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Science & SocietyMethane from BP spill goes missing
Latest sampling suggests either that microbes have already devoured the most abundant hydrocarbon produced by the leak — or that researchers have simply lost track of it.
By Janet Raloff -
PsychologyLonely teardrops
Women’s tears appear to contain an odorless substance that, when sniffed, lowers men’s sexual arousal.
By Bruce Bower -
SpaceSuperhot solar mystery may be solved
Jets of hot gas heat the sun’s nebulous outer atmosphere to millions of degrees, well above the temperature on the surface, a new study suggests.
By Ron Cowen -
PaleontologyAn ammonite’s last supper
A detailed X-ray image of a fossil reveals an ancient marine creature’s diet.