News
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NeuroscienceSome grape-scented compounds repel mosquitoes
Molecules discovered to drive away bugs after researchers identify cells that detect, and are disgusted by, DEET.
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AnthropologyAncient farming populations went boom, then bust
Agriculture’s introduction led to big falls as well as rises in numbers of Europeans.
By Bruce Bower -
MicrobesMicrobes signal deceased’s time of death
In a study using mice, germs accompany the body’s decay in a consistent time sequence.
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ClimateHumans found guilty in climate change
International panel’s confidence increases that society is responsible for global warming.
By Beth Mole -
Planetary ScienceCuriosity gets the dirt on Mars
The NASA rover completes an analysis of the first soil collected from Gale Crater.