Science News

Science newspaper is a magazine specializing in Science topics.

Articles from Vol. 136, No. 22, November 25

A Tangle of Fibers: Scientists Examine How Different Dietary Fibers Produce Their Health Benefits
A Tangle of Fibers Daniel applied good scientific technique to resist the unkosher diet imposed by the Babylonian king Nebuchadnezzar. Using subjects matched for age, sex and socioeconomic status, he set up a controlled clinical study leading to...
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Cosmic Cartographers Find 'Great Wall.'
Cosmic Cartographers Find 'Great Wall' Two astrophysicists mapping the locations of galaxies have found the largest structure known in the universe -- a thin sheet of galaxies half a billion light-years long. Dubbed the "Great Wall," it lies 200...
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Early Glimmerings of Heart Disease
Early glimmerings of heart disease An experimental method of detecting abnormalities in blood vessel function may someday help physicians identify and treat people with very early coronary artery disease. Scientists don't know precisely how coronary...
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Fishing for Current with an STM Rod
Fishing for current with an STM rod In the arcane and microscopic world of quantum mechanics, electrons routinely vanish from one side of an energy barrier and reappear on the other. Things like that don't happen in more familiar realms. Scientists...
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Microbes Complicate the K-T Mystery
Microbes complicate the K-T mystery A new problem has surfaced for those trying to decipher whether a meteorite slammed into the Earth 65 million years ago, killing off a large fraction of species, including the last remaining dinosaurs. Ancient bacteria...
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Natural Selection for Computers: Nature Provides the Model for a Speedy Computer Search
Natural Selection for Computers Randomly stringing together a handful of resistors, capacitors and transistors hardly seems the way to design and build a radio. But that's one way of picturing the starting point for a novel computer-based method...
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Night Awakening Can Trigger Heart Damage
Night awakening can trigger heart damage New research shows that people with coronary artery disease who awaken at night -- particularly those who get out of bed -- risk suffering an episode of silent myocardial ischemia, a temporary and often painless...
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Quasar Illuminates the Most Distant Past
Quasar illuminates the most distant past A team of astronomers has identified the most distant object now known in the universe -- a quasar that was already emitting vast quantities of light only a billion years after the Big Bang. The discovery...
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Radar Reveals an Asteroid's Strange Shape
Radar reveals an asteroid's strange shape Radar images of a small, recently discovered asteroid depict not a single sphere or even a roundish lump, but two such lumps side by side. Steven J. Ostro of Jet Propulsion Laboratory in Pasadena, Calif.,...
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Renewing Bonds to Recharge Batteries
Renewing bonds to recharge batteries Building a better mousetrap isn't the only way to get the world to beat a path to your door. A better battery might do it, too. The Lawrence Berkeley (Calif.) Laboratory last week announced efforts to develop...
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Tasaday Controversy Grows More Curious
Tasaday controversy grows more curious The strange case of the Tasaday -- modern-day hunter-gatherers in the Philippines, heralded during the 1970s as an isolated Stone Age group and lately denounced as a hoax by some journalists and anthropologist--grows...
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Teen Suicide Clusters: More Than Mimicry
Teen suicide clusters: More than mimicry In the first study of its kind looking at teenage suicide clusters -- "outbreaks" of suicide in which several young people in a community take their own lives within a relatively short time -- researchers find...
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