Series exploring topical scientific issues
Share this with
All episodes available on BBC iPlayer (1 total)
There are no upcoming broadcasts of this programme
Sun 5 Apr 2015 22:00
All previous episodes
See all from 2012-2013
See all clips from 2012-2013
Celebrate 50 years of Horizon with this free downloadable ebook for tablets.
Entire episodes chosen to celebrate the show's 50th anniversary, starting from 1964.