Episode details
Available for over a year
Scientists say they've solved the mystery of how complex life first appeared on Earth. It all centres on what they call the Snowball Earth theory. The Newsroom's Terry Egan reports.
Programme WebsiteUse Ä¢¹½¶ÌÊÓƵ.com or the new Ä¢¹½¶ÌÊÓƵ App to listen to Ä¢¹½¶ÌÊÓƵ podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
Scientists say they've solved the mystery of how complex life first appeared on Earth. It all centres on what they call the Snowball Earth theory. The Newsroom's Terry Egan reports.
Programme Website