Naked Scientist Chris Smith with the hottest science news stories, analysis and breakthroughs - this episode is a special edition recorded at the Cambridge Science Centre and looks at topics including how animals survive in the cold and what's being done to save coral reefs.

5 live's science podcast, featuring Dr Karl, with the hottest science news stories and analysis. Topics include athletics, electric cars and cigarette smoke.

This week the naked science team look at jealous dogs, beef off the menu, mammoth comeback, and ancient bacteria and moss regrown.

Dr Karl discusses whether police could stop cars with electricity pulses and whether you can improve your memory as you get older in the science phone-in.

5 live Science

Dr Karl answers questions on trumpets, where all the tyre rubber goes, and whether the entire world is actually one single living organism.

This week Dr Chris & The Naked Scientists look at the computer shopping revolution and how your dinner time could affect your body clock.

Dr Chris fills in for Dr Karl this week and answers all your science related questions with Rhod Sharp.

Dr Chris Mason takes a look at all the latest science and technology news. This week: interpreting the gestures that chimpanzees make to communicate with each other, a genetic breakthrough that could help cure diabetes and with the tour de France coming up we take a look at the science behind cycling

Dr Chris joins Rhod as Dr Karl is away this week (although he still manages to make an appearance). Topics include body temperature and why salmon go pink.