News
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Weevils pick on someone their own size
A horned weevil can't pick a real fight with a male too big for him because the bigger one can't get a good grip.
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Why is that wasp helping?
Researchers have found nests of a social insect with helpers that are neither close kin nor slaves.
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Energy-efficient brains
Successful problem solving depends on a brain that efficiently lessens its workload rather than laboring harder.
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Checking up on abuse memories
An unusual trove of evidence in a criminal case supports the accuracy of recall of childhood sexual abuse.
- Astronomy
Gamma-ray craft plunges into Pacific
As planned, NASA's Compton Gamma Ray Observatory, which had detected some of the highest-energy radiation in the universe for 9 years, crashed into the Pacific Ocean on June 4.
