Could we someday be able to talk to dolphins? Here, Beau Richter monitors the breath-holding capability of Puka, a bottlenose dolphin at UC Santa Cruz's Long Marine Laboratory. | T. M. Williams/UCSC

Device May Let Humans Communicate With Dolphins

A prototype dolphin speaker projects the full range of all dolphin-made sounds.

May 24, 2012
3:00 AM EDT