1 online resource (streaming video file) (27 min. 27 sec.) ; 165575927 bytes
Summary
Tonight Catalyst revisits some of our most popular stories including: bio printing replacement organs for humans; astronaut John Grunsfeld, 30 years commuting between earth and space; why sitting down could potentially kill you, the tiny peacock spider in all it's glory and what are your chances of a win on the pokies?