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Ask the Naked Scientists — Life Sciences
Ask the Naked Scientists

How many organs could you donate and remain alive? How many planet Earths could fit inside the Sun? How high is a giraffe’s blood pressure? Why is the sea blue? To find out, Ask The Naked Scientists!

Copyright: © The Naked Scientists

Latest Episodes:

Where does amniotic fluid come from? Sep 07, 2012

Show notes

How did NASA get their cameras to work in the cold on the moon? How does a cordless electric toothbrush charge itself? What is adult respiratory distress syndrome? Where does the amniotic fluid around a baby come from? Why are Olympic races run anticlockwise? Why is sunscreen advised even on cloudy days? What is more accurate, my speedometer, or the speed recorded by my GPS? And why do my sunglasses make LCD displays look strange? This week Dr Chris takes on more of your science questions... Like this podcast? Please help us by supporting the Naked Scientists

Why don't aeroplane tyres explode? Aug 31, 2012

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Is a heater more efficient than a lightbulb? Why does your tongue stick to ice? Do planes alter the weather around airports? What's a headache? Do dreams alter your metabolism? Is medicine making the population less fit? Is teething linked to diarrhoea? Why don't aircraft tyres explode? Join Dr Chris for this week's round up of intriguing science questions and answers from Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists

What is a Black Hole? Aug 24, 2012

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Why does my GPS think my car has moved in the garage at night? Can humans survive a space-ride to Mars? Why are epsom salts worth their salt? What is a black hole and what is inside it? How do the equations for special relativity and kinetic energy relate? Why is Pluto where it is in the solar system? Why have right and left headphones? Join Dr Chris for this week's brain-stretching science phone-in on 702. Like this podcast? Please help us by supporting the Naked Scientists

Why are there 360 degrees in a circle? Aug 10, 2012

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How do nerves conduct electrical impulses? How long does it take a bee colony to make a beehive? Why are there 360 degrees in a circle? How does special relativity work? What happens to a live insect if you swallow it? Is there a north, south, east and west in space? What happens to a diesel engine when the fuel shuts off? Dr Chris needs your help this week, because he's not an apiculturist or a mathematical historian... Like this podcast? Please help us by supporting the Naked Scientists

Why should salt have a sell-by date? Jul 27, 2012

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What's the point of making medicines fizzy? Why should salt have a sell-by date? Is boiled water as good as distilled for my iron? Do we actually only see half a movie? Where do foreign bodies dislodged from the eye go? Is lactose intolerance becoming more common? What causes morning sickness, and is it a risk for mother and baby? Join Dr Chris for this week's round-up of top questions from Talk Radio 702, South Africa... Like this podcast? Please help us by supporting the Naked Scientists

What causes anencephaly? Jul 20, 2012

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This week, what causes anencephaly and exencephaly? Can electric cars recharge themselves from their wheels? How do astronomers determine the composition of exoplanets? Why do things move when I switch eyes while looking at them? Why do animals of the same species all look identical? Can we get dinosaur DNA out of amber? Do hands and feet get fat when a person puts on weight? Join Dr Chris for the latest round up of top questions from Talk Radio 702, South Africa. Like this podcast? Please help us by supporting the Naked Scientists

Why doesn't the sea sink into the seafloor? Jul 13, 2012

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This week, the cause of vitiligo, whether pork is linked to a sore throat, what happens to a flame in microgravity, what causes albinism, what is dark matter and why can't we see it, why doesn't the sea sink into the seabed, why is window-cleaner fatal for flies, what determines diastolic blood pressure and why are some babies born prematurely? Dr Chris takes on more top questions from the listeners of Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists

Why do wounds itch? Jul 06, 2012

Show notes

What does the discovery of the Higgs particle mean? How do flies land upside down on the ceiling? What happens when we divide by zero? Why do healing wounds itch? Does my washing dry by osmosis? How do fibre optics work? What causes a headache? Like this podcast? Please help us by supporting the Naked Scientists

Could we Plug In an Electric Eel? Jun 22, 2012

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Is the moon brighter overhead? Why do babies have higher heart rates? Do men snore more than women? What is peripheral neuropathy? Why are our organs wet inside? How do electric eels work? Why do wires tangle? What is the basis of a skin graft? This week Dr Chris takes on more tough questions on TalkRadio 702, South Africa... Like this podcast? Please help us by supporting the Naked Scientists

Could Lightning Power a Town? Jun 15, 2012

Show notes

What gives a flame its colour, and what is the hottest part? What limits the height of a skyscraper? How does post-exposure prophylaxis for HIV work? How do they put the lines on a clay tennis court? Why do some songs cause goose-pimples? Why are some people better at withstanding temperature extremes? And can lightning be collected as a power-source? Join us for the answers and some lively chat from Talk Radio 702, South Africa. Like this podcast? Please help us by supporting the Naked Scientists

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