Scientists just gave a rat the first lab-grown replacement limb

Rat Limb
(Image credit: Courtesy of Ott Laboratory, Massachusetts General Hospital Center for Regenerative Medicine)

A team of scientists in Boston has given one rat a second chance at walking.

Doctors from Massachusetts General Hospital have created what they're calling the first lab-grown replacement limb. And the key might have been a fancy type of detergent:

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Meghan DeMaria

Meghan DeMaria is a staff writer at TheWeek.com. She has previously worked for USA Today and Marie Claire.