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Birds that dive underwater — such as penguins, loons and grebes — may be more likely to go extinct than their nondiving kin, a new study finds. Many water birds have evolved highly specialized bodies ...

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Consider the spleen. Many may not appreciate or even think about them very much at all, unless they’ve had them removed, but the Bajau people of Southeast Asia rely on them every day without even ...

Anoles are the scuba-diving champions of the lizard world, able to stay underwater for more than 16 minutes. For animals whose body temperature depends on the environment, time spent in a cool running ...

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