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(<a href='http://www.shutterstock.com/gallery-2303p1.html'>Serg Zastavkin</a> via <a href='http://www.shutterstock.com/'>Shutterstock</a>)

Teens are now more likely to get genital herpes

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(Accelerator Chips Matt Beardsley/SLAC)

A particle accelerator the size of a speck of glitter

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