Bats navigate chaos in complete darkness by listening to shifting echoes, adjusting speed instantly without tracking every ...

We all know that bats are masters of the night, with their high-pitched calls and whisper-quiet wings, weaving through ...

Bats famously have an ultrasonic navigation system: they use their extremely sensitive hearing to orient themselves by emitting ultrasonic sounds and using the echoes that result to build up a picture ...

The range of human hearing goes up to about 20 kilohertz, which is fine for our purposes, but is pretty poor compared to plenty of other animal species. Dogs famously can hear up to about 60 kHz, and ...

(THE CONVERSATION) It is late at night, and we are silently watching a bat in a roost through a night-vision camera. From a nearby speaker comes a long, rattling trill. The bat briefly perks up and ...