5 Live Science Podcast

Are the seas getting saltier and where does soap come from. Dr Karl explains.

Dr Rhod and Dr Karl discuss the health effects on the body of ‘the man who fell to earth’ and the mystery of one callers evaporating fish tank water.

On this week's edition of the Naked Scientist: a Nobel prize for a Cambridge cloning pioneer, and an analysis of a meteorite landing in Morocco from Mars shows it contains samples from the red planet's interior, surface and even atmosphere

A new genetic test for babies, does the black mamba's venom contain a better painkiller than morphine and a shake-up for the world of seismology.

Can a dose of stem cells keep you youthful? And why do foetal cells trespass into the brains of pregnant women? Also; the research that could turn your clothes into pollution busting filters.

Dr Karl is joined by human evolution and anthropology expert Elizabeth Hagen and astronomer Simon O'Toole. They answer questions about Halley's Comet, the Mars Rover and how do we know what colour dinosaurs were?

Dr Chris Smith and the Naked Scientists with a weeks worth of science news including: rats bingeing on chocolate, the physics of pony tails and can you think yourself thin?

Dr Rhod and Dr Karl are joined by Professor Geraint Lewis, an expert on Astrophysics, Cosmology, Black Holes, Relativity and a huge number of other things.

Dr Karl and Dr Rhod are prefaced, in this edition, by two science stories; gas clouds at the centre of our galaxy and a bad smell in Los Angeles. After dealing with the lingering odour Dr Karl moves on to gravity waves and radiation.

Dr Chris and the team tell Dotun Adebayo a little about the science involved in the Paralympics and research to be done under the Antarctic ice sheet

On the latest edition: Dr Karl looks at the advances in stem cell research. Why do some people get bitten by mosquitoes and others don't? The latest on nuclear fusion. And what's the quietest sound a person can hear?

Dr Karl and Dr Rhod discuss string theory, why medicine can't yet replace cartilage and why kettles go quiet as they near boiling point.

Dr Chris Smith and the Naked Scientists find out about pacemakers for the brain, new ways to help after heart attack and find out whether the water we take out of the ground from aquifers being replaced.

On the latest edition of the Naked Scientist: More on the Mars Curiosity expedition. Why we eat less food as we get older? And why does tin foil placed behind a radiator generate more heat in a room?

On the latest edition of the Naked Scientist: NASA's mission to the red planet. Do elephants purr? And how do supermassive black holes form?

Dr Karl and Dr Rhod discuss how much you should chew food, why some substances conduct electricity while others don't, and what's going to happen as the world's supply of Helium runs down.

In this edition - It's the first week of the 2012 Olympics, and the Naked Scientists have been looking at what science is doing for Team GB, with the help of Sir Steve Redgrave.

Dr Rhod and Dr Karl discuss blood pressure (What affects it?), long bridges (How strong do they need to be?) and teenagers (How do you interest them in science?)

Dr Chris Smith tells Dotun about the rage of rats and new developments in our knowledge of DNA and RNA

Dr Karl and Dr Rhod are on hand to answer science questions posed by our texters, emailers and callers.