The tongues of cats are covered in claw-shaped hooks that spring into action when it’s time to groom. Built-in scoops carry saliva to the skin to cool it down. Cat lovers know that when kitties groom, their tongues are pretty scratchy. Using high-tech scans and some other tricks, scientists are learning how those sandpapery tongues […]

At a recycling plant in Brooklyn, fat, stealthy rats were more than a match for feral cats, scientists found. New York rats are big and bad. They sit calmly on the subway tracks, ignoring discomfited commuters on the platform. They stroll through Central Park as if they owned the place. They pretty much rule the […]