Main content
Cost of travelling to Mars 'astronomical'
Prof Tom Pike speaks to the Today programme's Sarah Montague.
Duration:
This clip is from
More clips from 24/07/2013
![]()
Beyonce: Coping with concert disasters
Duration: 06:08
![]()
New technologies are 'killing jobs'
Duration: 05:22
![]()
A&E problems 'can be solved by winter'
Duration: 10:22
![]()
Forest fires 'will become more frequent'
Duration: 07:36
More clips from Today
![]()
Heart surgery success linked to time of day, says study
Duration: 03:03
![]()
Today's Babies: Meet the families
Duration: 13:31
![]()
Today guest editors: Theresa May
Duration: 01:46:02
![]()
Today guest editors: Tom Holland
Duration: 01:16:52
