Big Sigh

The weirdest reflex you do every five minutes! #stanford #ucla

Stanford Univ. / Krasnow Lab

Coming Up: Sea Urchin Genome

Here's what happens when males get possessive! #sushi #kooshball #dna

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How well do you remember America's leaders?

Daniel Haskett/Ikon Images/Getty Images

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Big Hoax

A physicist takes on conspiracy theories – and wins! #uniofoxford