News
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EarthAntimosquito coils release toxic fumes
Researchers have measured several pollutants in smoke emitted from so-called mosquito coils, which people burn at night to fend off insects.
By Ben Harder -
Adults’ brains show temperamental side
Using brain-imaging techniques, psychologists have identified possible neural locations underlying shyness or gregariousness.
By Bruce Bower -
PlantsCrop genes diffuse in seedy ways
A study of sugar beets in France suggests that genes may escape to wild relatives through seeds accidentally transported by humans rather than through drifting pollen.
By Susan Milius -
Let there be light
Ultraviolet light may have favored, not hindered, the creation of RNA on early Earth.