Charles Cockell is Professor of Astrobiology at the University of Edinburgh and Director of the UK Centre for Astrobiology, which he established in 2011. His interests involve life in extreme environments, the habitability of extraterrestrial environments and the exploration and settlement of space. He has previously worked at NASA and the British Antarctic Survey.
James P. Gray discussed reforms in criminal justice, including the legalization of pot. Followed by Charles Cockell on what alien life may be like.More »