Ask The Naked Scientists

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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...

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

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

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

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

How did HIV originate? Why does anaemia occur more often in Africa? Do growing pains exist? We take on these infectious...

How do Tornadoes form? What's a daisy cutter bomb? why do we get electric shocks when leaving our cars? We take on...

Does our sense of taste change with age? How are horrid and pleasant smells decided by our brains? Is it harder to...