Scientists use GPS satellites to track Greenland ice sheet melting
Read now →Scientists could already measure soil moisture, wind velocities, snow depth with GPS satellites. Now they can also monitor melting ice.
Tropical glaciers are receding, but hidden groundwaters can make up the difference
Read now →For now
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Your brain adjusts your body's clock according to all the colors of the rainbow
Read now →Springing forward for daylight saving time means less blue light, but also light contrasts
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