The last of four programmes in which Tom Wilkie invites leading thinkers to debate big ideas in science. Is Science Truth? Science is increasingly important. But does it have anything to do with truth? Is it the most honest and rigorous attempt to understand the universe, or could it just be a way of seeing things, with a set of rules imposed by scientists themselves?
Sociologist Harry Collins debates the question with astronomer Sir Martin Rees.
Producer Richard Aedy