Echolocation lets animals use sound as a guide in places where vision fails. They send out clicks, chirps, or taps and interpret the returning echoes to find prey, avoid danger, or move confidently in ...

Toothed whales use sound to find their way around, detect objects and catch fish. They can investigate their environment by making clicking sounds, and then decoding the “echoic return signal” created ...

Illustration showing a goose-beaked whale emitting an echolocation click while foraging, with the sound waves reaching hydrophones on acoustic recorders at different times. This time difference allows ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

Few people sight the cryptic creatures swimming in Monterey Bay, but sonorous sperm whales abound if you listen. The chatter of undersea creatures fills the soundscape, and the clicks of sperm whales ...