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All Stories by Freda Kreier
The upper edge of the troposphere, the slice of sky closest to the ground, rose 50 to 60 meters (165 to 200 feet) a decade from 1980 to 2020.
The final refuge for summer sea ice may also protect the creatures that depend on it. Saving it is an ambitious goal with many hurdles.
Health & Medicine
David Julius and Ardem Patapoutian found nerve-cell sensors for temperature, pain and pressure.