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A moment on the lips …
Adults may be stuck with the fat they have. A study suggests the number of fat cells doesn't change with weight gain or loss.
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LifeCoral keeps it in the family
The nutrients released during mass coral spawning feed the whole ecosystem.
By Tia Ghose -
Health & MedicineRice Woes, Pt. 1
A shortfall in rice production has been developing well under the radar screen of agricultural economists and growers. The bad news: It promises to get much worse, and fairly soon.
By Janet Raloff -
Trouble with truffles
A Chinese truffle species has invaded Italy, raising fears that the newcomer could overgrow the Italian black truffle on its home territory.
By Susan Milius -
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EarthChallenging ethanol’s dirty reputation
An inexpensive way to make ethanol from wood chips reduces net greenhouse gas emissions as much as more costly methods.
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AstronomyA Phoenix on Mars
A new robotic lander will search the north polar region of Mars for habitability.
By Ron Cowen -
ClimateOlympic Clean Up
Rather than wowing its visitors this summer with world-class air pollution, China wants to impress them with its clean, green Olympics.
By Janet Raloff -
AnimalsTwee Twee Tweetle
Bird brains have a separate pathway for the babbling nonsense of baby talk.
By Susan Milius -
EarthIn the aftermath
The charcoal left after a forest fire stimulates microbial activity that boosts carbon loss from organic material covering the ground.
By Sid Perkins