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Eureka!

Book: John Dean; Parchment: iStockphoto.com; Ghosted text: courtesy the Archimedes Palimpsest Project

A medieval priest scrubbed the writing from an ancient Greek manuscript to reuse the pages as a prayer book. Now the long-buried words—written by Archimedes—have been magically restored, and have changed what we know about the origins of science.

  • iStockphoto.com

    Mind Over Platter

    That jumbo box at the theater concession isn't just bad for your waistline, it's playing with your mind, says food researcher Brian Wansink. And he has the five-day-old popcorn to prove it.