64 results found.
... No. 100: Jul-Aug 1995 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Anomalous phenomena associated with the 1908 tunguska event N.V . Vasilyev has prepared a lengthy review of the 1908 Tunguska "event," which is usually ascribed to a wayward comet or meteorite. Vasilyev's data is based upon 167 reports, mostly in Russian. They show once again that this was no ordinary impact event, as illustrated by the following observations: A "local" magnetic storm began about 6 minutes after the explosion (If that is what it really was.) and lasted for more than 4 hours. These magnetic perturbations resembled those following nuclear atmospheric explosions. The Tunguska object left no smoky trail like many fireballs, but rather irridescent bands that looked like a rainbow. Following the "explosion," at least part of the object continued on in the same direction but veered upwards. [Meteors sometimes skip out of the atmosphere on trajectories like this.] Although the Tunguska event occurred on June 30, 1908, optical anomalies appeared all across northern Europe as early as June 23. These included mesospheric, silvery clouds, very bright nights, colorful twilight afterglows [something like those following the Krakatoa eruption], and remarkably intense and long-lasting solar halos. Some of these effects persisted until late July. Neither craters nor meteoric debris have been discovered so far, despite assiduous searches. The explosion created a shock wave that leveled 2150 km2 of taiga and a flash that singed about 200 km2. (Vasilyev, N ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf100/sf100g10.htm
... Science Frontiers ONLINE No. 101: Sep-Oct 1995 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Alh 84001: a message from mars or perhaps some other planet ALH 84001 is a meteorite picked up in the Allan Hills of Antarctica a decade ago. Its composition and fused crust suggest an extraterrestrial -- origin probably Mars. Space scientists think ALH 84001 was blasted off the Martian surface by an impacting body 14-18 million years ago, based upon its exposure to cosmic rays while circling the sun, edging ever closer to earth. The composition of ALH 84001 tells us curious facts about its place of origin. First, it contains carbonate minerals deposited by water. Second, the carbonate grains are banded, implying the parent rock formation was washed by water more than once. Third, and most interesting, chemists have found traces of molecules called PAHs, based on interconnected benzene rings. Three sources have been proposed for these PAHs: Terrestrial contamination Prebiotic activity on the planet of origin PAH-bearing comets and/or asteroids impacting the parent planet. Terrestrial contamination has always been a problem in analyzing meteorites, but great care has been taken in recent years, especially with the Antarctic lode of meteorites. In view of these precautions, it seems rather likely that somewhere "out there" life is brewing. (Anonymous; "A Chip Off the Old Mars," Sky and Telescope , 90:12, July 1995.) Reference: See also: Incredible Life for the interesting history of past "discoveries of life ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf101/sf101a03.htm
... Science Frontiers ONLINE No. 90: Nov-Dec 1993 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology Missing: 500,000 tons of copper Ancient romans in texas? Astronomy A NEW CLASS OF SOLAR SYSTEM OBJECTS Einstein questioned Alien meteors Biology The shorter, the stranger A TALE OF TWO NOSES Smouldering corpse not shc Depths of ignorance Geology The ktb hole Geophysics Mystery light flashes above storms A PIECE 'A HEAVEN! Band of turbulence Can thunderstorms stall cars? Dune circles of sossusvlei General Is nothing certain anymore? Physics Lines of maser spots ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf090/index.htm
