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3-Parent Babies, Shrinking Moles, Being Kind to Narcissists

Curiosity Weekly

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Does Shrinking Allow Shrews to Conserve More Energy?

Most animals who do this weird shrinking trick are energetic and don't hibernate. A recent experiment became specifically focused on the phenomenon by supplying European moles with a consistent food source. Even though it conserves energy, most of the creatures affected skulls never grow back to a normal size.

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