News
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HumansFewer fires in Africa these days
How flames spread, not how frequently people start them, controls burning on the continent.
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LifeBPA sends false signals to female hearts
The ingredient of some plastics and food packaging can interfere with cardiac rhythm at surprisingly low concentrations.
By Janet Raloff -
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HumansSmells like a bear raid
Analysis of stock trading data suggests an effort to manipulate the market in 2007.
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PsychologyFace deficit holds object lesson
A brain-damaged man yields controversial clues to how people identify complex objects.