Greg Laughlin

Jun. 12, 2009

Colliding Planets (Don't Panic)

New research finds a small -- but present -- chance of a collision between Earth and one of its planetary neighbors in the next few billion years.

planet, colllision

Jan. 30, 2009

Heating Up on a Distant Planet

Astronomers have discovered an exoplanet that experiences temperature swings of as much as 700 degrees within a matter of hours -- and are working to model the weather patterns there.

astronomy, planet, star, exosolar planet, exoplanet

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Michael Pollan Talks Plants and Food

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Myths and Tips on Keeping Your Cool This Summer

Think caffeine dehydrates you? Or that you can't get too much water on a hot day? Douglas Casa, of the Korey Stringer Institute, sets the record straight.

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