The scoop on how your cat's sandpapery tongue deep cleans

The scoop on how your cat's sandpapery tongue deep cleans

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.Claw-shaped hooksA team of mechanical engineers reported their findings, and say they're more than a curiosity.