Dr Karl and Dr Rhod answer your science questions. This week they discuss core body temperature, reverse swing in cricket and space elevators.

Naked Scientists, Chris Smith and Georgia Mills reveal why bacteria in your gut might control whether you recover from cancer. Plus we model the aftermath of the meteor that finished off the dinosaurs and get under the skin of electronic tattoos.

Dr Karl and Dr Rhod answer your science questions. This week they explore how a Moonbow is made and why fridge doors sometimes refuse to open.

Naked Scientists, Georgia Mills and Issy Clarke get ready for Halloween by finding out if bats are actually blind and more plausible explanations for zombies, vampires, werewolves and haunted houses.

Dr Karl joins Nick Garnett to discuss uranium binoculars, how twins can age at different rates, and could shrink rays ever become science fact.

Naked Scientists, Chris Smith Georgia Mills get answers to the seven biggest questions on artificial intelligence. Find out how it works, whether it will fundamentally change the world and what it means for your job.

Chris Smith, Georgia Mills and the Naked Scientists present the latest science news and breakthroughs.

Find out how an injection of cholesterol could reduce a heart attack's damage, how our brains discern voices and why the lights in your house might replace your Wi-Fi.

Chris Smith and the Naked Scientists find out how exercise on your terms can stave off junk food cravings and why spacecraft engineers helped design your next packet of crisps. Plus, find out who won this year's Nobel Prize for Chemistry, Physics and Physiology, and why. Download the podcast for part two featuring the latest breakthroughs on replacement retinas and how work to create an artificial pancreas could be a game changer in the fight against diabetes. bbc.co.uk/podcasts/5live.

Dr Karl and Dr Rhod are joined by Bill Nye the Science Guy to discuss terraforming Mars, the possibility of a lift to the Moon, and the threat of rocks from outer space

Dr Kris Smith and the team answer your science questions.