Reference. Additional observations of wayward Antarctic seals may be found in BMD5 in the catalog volume: Biological Anomalies: Mammals II. To order, see here . From Science Frontiers #93, MAY-JUN 1994 . 1994-2000 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 Cold-blooded birds?Zoologists have been taking it for granted that birds evolved from warm-blooded, active dinosaurs. They may now have to redraw that part of the avian family tree, because the microscopic structure of the leg bones of two species of long-extinct birds suggest otherwise. "Cross sections of the bones of these birds, which lived during the time of the dinosaurs, reveal growth rings -- concentric rings where normal bone growth was interrupted, possibly because of seasonal temperature changes. No such rings are found in the bones of modern birds, which maintain their body temperatures metabolically even in cold weather. But growth rings are found in such reptiles as crocodiles, which cannot maintain their temperatures metabolically, and in some fossil dinosaurs." (Browne, Malcolm W.; "Study May Shake Birds Down from the Dinosaur Tree," New York Times, March 17, 1994. Cr. J. Covey.) From Science Frontiers #93, MAY-JUN 1994 . 1994-2000 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 A REALLY ERRANT PIGEON Two years ago, a racing pigeon, owned by Londoner W. Pope, disappeared during a 556-mile race from southern France to Western England. Just recently, this bird fluttered into a pigeon loft in Beijing! (Anonymous; "British Pigeon, Missing 2 Years, Lands in Beijing," Baltimore Sun, March 25, 1994.) From Science Frontiers #93, MAY-JUN 1994 . 1994-2000 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 From Dust Unto Dust This Biblical assertion may be right on the mark, but in a sense that is slightly different from what is usually meant. The "first" dust may not have been terrestrial dust but interplanetary dust. Let us commence with long-winged U2s cruising at 20 kilometers altitude or more. Collectors coated with silicone oil are deployed. To them stick tiny bits of interplanetary and interstellar debris that have been caught by earth's gravity and are slowly drifting downward in the atmospshere. Some of these micron-sized particles come from asteroid collisions; others from the disintegration of comets. This rain of cosmic matter is not negligible; the earth harvests about 40,000 tons annually from the fertile fields of outer space. "Fertile?" Yes, outer space is a vast biochemical retort. D. Brownlee, R. Walker, and others: ". .. suggest that interplanetary dust has probably carried organic matter to Earth since the early aeons of the solar system. The complexity of the organic molecules found on these particles has fueled the imaginations of many who ponder the role extraterrestrial matter may have played in the prebiological evolution of organic material on the primordial Earth." Beyond these conjectures, several other things about interplanetary dust particles bother scientists: "' What is surprising,' Walker notes, 'and still not understood, is the fact that the organic molecules we see in the dust particles are ...
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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 Spirit Pond Inscription Stone As with the 12,000-BP barrier across the Bering Strait, establishment archeologists have erected another barrier which researchers cross at their peril. This time, the line is drawn at L'Anse aux Meadows, in Newfoundland, where a Viking presence has been officially acknowledged. Any Viking innuendoes south of this point in North America are verboten. The Spirit Pond Inscription Stone, 10-line side. Nevertheless, tantalizing Viking traces are found along the New England coast and, even more anomalously, in interior North America. One of these traces is the famous and infamous Spirit Pond Insciption Stone, found in Maine. It is covered with Norse runes. This inscribed stone was found by W. Elliott in May 1971, while he was paddling around Spirit Pond in a little rubber boat. Actually, Elliott discovered three stones with markings, but here we attend only to the so-called Inscription Stone. It bears ten lines on one side and six on the other. (See illustration.) Since Spirit Pond is well south of the Viking "barrier," the Inscription Stone has been declared a hoax, like the even-more-infamous Kensington Stone. But this classification has not deterred out-of-the-mainstream archeologists from studying it. After all, the Viking "barrier" was once located in Greenland! S. Carlson, in the latest issue of the NEARA ...
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... Science Frontiers ONLINE No. 93: May-Jun 1994 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology The spirit pond inscription stone Molecular clock places humans in new world 22,000-29,000 bp Astronomy Anomalous horizon glows seen on the moon From dust unto dust Biology Marine snow A REALLY ERRANT PIGEON A REALLY ERRANT SEAL Cold-blooded birds? Why snakes have forked tongues Lactating male bats Geology The nebraska sand hills: wind or water deposits? The giant crystal at the heart of the earth Geophysics Strange explosions at sasovo, in russia Just plane weird Psychology The healing of rents in the natural order Mathematics Btt and surreality ...
Terms matched: 1 - Score: 17 - 15 May 2017 - URL: /sf093/index.htm
... Science Frontiers ONLINE No. 92: Mar-Apr 1994 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Crop circles not hoaxes: a correction In SF#89, when presenting T. Meaden's "middle-ground" position on the now-infamous crop circles, we stated that an earlier letter to Weather by J.W . Deardorff represented the "all-hoax" position. This was incorrect and, to be fair, we now reproduce Deardorff's letter: "Recent letters to Weather indicate little agreement concerning the crop circles mystery, except that the phenomenon is in general no hoax. Lest it be thought that Dave and Doug made them all, including over 1000 in the season of 1990 and as many as 15 in one night, consider the following crop circle streamline configurations: an upper layer, with an inward directed swirl of stems as viewed from above, and underneath a lower layer swirled outwards and orthogonal to the upper layer. This was the situation for the 17 m circle discovered by Busty Taylor at Headbourne Worthy, which appeared overnight on 1 August 1986 (Delgado and Andrews 1989). Its stem "streamlines" were sketched by Meaden and Andrews (Noyes 1990). Somehow the source-mechanism of this circle apparently first swirled every other stem outwards while leaving the remaining stems standing, then swirled the remaining stems inwards and at right angles to the layer below, again without any appreciable breakage of crop stems. "Not only does this rule out any hoax, since it defies all ...
Terms matched: 1 - Score: 17 - 15 May 2017 - URL: /sf092/sf092g11.htm
