Professor Brian Cox takes a deeper dive into the science of ageing, with two experts returning to answer more of your questions. How do men and women age differently? Why is it healthy to forget things? What’s the latest research on regenerating old cells?

A Question of Science Series 2 - Coming Soon...
00:55

Ancient Egyptian DNA, Cheddar Man and wolves as pets
25:13

Rethinking sex, artificial wombs and how to up your sperm count
26:58