Chris Hadfield: 'You see the world as one place'

The former commander of the International Space Station, Chris Hadfield, has said that being in space changed his perception about the world. The retired Canadian astronaut became something of a global superstar after posting videos of himself singing and tweeting about life in space. via Pocket http://www.bbc.co.uk/news/science-environment-25348910#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa