echolocation echolocation

A new study suggests Risso's dolphins, which are common along the U.S. Pacific Coast, use past experiences to plan their dives for food. Elizabeth Haslam/Flickr hide caption

toggle caption
Elizabeth Haslam/Flickr

Risso's Dolphin Group

  • <iframe src="https://www.npr.org/player/embed/589327979/589469243" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Echolocation is second nature to animals such as bats and dolphins. Can humans also find their way using sound as a tool? Ian Waldie/Getty Images hide caption

toggle caption
Ian Waldie/Getty Images