5 Live Science Podcast

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.

Dr Chris Smith and the Naked Scientists discuss comfort eating, what happened when a comet collided with the Sun, and why boys' names and girls' names tend to sound different in a very particular way.

Dr Phil joins dr Karl to discuss how alcohol makes us drunk, why looking through a pinhole sharpens poor vision and weighing planets.