... Science Frontiers ONLINE No. 77: Sep-Oct 1991 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology PLIOCENE SCULPTURES OR FREAKS OF NATURE? A PAPER TRAIL FROM ASIA TO THE AMERICAS Astronomy Mercury: the impossible planet Eclipse shadow-band anomalies Biology Supernova theory exploded NO UNKNOWN MONSTERS IN THOSE FIJI UNDERWATER CAVES: NEVERTHELESS, THE MYSTERY DEEPENS DO BIRDS USE GENETIC MAPS DURING MIGRATION? Cooler heads, bigger brains? The aye-aye, a percussive forager identical Geology VALLEYS OF DEATH AND ELEPHANT GRAVEYARDS Anthracite man? METHANE HYDRATE: PAST FRIEND OR FUTURE FOE? The gruyerizaton of switzerland faulting Geophysics CROP CIRCLES: DAISY PATTERNS AND A RED BALL OF LIGHT Hovering ball of fire SOME OLD GEYSERS ARE NOT SO FAITHFUL WATER'S MEMORY OR BENVENISTE STRIKES BACK Physics Drip, drop, drup, dr** ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf077/index.htm
... Science Frontiers ONLINE No. 74: Mar-Apr 1991 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology A GOLDEN CALENDAR FOR USE AT STONEHENGE? DID THE PHARAOHS CHEAT WITH CONCRETE? Astronomy An unexplained event Gaia on mars? SOLAR ECLIPSE AFFECTS A PENDULUM -- AGAIN! Biology Eel oddities Echidna eccentricities Searching for monster sharks WHEN IDENTICAL TWINS ARE NOT IDENTICAL Geology 'TERMITE BANDS' IN SOUTH AFRICA THE MECHANICAL PARADOX IN THRUST FAULTING Geophysics NEWTONIAN GRAVITY MAY HAVE BROKEN DOWN IN GREENLAND 50-POUND 'ICE BOMB' FALLS IN WEST VIRGINIA EARTHQUAKE LIGHTS OBSERVED IN CANADA Psychology Predictive psi Maths & Logic Pi surprise Physics Repent! the phase change is coming! Cold fusion update ...
Terms matched: 1 - Score: 15 - 15 May 2017 - URL: /sf074/index.htm
... Science Frontiers ONLINE No. 56: Mar-Apr 1988 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology Ubiquity of american archeological anomalies Astronomy How to be unfamous in astronomy Celestial mirages? Do black holes exist? Cometary scars on the moon? Biology The fault, dear reader, is not in our stars but our pigs! Not the normal type of fire Wandering molluscs Geology Large moon essential to the development of life? Oceans from space Geophysics Edinburgh ufo a mirage? Wave-bands in calm waters and biscay boils A WEST COAST MOODUS? Psychology Reincarnation of ramanujan? Nudging probability General The new holism -- but is it whole enough? ...
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... Science Frontiers ONLINE No. 2: January 1978 Other pages Home Page Science Frontiers Online All Issues Last Issue Next Issue Sourcebook Project Sourcebook Subjects Contents Archaeology The Stone Enigmas of New England Astronomy Sun-Earth-Moon System May Not Be Stable Changes in Solar Rotation Biology Hopeful Monsters Rather Than Gradual Evolution? Hedgehogs Use Toad Venom for Defense Blind Man Runs on Lunar Time Infections From Comets Geology Will Radiohalos in Coalified Wood Upset Geological Clocks? How Real Are Biological Extinctions in the Fossil Record? Geophysics Another Indian Ocean Light Wheel Ghostly White Disk and Light Beam in Sky Fast-moving Dark Bands Cross Halo The Morning Glory Giant Ball Lightning Psychology Does Man Survive Death? ...
Terms matched: 1 - Score: 13 - 15 May 2017 - URL: /sf002/index.htm
... Science Frontiers ONLINE No. 123: May-Jun 1999 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Eclipse Shadow Bands E. Strach had the good fortune to have camcordered those elusive eclipse shadow bands that flit across the ground just before and after total solar eclipses. The time was February 26, 1998; the place, Knip Beach, Curaco. Strach had first laid out a 53-centimeter-diameter white screen on the ground. He pointed his camcorder at the screen and pressed the ON switch 4 minutes before second contact. Playing back his recording, he was not a little surprised to find he had an excellent record of the curious parade of the hard-to photograph dark bands. "They were clearly seen for 32 seconds before the second contact and a little fainter for 27 seconds after totality. They moved rapidly across the screen from E to W before totality and from NNE to SSW after 3rd contact. Slow motion studies of the video show occasional merging of the bands and at times they seem to move in opposite directions -- probably a stroboscopic effect." The widths of the bands varied from 2.36 to 6.63 centimeters. (Strach, Eric; "Shadow Bands Recorded at February 26 Eclipse," British Astro nomical Association, Journal, vol. 108, 1998. Comment. Theorists have long been challenged by these ghostly, fleeting shadows. Their widths change; their directions and speeds vary; they come in different colors; sometimes more than one set of bands appear; giant bands ...
