The Seal is a Sneaky Swimmer

Why can harbor seals outswim humans?

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Why Do Cliff Swallows Live Together?

Scientists have learned why these birds live in colonies.

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A New Look at Hummingbirds

How does a hummingbird's thin beak snatch bugs from the air?

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Drilling in the Ocean Floor

Scientists visit the oceans of the world to study what is beneath the sea floor.

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