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Tech

Disappearing Ink

Coming to your tattoo parlor soon: New inks that allow clients to have their designs cleanly erased if embarrassment or regret sets in.

Humans

From the October 2, 1937, issue

The mystery and magnificence of volcanoes, how bees dance to tell their hive-mates which flowers to visit, and the year's polio cases begin to decline.

Health & Medicine

Yummy Bugs

Do you enjoy chocolate? You can make it more nutritious by bugging it—with crickets, for example. Or how about ant-fortified tacos? This site introduces Westerners to the idea that many commonly encountered insects are edible. Indeed, most are lower in fat—and higher in protein—than beef, lamb, pork, or chicken.