5 Live Science Podcast

5 live's science podcast, featuring Dr Karl, plus Dr Chris and Naked Scientists with the hottest science news stories and analysis.

Dr Karl joins Dotun Adebayo to answer your science questions. This week: radiation, electrocution and distant galaxies

This week Dr Chris is joined by nanoscientist Colm Durkan, astronomer Carolin Crawford, existential risk specialist Haydn Belfield and chemist Ljiljana Fruk for a romp through the latest science questions you've been sending in, including what's the Doomsday Clock, how massive is the largest star ever discovered, what's the threat from climate change, and what's a Parsec..."

Dr Karl and Professor Jason Sharples join Nomia Iqbal to answer your science questions

Put on some safety goggles as Dr Chris Smith and the Naked Scientist team ignite your bunsen burners with the hottest science news stories, analysis and breakthroughs.Today they hear about the scientists who've printed a 3d heart valve. Plus is the bleep test really a useful measure of fitness?

Dr Karl joins Nick Garnett to answer your science questions including whether moonlight is more powerful than wifi, and how to weigh astronauts in space.

Dr Chris Smith and the Naked Scientist team delve into the science of computer simulation and ask whether we could be living in the Matrix. Could our reality have been created by a computer? Plus, we meet the people using computer simulation to improve our lives, from predicting the weather to understanding more about the human heart. Also, cancer drugs disguised as fat cells, how cigarette butts are harming our plants, and why canned laughter makes jokes funnier.

Dr Chris Smith and the Naked Scientist team look at the science of computer simulation. Plus cancer drugs in disguise, shark maps, and how canned laughter makes bad jokes funny.

Dr Karl and guests talk about space and the polar change

A special programme looking at the science behind the Apollo 11 mission to the moon.