Gerard Williger

Jan. 18, 2013

Colossal Quasar Clump Too Huge to Exist, in Theory

Astronomers have discovered a clump of 73 quasars spanning four billion light years at its widest point -- that's like 40,000 Milky Way galaxies lined end-to-end.

astronomy, space, stars, galaxy, biggest astronomical formation

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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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