Alle episoder

How do lasers work? Could lasers be used to treat cataracts and blindness as well as our eyesight? Why is a hydrogen atom bigger than a helium one? Wh...

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

Why does sugar look so different when you heat it up? How much CO2 is there in all the world's bottles of Cola? And which way is it to the Centre of t...

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 vegetarian when we're not? We f...

Why are moths attracted to light? How do red-leaved plants photosynthesise? Why don't hayfever sufferers become tolerant to pollen? We take on these...

How does vinegar 'cook' an egg? How does Google work? Are the colours we see really real? We'll get the answers to all of these, plus explore how g...

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

Is microwaved water safe? Why does a mirage form? What causes that shimmer on a hot road? We tackle all of these questions this week, as well as look ...

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

How do Tornadoes form? What's a daisy cutter bomb? Why do we get electric shocks when leaving our cars? We take on these questions as well as find out...

Does our sense of taste change with age? How are horrid and pleasant smells decided by our brains? Is it harder to urinate when you're older? We tackl...

Why can't we tickle ourselves? Is deafness down to our genes? Can diabetes cause Eczema? How does deodorant prevent body odour? We take on these quest...

Ask the Naked Scientists, South Africa! This week we're adding a new member to the Ask! family with a new show on South Africa's flagship station Talk...

What effects can underground nuclear explosions have on our land? How do antibacterial cleaners work? Could bacteria be used to clean up our environme...

Do earthquakes shift the earths axis? If the population of China jumped at once would it cause an earthquake? How much lava is inside the earth? Would...

Could a comet shield the earth from the sun? How do planets form around stars? Why are planets spherical? What's the temperature in space? We tackle t...

Why are some Volcanic Eruptions stronger than others? Why can't aeroplanes fly around the ash in the sky? Is our ozone layer still a concern? Why will...

Why does it feel hotter when the sun is out? Why can we see clouds at night? Is the sky always grey when it rains? We tackle these question on this we...

Do cats have a sixth sense? How do dogs moult? Why are some hairs longer than others? Why do women get hot flushes? We tackle these questions on this ...

Why do boomerangs return? How do painkillers know where to go? Are some painkillers faster than others? Why do men have nipples? We take on these ques...

How does lightning strike? Should we worry about radiation from mobile phone masts? Do our TV sets give off any radiation? Why do we see the Northern ...

Could the Earth cope without the Moon, how do safety matches work, what causes hiccups, why don't frosts form undercover, should NASA put people on an...

How does fuel burn in spaceships without oxygen? Why do we see sun rays from behind clouds? Why is there often a red glow in the night sky? We take on...

Why is Jupiter round and how does it hold onto its gas, how does skin thickness vary around the body, why does milk soothe the effects of chilli, how ...

How do meat-tenderisers make meat more succulent, how do they get the corks into Champagne bottles, do explosions travel in space, why have golf balls...

How do we fall in love? What is our universe Expanding into? Will our universe ever be sucked back inwards? We take on these cosmic questions in this ...

Why does the earth spin? Is the moon moving farther away from earth? What are the odds of winning the lottery twice in a row and of getting the same n...

Does being hot under the collar ever lead to spontaneous combustion? Will we ever get smellovision? Does being ill make you smarter? We take on these ...

Why do buses get steamy, how do ships withstand super-waves, what's really invovled in balancing on a bike, how come Hawaii's on a hot-spot and do flu...

How long to bones take to heal? Are healed bones stronger than they were before? How do glow worms glow? We tackle these bright questions on this we...