What do bats, dolphins, shrews, and whales have in common? Echolocation! Echolocation is the ability to use sound to navigate. Many animals, and even some humans, are able to use sounds in order to ...

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Although bats are nocturnal, they’re hardly flying blind. Most bats see with sound thanks to echolocation: They emit ultrasonic calls that bounce back off physical objects in front of them.

In yet another first for graphene, physicists from the University of California, Berkeley, have employed this versatile material to create ultra-thin, lightweight ultrasonic microphones and speakers ...

Bats, as the main predator of night-flying insects, create a selective pressure that has led many of their prey to evolve an early warning system of sorts: ears uniquely tuned to high-frequency bat ...

A researcher holds a pallid bat (Antrozous pallidus) in El Cañon de Guadalupe in Baja California, Mexico. (Veronica Zamora-Gutierrez / UCL/University of Cambridge) If you’re looking for bats, ...