04/08/2011

This week's programme asks how far science can help in giving early warnings of floods and saving lives when they do strike. It is over a year since Pakistan was hit by huge floods. The country is still rebuilding, but also now investing in improved early warning systems.

We also look at the origins of the universe, or rather universes; new research suggests parallel universes might exist. And we see how modern medical science has given us insights into the brains of dinosaurs.