Alan Guth

Mar. 21, 2014

Detecting the ‘Bang’ from the Big Bang

Researchers detected waves coming just after the Big Bang 13.8 billion years ago.

billions, 14 billino, 13.8 billion, gravity waves, cosmic inflation, cosmic microwave background

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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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