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How Diving Mammals Stay Underwater fo  Diving mammals, such as this Galapagos sea lion, evolved adaptations allowi...
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A Cheetah Can Get You Without Hitting  This captive, young male cheetah covered 100 meters in 7.19 seconds in a ti...
Hope for Endangered Butterfly Species Researchers are working to save the Schaus swallowtail, a species of butter...
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