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Science News Staff
Paleontologists digging in the sandstone of Madagascar have uncovered an ancient, raven-sized bird with a slashing claw fit for a Velociraptor. The 65-million- to 70-million-year-old fossil is one of the...
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Science News Staff
WASHINGTON, D.C.--The diplomat who deftly rescued the climate change treaty negotiations from collapse last December in Kyoto, Japan, told a group of reporters here this morning that he harbors no...
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Science News Staff
New findings throw cold water on the view that the world's forests will dampen global warming by soaking up rising levels of carbon dioxide (CO2) in the atmosphere. According to...
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Science News Staff
PARK CITY, UTAH--Since the early 1980s researchers have known that the AIDS virus wreaks havoc on the body's defenses by destroying immune system cells called CD4 T lymphocytes--so-called because of...
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Science News Staff
Tomorrow is the birthday of legendary physicist Albert Einstein, born in Germany in 1879. Einstein took science by storm with his special and general theories of relativity, which dethroned Isaac...
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Science News Staff
Point Barrow, Alaska, may not seem like a place where you should worry about too much exposure to the sun. But fair-skinned residents of this northernmost U.S. town may have...
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Science News Staff
Vice President Al Gore wants to launch a small satellite to snap live pole-to-pole pictures of Earth that would be continuously available on television and the Internet. Gore said at...
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Science News Staff
Researchers in North Carolina believe they have linked a mutation carried by descendants of a Scottish sea captain to an extremely rare genetic disorder that makes bone iron-hard but weakens...
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Science News Staff
Doomsday asteroid watchers can relax. A reanalysis of the orbit of a large asteroid headed for a close encounter with Earth in 30 years (ScienceNOW, 11 March) predicts no chance...
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Science News Staff
Large farming villages with stone terraces may have been established in the southwestern United States and northern Mexico 3000 years ago, much earlier than previously thought. A prehistoric northern Mexican...
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Science News Staff
Astronomers have taken a picture of a galaxy at a record-breaking distance. Discovered at the world's largest telescope, the 10-meter Keck on Mauna Kea, the galaxy lies so far out...
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Science News Staff
What's right for humans is also right for microbes: A group of top genome researchers has agreed that everyone sequencing genomes should follow the example set by those decoding the...
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Science News Staff
A microscopic sensor can size up the inner workings of a living cell. The sensor, unveiled last week in New Orleans at the Pittsburgh Conference on Analytical Chemistry and Applied...
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Science News Staff
Our early ancestor Homo erectus may have been smart and social enough to build seafaring rafts. This flattering portrait of these early humans is reinforced by new dates for stone...
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Science News Staff
Astronomers are tracking an asteroid, at least 1 kilometer wide, that could hit Earth in 2028. The orbit of the massive asteroid, known as 1997 XF11, was posted today on...
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Science News Staff
Quantum computers are a long way off, but scientists are already busy dreaming up software for them. One such algorithm, for example, could factor a thousand-digit number in about half...
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Science News Staff
ATLANTA--The global fight against tuberculosis and other infectious diseases got a shot in the arm yesterday. At the International Conference on Emerging Infectious Diseases here, the U.S. State Department's Agency...
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Science News Staff
Light is very light. That is the conclusion of a table-top experiment to weigh light's fleet-footed courier, the photon. The report, appearing in a last week's Physical Review Letters, indicates...
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Science News Staff
Scientists have the first solid evidence that leptin--the hormone famous for making fat mice thin--also affects sexual development in humans. In a remote Turkish village, researchers have located a family...
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Science News Staff
The French astronomer who co-discovered the planet Neptune, Urbain Jean Joseph Leverrier, was born on this day in 1811. Based on hints that Uranus veered slightly from the orbit predicted...
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Science News Staff
Apoptosis, or programmed cell death, was the dominant theme among the top 10 hot papers for 1997, beating out even Dolly, the cloned lamb, in the citation count. All the...
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Science News Staff
SEATTLE--From the birthplace of the microbrew come new clues that beer may contain something far more healthful than just a big dose of carbohydrates. Researchers reported here last week at...
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Science News Staff
The first eukaryotic cells--the complex cells dotted with organelles that make up all "higher" organisms--may have arisen from bacteria with an appetite for the waste products of their neighbors. The...
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Science News Staff
The delicate balance between wolves and moose in Michigan's Isle Royale National Park has been a case study in ecology textbooks for years. Now that famous predator-prey relationship may be...
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Science News Staff
The most successful drugs for suppressing HIV--protease inhibitors--can strengthen damaged immune systems in the face of resurging HIV. The surprising finding, reported in tomorrow's issue of The Lancet, suggests that...
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Science News Staff
Molecular and developmental biologists have discovered a potentially useful source of replacement muscle for people suffering from muscular dystrophy. As reported in today's issue of Science, experiments in mice show...
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Science News Staff
WASHINGTON, D.C.--Three environmental organizations announced here that they took legal action today to stop Yellowstone National Park from entering into a formal agreement with a San Diego-based biotech company that...
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Science News Staff
The young brain is a sponge for knowledge, primed to soak up skills and information with an ease that it will never match again. And those skills may last a...
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Science News Staff
WASHINGTON, D.C.--A spacecraft has found "significant deposits of water ice at both poles of the moon," scientists announced at a press conference here today after analyzing data from the first...
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Science News Staff
The serendipitous pursuit of a rapid outbreak of virulent tuberculosis shows how the disease can be stopped in its tracks, according to a report in tomorrow's New England Journal of...
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Science News Staff
Large, cometlike objects that wander in the dark chill beyond Neptune may come in two colors, an unexpected dichotomy that may provide clues to the forces that shaped the outer...
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Science News Staff
Transplanted organs rarely get a hero's welcome in their new home--in fact, they are often attacked viciously by the host's immune system. Researchers have long known that a follow-up infusion...
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Science News Staff
In the war on cancer, vaccines designed to teach immune cells to seek out proteins on cancer cells and swoop in for the kill have delivered less scintillating results than...
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Science News Staff
For the first time, astronomers have watched a variable star swell and shrink. The star, called R Leonis, brightens and dims on a year-long schedule, and an innovative array of...
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Science News Staff
AMSTERDAM--In an unprecedented move, the Dutch minister of agriculture has put a stop to cloning experiments carried out by Pharming, a company based in Leiden, the Netherlands, that specializes in...
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Science News Staff
This image within an image is the latest--and perhaps most stunning--view of last week's total solar eclipse. The blotchy orange portion is the solar surface and lower atmosphere as seen...
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Science News Staff
Although lithium chloride has been the drug of choice for treating manic depression for nearly a half-century, nobody has known how the drug acts to quell the turbulent mood swings...
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Science News Staff
A new gene therapy technique that appears to harness a cell's own genetic repair mechanism to rewrite its DNA sequence has shown remarkable success in rats. The findings, in this...