Topic: Lisa Stevens

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  • How does a panda fake being pregnant?

    How does a panda fake being pregnant?

    Even though she had elevated progesterone levels, was sleeping a lot, and was building bamboo nests, it turns out that Mei Xiang, one of two giant pandas at the Smithsonian's National Zoo in Washington, D.C., was not pregnant. Nobody knows why some animals – including humans – experience so-called pseudo-pregnancies.