April 1, 2015
Special | 26m 44s | Video has closed captioning.
SIU-Edwardsville professor Darron Luesse sent thousands of tiny seeds to sprout on the International Space Station. PBS NewsHour’s Hari Sreenivasan talks with the man listening for signals that might be coming from alien life forms. Efforts are underway to control rapid algae growth that can harm water supplies. Do crows hold funerals? Scientists are studying these social, intelligent birds.
Problems Playing Video? | Closed Captioning