A Thai worker prepares grubs to cook. Eating bugs is accepted throughout the world, but it is now being proposed as a healthy and environmentally friendly treat that's catching on in North America and Europe.

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Pythons' huge meals strengthen their hearts, and scientists hope it will help them learn how to treat human heart diseases.

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A customer holds up a spoon of deep-fried water bug in a restaurant in Thailand. Insects are a popular food in Thailand and many other countries around the world.

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A museum employee stands beneath a mastodon skeleton on display at the U.S. National Museum, now the Smithsonian National Museum of Natural History, circa 1917. A new study revisits an old debate about the evidence for an early mastodon hunt in North America.

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