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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:

Why can't you tickle yourself? Oct 21, 2011

Show notes

This week, why does a bout of flu leave you with blocked ears? Can grapefruits be engineered to taste like meat? Why is genetic diversity highest in Africa? Why can't we tickle ourselves? And why does seeing someone else suffer make us experience pain ourselves? Plus, news of a treatment for chronic fatigue syndrome, why antivirals might abate Alzheimer's and how seaweeds make corals seasick... Like this podcast? Please help us by supporting the Naked Scientists

What is an itch? Oct 14, 2011

Show notes

Where do allergies come from? What "actually" is an itch? What is meant by matching a donated organ? Why do veins distend on a hot day? What causes floaters in the eye? Join Dr Chris for the answers to this week's fast and furious barrage of questions, as well as news of the origins of the plague... Like this podcast? Please help us by supporting the Naked Scientists

Can you sneeze in your sleep? Oct 07, 2011

Show notes

Why do some things dissolve but others don't, what are the stains on the towels at the gym and how do astronauts keep their balance in the absence of gravity? Also, what causes meteor showers, can you sneeze in your sleep, what's the best way to dislodge a foreign body in the eye, what is pancreatic cancer and what causes sweaty hands and feet? The answers to this lot, plus news of how Earth came by its water and a chemical to keep unblocked arteries clear... Like this podcast? Please help us by supporting the Naked Scientists

Can frozen onions make you cry? Sep 30, 2011

Show notes

Why do onions make you cry and will a frozen onion have the same tear-jerking effect? What medicinal qualities does aloe vera possess? Is ice-crunching harmful? What's the best way to prop up metabolism as we age? What can I do about stress incontinence? Plus, news of what Tweets posted online can tell us about the population's collective mood, and a new way to tell who needs extra investigations after a heart attack... Like this podcast? Please help us by supporting the Naked Scientists

What causes Humans to Combust? Sep 16, 2011

Show notes

Does cooking with gas taste better, why are yawns infectious, how does carbon dating work, what is spontaneous human combustion, why won't a nine year old blow his nose and how can contraceptives help ovarian diseases? Dr Chris takes on this week's slew of science from South Africa and also asks what fatherhod does for a man's testosterone levels. Like this podcast? Please help us by supporting the Naked Scientists

How do electrons orbit in atoms? Sep 02, 2011

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Where does the energy come from that keeps electrons in orbit within an atom? Can cars and truck weigh themselves like lifts to prevent overloading? How long do some atoms or molecules last in the body? What causes croup? Why would electrolysed water go green? Can viruses trigger asthma, and what is reflex sympathetic dystrophy? Join Dr Chris for the answers to this week's round up of questions as well as news that probiotic bacteria can alter brain chemistry - certainly food for thought! Like this podcast? Please help us by supporting the Naked Scientists

How much mucus is made in a day? Aug 19, 2011

Show notes

Where and in what volume is mucus made in the body? Why do bums look darker that skin elsewhere on the body? How does laughter or low mood affect health and immunity and what causes urticaria? Join Dr Chris for the answers as well as news of a new gene screen technique to find new treatments using old drugs and why climate change is driving animals uphill... Like this podcast? Please help us by supporting the Naked Scientists

Is a Dragster Faster Going East? Aug 12, 2011

Show notes

What makes the eye's pupils change size? Does scratching a coin make a machine more likely to accept it? Why does a copper bangle change colour periodically? Does the spinning of the Earth affect the top speed of a dragster? Does ice weigh less than water? Are glyconutrients beneficial for arthritis? And what makes a nose sweat more in winter than summer? join Dr Chris for the answers to these questions as well as news of how fungi and plants create their own free-market economies, and how scientists can reprogramme the immune system to combat cancer... Like this podcast? Please help us by supporting the Naked Scientists

Do microwaves cook from the inside out? Aug 05, 2011

Show notes

NASA announce signs of running water on Mars and scientists turn skin cells into brain cells. Plus the answers to why certain drugs work well for some people but not others, why my muffin burns in the middle in the microwave, why things defrost badly in microwave ovens, the origin of handedness, what causes someone to snore in the daytime, why do some smells linger longer and why do my eyes water when I bend forward? Like this podcast? Please help us by supporting the Naked Scientists

Should I Let the Dog Lick My Wounds? Jul 15, 2011

Show notes

This week - Will wounds heal quicker if licked by a dog? Why does flying cause earaches? How do gas masks work? Why don't continuous rails buckle in the heat? Why do egg shells come in different colours? Dr Chris joins Redi to discuss all of these and more... Like this podcast? Please help us by supporting the Naked Scientists

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