News
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AnimalsBird fads weaken sexual selection
There's a new look for a hot male among lark buntings every year.
By Susan Milius -
More evidence that flies sleep like people
A brain chemical puts fruit flies to sleep.
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HumansWish List: FY ’09 budget proposal ups physical sciences
President Bush's proposed 2009 federal budget would boost R&D in the physical sciences while reining in biomedical research.
By Science News -
Health & MedicinePot Downer: Marijuana users risk gum disease
Regular marijuana smoking is linked to gum disease in young adults.
By Nathan Seppa -
EcosystemsSpread of nonnative fish mirrors human commerce
Invasions of foreign freshwater fish are more common in areas with relatively high economic activity, suggesting that humans are a part of the problem.