News
- Animals
Bird fads weaken sexual selection
There's a new look for a hot male among lark buntings every year.
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More evidence that flies sleep like people
A brain chemical puts fruit flies to sleep.
- Humans
Wish 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.
- Health & Medicine
Pot Downer: Marijuana users risk gum disease
Regular marijuana smoking is linked to gum disease in young adults.
- Ecosystems
Spread 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.
