5 live Science

Dr Karl and Dr Rhod look at dark matter, some quantum physics and discuss whether seedless grapes are GM foods.

The Naked Scientists discuss how dolphins call each other by their names, why some people get allergies, and how an embryo is formed.

In this edition Dr Karl and Dr Rhod consider boiling nitrogen in a bottle, looking for the traces of Apollo on the Moon and why a change in the weather can alter the spin on a cricket ball.

Dr Chris Smith and Dotun discuss the new surgical scalpel - dubbed the intelligent knife or iKnife, how to turn skin cells into stem cells and why medicines you're taking can stop the bugs in your gut working properly.

It's all about the inner workings of the mind with Dr Karl this week. His special guest Charles Spence discusses how the senses work and why tableware affects the taste of food.

Dr Chris Smith joins Dotun to talk about solar powered cars that can go as fast as 80kph, what makes the Earth move (and wobble), and a piece about the spice turmeric and tumours

Dr Andy is joined by Dr Karl and Physics Nobel Laureate, Professor Brian Schmidt to discuss the expanding, speeding universe, dark matter and black holes

Today's episode - how cancers become resistant to chemotherapies, the threat posed by a new strain of flu in China, and a look inside the intestine at its bacterial inhabitants.

This week, how the Voyager space craft is still sending us Postcards from the Edge, after 36 years of space travel, is melting ice shifting the Spin Axis of the Earth, and why you can't exceed the speed of light.

This week, news that plants can do molecular long division; scientists have discovered that plants calculate precisely how quickly to burn off their energy stores overnight so that they run out literally as the Sun rises so they can start photosynthesising again. Also, how a tear-powered contact lens for diabetics can measure their blood sugar.

Dr Karl discusses the speed of space travel, and why sometimes the moon is red.

Dr Chris Smith and the Naked Scientists with the latest news and a focus on how eyes keep blood vessels in their right places.

What jabs would you have to have to travel back to the 17th century, does your body get bigger at night and do you get total darkness in the UK summer?

Dr Chris Smith and the Naked Scientists look at what might have caused the "Tunguska Fireball" in 1908, the use of bacteria to repair crumbling concrete and the effect of tobacco advertising on teens.

Tom Green and our listeners ask Dr Karl why the earth's getting lighter if tens of thousands of meteor dust is landing every year, plus why do different materials feel as though they're at different temperatures while in the same room.