News
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Health & Medicine
Walnuts may slow prostate cancer
More news from the American Chemical Society meeting.
By Janet Raloff -
Life
Fruit flies turn on autopilot
High-speed video reveals the aerodynamics behind the insects’ maneuverability.
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Health & Medicine
Vaccine works against type 1 diabetes in mouse experiments
Researchers uncover a self-regulating feature of the immune system.
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Humans
Copycats prevail in computerized survival game
A virtual contest suggests that imitation beats innovation in the natural world.
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Anthropology
Partial skeletons may represent new hominid
Partial skeletons may represent a new hominid species with implications for Homo origins, one researcher claims. But many of his peers disagree.
By Bruce Bower -
Health & Medicine
Lung function still impaired by dust from World Trade Center
Firefighters and emergency medical teams continue to have breathing problems years after the 2001 terrorist attack.
By Nathan Seppa -
Chemistry
American Chemical Society meeting highlights
Read Science News reporters' complete coverage of the recent chemistry conference.
By Janet Raloff -
Life
Eating seaweed may have conferred special digestive powers
Gut microbes in Japanese people may have borrowed genes for breaking down nori from marine bacteria.
By Susan Milius -
Ecosystems
Pigeons usually let best navigator take the lead
One bird usually leads the flock, but sometimes another gets a turn at the helm.
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Life
Scientists name large but elusive lizard
Though locals knew of it, the 2-meter cousin to Komodo dragons had escaped scientific description.
By Susan Milius -
Life
Gene variants linked to Crohn disease have little effect, study finds
A genetic variant linked to Crohn disease does not raise the average person’s risk of developing the condition, a new study finds.
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Chemistry
Superheavy element 117 makes debut
An international team of researchers fill a gap in the periodic table, and lay another stepping stone along the path to the “island of stability.”