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ClimateRising CO2 levels might not be as good for plants as we thought
A 20-year experiment spots a reversal in the way two kinds of plants take up extra carbon from the atmosphere.
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AnimalsMale fruit flies enjoy ejaculation
Red light exposure made some genetically engineered fruit flies ejaculate, spurring a surge of a brain reward compound — and less desire for booze.
By Susan Milius -
AnthropologyA hole in an ancient cow’s skull could have been surgery practice
Before performing skull operations on people, ancient surgeons may have rehearsed on cows.
By Bruce Bower -
PhysicsHow ravens caused a LIGO data glitch
Ravens pecking at frosty pipes caused a glitch in gravitational wave data.