Bats navigate chaos in complete darkness by listening to shifting echoes, adjusting speed instantly without tracking every ...

If you have ever watched a bat cut through the night sky, it almost feels unreal. No light, no landmarks, yet no crashes ...

Like so many mini submarines equipped with sonar, they deftly navigate dark forests and caves by listening for the echoes of ...

Flying bats do not travel through silence. Every call they make comes back layered with sound from leaves, branches, trunks, ...

The Doppler shift of sound or light waves from a moving source is familiar to physicists and non-physicists alike. Now, researchers in China and Australia have seen the more exotic inverse Doppler ...