Terms matched: 1 - Score: 222 - 15 May 2017 - URL: /sf123/sf123p04.htm
... Science Frontiers ONLINE No. 127: Jan-Feb 2000 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Black Auroras July 23/24, 1998. Gulf of St, Lawrence. Aboard the m.v . Appleby , Port Cartier to Immingham. "The aurora borealis was sighted at 0330 UTC. There was a band measuring 35 long in azimuth, with deepblue almost black vertical bands lying between the altitudes of 15 and 25 . The colour changed to brilliant blue at 0335, lasting for about 15 minutes before cloud began to obscure it." What were the "almost black" vertical bands embedded in the main band? Aurora expert R. Livesey replied as follows. "There is a phenomenon called the 'black aurora' which consists of small regions of very low luminosity embedded in brighter auroral light; the 'black' rays reported from the Appleby could have been a phenomenon of this type." (Wilson, J.L .; "Aurora Borealis," Marine Observer, 69:112, 1999.) Black auroras may actually be more than just the contrast effect suggested by Livesey. Low-light TV systems detect clockwise vorticity in the black bands, and the bands seem to be associated with upward electron beams. In other words, black auroras are apparently a distinct phenomeon in their own right and not just nonluminous parts of the visible aurora. (Stenbaek-Nielsen, H.C ., et al; "Why Do Auroras Look the Way They Do?" Eos, 80:193 ...
Terms matched: 1 - Score: 76 - 15 May 2017 - URL: /sf127/sf127p00.htm
... of the Rainbow GEB17 The Dark Space between Primary and Secondary Rainbows GEB18 Grossly Distorted Rainbows GEB19 Rainbows Dividing Sky Colors GEB20 The Odor of the Rainbow Double White Rainbows Tertiary Rainbows Polarization of Rainbow Light Segments of Greyish Light in the Sky Unexplained Dark Lines in the Sky GEH UNUSUAL HALO DISPLAYS AND CORONAS GEH1 Offset Halos and Anomalous Arcs GEH2 Noncircular Halos GEH3 Extraordinary Mock-Sun and Mock-Moon Displays GEH4 Halos Dividing Sky Colors GEH5 Bishop's Ring... GEH6 Halos of Unusual Radii GEH7 Jumping and Moving Halos GEH8 Kaleidoscopic Suns GEH9 Skewed and Deformed Halo Displays GEH10 Bottlinger's Rings GEH11 Transient Lines Superimposed on Halo Displays GEH12 Optical Effects Where Halo Displays Touch the Horizon GEH13 Close, One-Sided Mock Suns GEH14 Halo Displays Formed by Terrestrial Ice Crystals Anomalous Lunar Coronas Circumzenithal Arc and Black Band GEI OBSERVER-CENTERED PHENOMENA GEI1 Puzzling Features of the Brocken Specter GEI2 Heligenschein GEI3 Rotating Spokes about the Shadow of One's Head Sylvanshine Snow Sparkles GEL LOW-SUN PHENOMENA GEL1 Puzzling Features of the Green Flash GEL2 Anomalous Diverging Rays at Sunset and Sunrise GEL3 Color Phenomena and the Earth's Shadow on the Sky GEL4 Abnormal Refraction Phenomena with Astronomical Objects... GEL5 Anomalous Aspects of the Krakatoa Sunsets GEL6 The Alpine Glow... GEL7 Spectral Dispersion near the Sea's Surface GEL8 Low-Sun Landscape Fluorescence GEL9 Low-Sun Spectral Bows GEL10 Low-Sun Shadow Bands GEL11 The Second Purple Light GEL12 Moving Patches of Light on the Horizon Jumping Stars Post-Twilight Infrared Brightening of the Sky Extraordinary Sunsets GEM THE MAGIC OF MIRAGES GEM1 Fata Morganas GEM2 Telescopic Mirages GEM3 Lateral ...
