Bat Acrobat (IMAGE) Brown University Caption A Brown University-led team strapped microphones onto heads of big brown bats and recorded the sounds they emitted and the echoes that returned to learn how bats detect objects in space and successfully maneuver around them. 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.