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Ask The Naked ScientistsThe Naked Scientists: Science Radio & Science Podcasts |
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Are premium-priced fuels really worth the extra cost? Why are males born with nipples? Is a male contraceptive pill in the offing? Do all animals get the same number of heartbeats? Does any one organ failing cause death? Can aeroplanes run on diesel? Why does silver tarnish? What causes lightning? Is mental illness curable? Join Dr Chris for the answers to this week's crop of queries from South Africa.
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Why do I bruise more easily now I'm older? Why do some wind turbines spin in reverse? Are UV sunbeds worse for young skin? Ozone therapy, or quackery? Why do I want to eat chalk? Is blood the same in all animals? And alongside the answers to the best science questions 702 listeners have to offer, Dr Chris also reveals new radio-controlled cells...
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What substances are in snake venom? Where is sea-level measured? Are any of my cells the original ones I was born with? Are we seeing the effects of global warming? How does planetary precession work? How do bullets do damage? How can you tell when a melon is ripe? Why are men so stubborn? Plus, how fossilised raindrops are shedding light on what Earth's atmosphere was like 3 billion years ago...
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What causes jaundice in newborn babies? What is vitiligo? How do liquids behave in space? What causes cardiac arrests? What would happen if Earth span in reverse? What is Bell's Palsy? What are quarks? And how do hiccups occur? Join Dr Chris for this week's crop of questions from South Africa's Talk Radio 702...
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Does alcohol affect men and women the same way? Do other animals menstruate? Does intensive training affect a woman's fertility? Is it bad for birds to drink from my swimming pool? Should I shower during a thunderstorm? What causes a febrile convulsion? What is photocatalysis? Who gets gallstones and what are they? Why do whales have horizontal tails? Join Dr Chris on Talk Radio 702 for this week's select crop of top science questions...
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What does the genetic fingerprint of Ozti, the 5300-year-old Alpine iceman, reveal? Why do the bubbles in a glass of Guinness appear to be defying the laws of physics? Could we replace food with pills? Why did a dead bee still sting me? Is there any evidence that Voodoo does do anything? Why do balloons go bang? How do ducklings recognise their mothers? And why are planets round? Join Dr Chris for this week's crop of top science questions from South Africa...
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Can we grow a hamburger in a dish? What's the one meat that vegetarians can ethically eat? Do ants regard rival colonies as friends, or foes? What causes a cerebrospinal fluid leak and can it be repaired? Are flies the same everywhere? Why does beer freeze when you get it out of the fridge? And what could cause an itchy neck? Join Dr Chris for the answers to Talk Radio 702's top science questions...
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Why is amputation necessary in cases of gangrene? What is aspartame and can it cause Alzheimer's? What's the basis of the Atkins Diet? How is melanin made and is neuromelanin the same stuff? Why do objects in the rear view mirror appear closer than they are? Are insecticidal deaths painful for insect victims? Why does booze cause a ruddy complexion? And at what age do babies begin to think? Join Dr Chris for another round up of top quality questions from South Africa...
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What is freezing rain, do cats control their owners, how do accents arise, why does hair go grey, what is the origin of deja vu, why did my glass table spontaneously explode and is the world population becoming more or less genetically diverse? Dr Chris tackles this week's round up of the best science questions from South Africa...
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This week we debate whether wounds should be left open or covered up, why toenails - but not thumbnails - ingrow, what is hydatid disease, whether we can tag people to track them for life, what causes ringworm, the difference between a TIA and a stroke and what happens to the solid fuel boosters jettisoned by the space shuttle during ascent. Plus, a look at jumping spiders' eyes! Join Dr Chris on Talk Radio 702 for all the answers...
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How much water should you drink in a day? Can miscarriages be prevented? What's more efficient - leaving the hot water on constantly, or heating it only when needed? Why are some eggs double yolkers? What's the point of flies? And why do some people have more than five fingers? Join Dr Chris for another crop of South Africa's top science questions on Talk Radio 702...
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Are cellphones safe? Why should cornflour make irradiated skin more comfortable? Why do dogs turn in circles before they lie down or defaecate? Are there any materials transparent to the eye but opaque to a camera? Is the Sun orbiting anything? How do they get the stripes in the toothpaste? Is blood donation an alternative to dieting? What do cows actually eat - grass, or bacteria? And why are birds so clever yet we rule the world? Join Dr Chris and the 702 crew for the first episode of Ask the Naked Scientists, 2012...
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