Terms matched: 1 - Score: 71 - 15 May 2017 - URL: /cat-geop.htm
... in Composition ALE12 Dark-Haloed Lunar Craters ALE13 Local Concentrations of Radioactivity ALE14 Scarcity of Dust and Meteoric Material ALE15 Young Lunar-Surface Ages ALE16 Local Concentration of Volatiles ALE17 Lunar Soils Older Than Associated Rocks ALE18 Problems in Dating Lunar Rocks and Soils ALE19 Compositional Differences between Earth and Moon ALE20 Apparently Anomalous Long Term Persistence of Craters ALE21 Alignment of Mascons and Lunar Moments of Inertia ALE22 Geological Changes within Historical Times ALF LUNAR LUMINOUS PHENOMENA ALF1 Infrared Anomalies ALF2 Lunar Catastrophism within Historical Times ALF3 Transient Points of Light ALF4 Localized Color Phenomena ALF5 Transient, Large-Area Luminescence ALF6 Lightning-Like Phenomena on the Moon ALL THE MOTION OF LUNAR SATELLITES ALL1 Perturbation of Artificial Lunar Satellites ALO ANOMALOUS TELESCOPIC AND VISUAL OBSERVATIONS ALO1 Doubling of Lunar Detail ALO2 Variable Spots, Streaks, and Other (Apparently) Optical Phenomena ALO3 Banded Craters ALO4 Lunar "Canals" and Lineaments ALO5 The Lunar Zodiacal Light ALO6 Distortions of the Lunar Disk ALO7 Bright Diverging Ray above the Moon ALO8 Dark Triangular Patches under the Moon ALO9 Ring of Light around the New Moon ALO10 Shortened Lunar Crescents ALO11 The Lunar Post-Sunset Horizon Glow ALW LUNAR "WEATHER" ALW1 Clouds, Mists, and Obscurations ALW2 Anomalous Ion Clouds Detected on the Lunar Surface ALX LUNAR ECLIPSE AND OCCULTATION PHENOMENA ALX1 Very Dark Lunar Eclipses ALX2 Distortions of the Earth's Shadow ALX3 Eclipse Fingers of Light ALX4 Bands and Patches on the Eclipsed Moon ALX5 Very Bright Lunar Eclipses ALX6 Thin Arcs of Light on Rim of Eclipsed Moon ALX7 Dusky Bands across Planets at Contact Phase of Occultation ALX8 The Hanging or Projection of Stars and Planets on the Moon's Limb ALX9 Post- ...
Terms matched: 1 - Score: 16 - 15 May 2017 - URL: /cat-astr.htm
... of Lactose Tolerance Twins and Occurrence of Nightmares Timing of the End of Sleep BHG HUMAN GENETICS BHG1 Human Chromosomes Less Evolved Than Ape Chromosomes BHG2 The Presence of Introns in Human Chromosomes BHG3 Human Chromosomes Lack the "Baboon Marker" BHG4 Y-Chromosome Analysis Suggests First Humans Were Pygmies BHG5 Human and Ape Chromosome Numbers Differ BHG6 Identical Twins May Have Different Genomes BHG7 Gene Imprinting: Parental Influence on Genes BHG8 The Accentuation of Inherited Traits in Succeeding Generations BHG9 Higher Variability of Mitochondrial DNA in Subsaharan Africans BHG10 Mitochondrial DNA Evolves Much Faster Than Nuclear DNA BHG11 Disparity between Human and Ape Phenotypes and Genotypes BHG12 Chimpanzee Mitochondrial DNA More Diverse Than That of Humans BHG13 Human Mitochondria Radically Different from Those of Other Organisms BHG14 Paternal Mitochondrial DNA can Be Inherited BHG15 African Nuclear DNA Is Distinct from That of Other Populations BHG16 Chromosome Banding Analysis Incompatible with DNA Analysis BHG17 Involucrin Analysis Conflicts with Mitochondrial DNA Analysis BHG18 Human Molecular Clocks Run More Slowly Than Those of Apes BHG19 Absence of Transitional Forms of Cytochrome C DNA Analysis and the Origin of Modern Populations High Deleterious Mutation Rates in Hominids Fetal DNA in Mother's Blood Epigenetic Inheritance Unique Human Lack of Retroviruses Neanderthal mtDNA Different Persistence of Cystic Fibrosis Gene Humanity's "Missing" Mutations Persistence of ITD Gene Overall Human Mutation Rates Very Low "Junk" Genes and Human Evolution Curious Genetic Homologies HIV-Like Gene in Human DNA BHH HEALTH BHH1 Health and Environmental Electricity BHH2 Health and Weather BHH3 Disease Epidemics Correlated with Solar Activity BHH4 Epileptic Seizures Correlated with the Moon BHH5 Disease Epidemics Correlated with Volcanic Eruptions BHH6 Anomalous Periodicities in Disease Epidemics BHH7 Anomalous Appearance and Propagation of Disease BHH8 Epilepsy ...
