Bats that weigh no more than a handful of coins screech 100 times louder than rock concerts, a discovery that could help design advanced robots. Not only are bats the only mammals that can truly fly, ...

When people say bats “screech,” they are usually talking about echolocation calls. Many bats send out very loud ultrasonic bursts and listen for the echoes to map the world and spot insects in the ...

Bats find their way around at night by emitting noise and listening to the way it bounces back to them. But since bats often congregate in large groups, how do they keep from losing their own signal ...