Bats Raised in Helium-Rich Air Reveal a Key to Echolocation

It’s now well-established that bats can develop a mental picture of their environment using echolocation. But we’re still figuring out what that means—how bats take the echoes of their own vocalizations and use them to figure out the locations of objects. Ars Technica This story originally appeared on Ars Technica, a trusted source for technology […]