Science On Top

Hosts: Ed Brown, Penny Dumsday, and Dr. Shayne Joseph Topics covered: Ecologists say not to worry about invasive species if they don't cause problems, pristine meteorites suggest the building blocks of life came from outer space, NASA's DAWN probe nearly at the asteroid Vesta, Tamarind seeds regrow nerves and is your coffee causing you to hallucinate? Our theme music, Step On It, kindly provided by The Upstanding Members. Duration: 0:36:19.