Hydrothermal vents at the sea floor offer clues to the origins of life on earth, and beyond.
Before life on earth, what was there?
To be alive is to ponder that question and, perhaps...
READ MOREArmed with GPS-enabled iPads and infrared surface temperature thermometers, students in an urban high school in Pennsylvania fan out on their school property to take temperature readings of grass...
READ MORERecent and projected increases in global temperatures, associated changes in regional moisture, and changes in the frequency of extreme climatic events have raised concerns about potential rapid...
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