WASHINGTON (AP) Cat lovers know when kitties groom, their tongues are pretty scratchy. Using high-tech scans and some other tricks, scientists are learning how those sandpapery tongues help cats get clean and stay cool.
The secret: Tiny hooks that spring up on the tongue with scoops built in to carry saliva deep into all that fur.
A team of mechanical engineers reported the findings Monday, and say theyre more than a curiosity. They could lead to inventions for pets and people.
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