Terms matched: 1 - Score: 6 - 15 May 2017 - URL: /cat-biol.htm
... and Stones Karanouo Zodiac Mayan and Western Zodiacs Are Alike [MSE Geographical Zodiacs] MGM MAPS Turin Papyrus Vineland Map Stick Maps of Oceania Piri Re'is Map Carthaginian Maps Tibetan Maps of New World Ancient Atlantic Maps, Disappearing Islands Zeno maps Chinese Maps of America, Fusang Claim MGP ROCK ART, PETROGLYPHS, PICTOGRAPHS Tattoos Australian Bradshaw Paintings Paisa Petroglyphs Maze Stone Viking-Boat Tablet in America Chinese Motifs in America [MGS] Lascaux Cave Paintings Australian Rock Art, Strange Figures (Wandjina Drawings) Penguins in Mediterranean Mammoths and Elephants in America Michigan Tablets Rabbit-in-Moon Motif: Its Diffusion Rock Art and Echoes Anubis Cave Art Egypt in America Elephant Slabs Stone Age Art Sophistication Ostrich Domestication as Shown in Art Serpent Motif: Diffusion Pedra Furada Rock Art Holly Oak Pendant Fraud Tennessee Cave Art Red Bands in Caves Egypt in Australia Egypt in South Africa Mammoths in Egypt Ohio Copper Tablets China in South America Egyptian Electricity Palenque Astronaut China in India Jinmium [MGS Symbols] Horses in South America Microscopic Engraving MGQ QUIPUS AND STRING FIGURES Quipus String Figures MGS SYMBOLS, MOTIFS Cup-and-Ring Carvings Painted Pebbles (Mas d'Azil) Grafitti Comalcalco Pyramid-Brick Markings Jinmium Petroglyphs [also MGP] Painted Lima Beans Minoan Labyrinth Motif Pecked crosses Incised Star Configurations Pockmarks Clay Tokens with Symbols Hindu Motifs in America Hindu Motifs in Indonesia Chinese Motifs in America [MGP] Mexican Sellos Kekip Sesonator Apparent Symbols on Ancient Strata [MGW] Fingerprint Markings Freemason Signs in Anomalous Places Lakin Tablets Spirals African Motifs Worldwide Japanese Symbols Worldwide Inscribed Tokens Pedra Pintada Symbols Old World Motifs in Northeastern North America (Eskimos, ...
Terms matched: 1 - Score: 6 - 15 May 2017 - URL: /cat-arch.htm
... Science Frontiers ONLINE No. 122: Mar-Apr 1999 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects A Genetic Disconnect Bandings on chromosome 9 from humans (H ), chimpanzees (C ), gorillas (G ), orang-utans (O ) If human and chimpanzee nuclear DNAs differ by only 1.5 %, why are the two species so profoundly different in anatomy and behavior? The obvious external differences are body hair, the use of language, the method of locomotion, and of course culture. Less well known is the fact that humans are more susceptible to diseases like as cancer and AIDS. Apparently, superficial comparisons of DNAs slough over genetic details that result in major differences in the living animals. Some of the genetic differences between humans and chimps seem to belie that miniscule 1.5 % difference everyone bandies about. To illustrate, humans have only 46 chromosomes, while the great apes all have 48. The 1.5 % figure doesn't hint at this significant difference. Next, take a look at chromosome #9 in humans and the great apes. Chromosome bandings are different enough to raise further suspicions about the 1.5 % figure. (Gibbons, Ann; "Which of Our Genes Make Us Human?" Science, 281:1432, 1998.) Comments. It is easy to see how gross comparisons of DNA might miss important details. The popular "DNA-hybridization" method simply mixes together strands of DNA from the two species being compared. These are allowed ...
Terms matched: 1 - Score: 53 - 15 May 2017 - URL: /sf122/sf122p08.htm
