John Snow and Cholera

This week we unwrap the secrets of ancient mummies from Peru with the help of London Universitys Lawrence Owens, find out where domestic animals and pets came from with Keith Dobney from the Universit...

4 Mar 200756min

Clean water is something that many of us take for granted, but Mark Booth describes how in many parts of the world dirty water can lead to life-threatening disease and parasitic infections. To talk ab...

25 Feb 200757min

Dr Chris and Dr Helen answer all your burning science questions, including why frost can form even when the air temperature is above zero, why hair looks darker when it is wet, why sunlight looks red ...

18 Feb 200757min

Nuclear energy is always in the news, but how much do you know about nuclear fission and what happens to nuclear waste? To find out how it works, Anna Lacey and Dave Ansell visit Sizewell B power stat...

11 Feb 200753min

The science of pain is our hot topic this week. David Julius reveals the molecular mechanisms of pain and what a chilli pepper has in common with a tarantula, Geoff Woods describes the genetic mutatio...

4 Feb 200755min

This week we take a look at extreme environments and the organisms that live in them. Crispin Little talks about hydrothermal vents and the fastest fossilisation on the planet, Steve Scott explains wh...

28 Jan 200755min

Following this weeks crazy weather we have a look at Climate Change with Eric Wolff from theBritish Antarctic Survey, who will be talking about secrets about the climate locked away in ancient ice,Jon...

21 Jan 200753min

With a new year comes a whole new stack of science questions to challenge Dr Chris, Dr Dave and Dr Kat. This week they explain where the sand in the Sahara comes from, whether mirrors can reflect x-ra...

14 Jan 200753min