how do we safely study living brains? - john borghi and elizabeth waters Published 6 years ago • 508K plays • Length 5:00 Download video MP4 Download video MP3 Similar videos 11:05 you can grow new brain cells. here's how | sandrine thuret | ted 19:40 how to live to be 100 - dan buettner 8:46 what happens to your brain as you age