Dr Chris Smith aka The Naked Scientist with the latest news from the world of science and Dr Karl answers listeners' science questions on Radio 5 live's Up All Night programme.

How Dangerous

Dick and Dom explore the surprising science that can be found around us. With the help of some young volunteers, they meet scientists who show them a selection of hands-on experiments - which you can try out for yourself at home - revealing new facts about everything from remote controls to bicycle brakes.

Ranini Samnar is following