News
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EarthModerate climate warming could melt permafrost
Ancient cave formations in Siberia reveal effects of warmer past on frozen ground.
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LifeInsulin levels wax and wane daily
Modern life may clash with the hormone’s natural cycle, new mouse research suggests.
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SpaceNew home for runaway black hole
Galactic merger and ejection may have sent a cosmic wanderer through deep space.
By Andrew Grant -
EarthIntensive care linked to BPA exposure in newborns
High levels of pollutant BPA occur in sickest babies, study finds.
By Janet Raloff -
LifeBees learn the electric buzz of flowers
Floral electric fields could join color and fragrance as cues to pollinators.