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