News
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LifeWeeds increasingly immune to herbicides
Agricultural scientists warn that crop yields could drop as a result of emerging resistance.
By Janet Raloff -
LifeMarine microbes fritter away jelly bonus
Bacterial feasts during jellyfish blooms drain valuable carbon out of the food web.
By Susan Milius -
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Health & MedicineDrug prevents some breast cancers
A hormone-blocking compound can waylay some malignancies in healthy women who are deemed at risk.
By Nathan Seppa -
HumansSite hints at Asian roots for human genus
An early Homo species inhabited the Caucasus region 1.85