Bat Chirps and Echoes (AUDIO) Brown University Your browser does not support the audio element. Caption Brown University researchers discovered how the echoes from bats' sounds can overlap, which can cause confusion about the location of objects in their path. The blurring of sounds and echoes can be heard in this clip, slowed down 24 times from the original. Credit James Simmons Lab, Brown University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.