Science phone-in podcasts answering science questions and discussing topical science news stories...

26 November 2010

What's more accurate, vehicle speed according to a GPS unit, or the speedometer? Also, what causes the Earth'...

19 November 2010

How do space travellers navigate, can you swallow in microgravity, does apple cider vinegar help with weight loss, is...

12 November 2010

This week, how Tetris could hold the key to blocking the bad memories and flashbacks behind post traumatic stress...

05 November 2010

Where do accents come from, can glass be magnetised, what's the point of males and females and can people get...

29 October 2010

Join Dr Chris to discover why a work out makes you whiffy, how grass can grow in concrete, what diseases birds can give...

22 October 2010

What stops water moving through a tiny hole, are ground up tablets safe to swallow, what are freckles, how fast can a...

15 October 2010

This week Dr Chris discusses how volcanoes can cut global warming, the evidence for genes linked to race, whether...

08 October 2010

Are fat cells all made equal, why women glow while men perspire, the science of electromagnetic induction, what is...

01 October 2010

Where does the waste from an aeroplane toilet go? And could you ever really get stuck to one when pressing the flush?...

24 September 2010

How do dolphins and other marine animals hydrate themselves? Can we use nanotechnology to fight disease? How does a...

17 September 2010

How does a mobile phone mast work? What affect does living in space have on the human body? Could tractor beams become...

10 September 2010

Are we at risk when we use public toilets? What can we catch from kissing strangers? Why is it safer to eat cooked...

03 September 2010

Why do pigeons nod their heads? How does food become body fat? What can you do with a ramjet? We take on these...

27 August 2010

On Ask the Naked Scientists this week, we find out how cacti can survive with very little water, and why they are so...

20 August 2010

How did we measure geographic distances before GPS? And how do GPS satellites do it now? Would floating bridges help in...

13 August 2010

How small is a proton? What is a photon? And how do colour-changing toys work? We'll find out the answers to all...

06 August 2010

How do lasers work? And why is a hydrogen atom bigger than a helium one? Why is there no oxygen on other planets?

30 July 2010

Why does time seem to go by faster as we get older? What do IQ tests really measure? How do probiotic yoghurts work? We...

23 July 2010

Why does sugar look so different when you heat it up? How much CO2 is there in all the world's bottles of Cola?...

16 July 2010

Do we really need 8 glasses of water a day? How does a jet engine work? Where does earwax come from? Why are some apes...

09 July 2010

Why are moths attracted to light? How do red-leaved plants photosynthesise? Why don't hayfever sufferers become...

02 July 2010

How does vinegar 'cook' an egg? How does Google work? Are the colours we see really real? We'll get the...

25 June 2010

How are crisp flavours created? What makes flies so resilient? Why do some women get facial hair with age? We take on...

18 June 2010

Is microwaved water safe? Why does a mirage form? What causes that shimmer on a hot road? We tackle all of these...