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National Zoo and Conservation Biology Institute

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How Genomic Science Solved a Cheetah Cub Paternity Mystery

When Echo's five cubs were born last fall, their exact lineage was unclear. A genetic analysis conducted by Smithsonian scientists revealed the truth.

Cheetah mother and cubs huddled together in the grass

Meet the Small but Mighty Microbiomes

Trillions of microscopic bacteria play an important role in keeping animals healthy

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