News
- Animals
Gender bender
Disabling a chemical-sniffing organ crucial for courting behavior makes girl mice act like frisky boys.
- Earth
Cholesterol boosts diesel toxicity
Nanoparticles in diesel exhaust can activate genes that worsen cholesterol's damaging effects.
- Planetary Science
Deep Impact and Stardust: Still on assignment
Two sturdy NASA spacecraft have new assignments, studying comets and looking for exoplanets.
- Health & Medicine
New Clues: Gene variations may contribute to MS risk
Variants of two genes encoding immune system proteins may confer a higher risk for multiple sclerosis.
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