Professor of genetics Steve Jones and science fiction writer Matt Ridley debate why we bother with sex.
This week, Chris Stringer and Alan Thorne argue about when humans got out of Africa.
Did we leave early and evolve into modern people in several parts of the world? Or did we leave late, already homo sapiens, and walk to the world's different regions?
|03||Thoughts On Consciousness||19970621|
With neurobiologist Susan Greenfield and philosopher Galen Strawson.
|04 LAST||Is Science Truth?||19970628|
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 issue with astronomer Sir Martin Rees.