Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Dolphins and other toothed whales–or Odontocetes–use their heads ...

MC: Analyzing hours of sound recordings is tedious and costly, so we collaborated with the Microsoft AI for Good Lab to use ...

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" ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Deep-diving toothed whales wash up dead with stomachs full of plastic and prey alike. Their built-in sonar likely can’t tell the difference. Two adult sperm whales swim side by side in Dominica. The ...

Genetic analysis finds evidence suggesting that acoustic fat bodies in the heads of toothed whales were once the muscles and bone marrow of the jaw. Genetic analysis finds evidence suggesting that ...

In the ocean’s abyss, deep-diving whales use echolocation to hunt in pitch dark. Emitting sounds that bounce off objects gives the whales a clear picture of their surroundings. “More often than any ...

Echolocation is a type of sonar used by two kinds of mammals, bats and whales. Bats are mammals that often fly in the dark. Some bats use sonar to navigate (find their way) and to find prey. Whales ...