What are the consequences of nuclear war?

This week: plummeting bird populations; the global climate strike; whether blood-letting benefits high blood pressure; why vaseline won't melt in the microwave; how pilots land planes even though the Earth is spinning; how birds pattern their plumage; why your nose runs when you wake up; what causes morning breath, and why would a car use more fuel driving a journey on the outward leg compared with the return journey? Join Dr Chris and 567 Cape Talk's Kieno Kammies as we Ask! the Naked Scientists...

Is flying a threat to glaucoma? Do blood groups affect diet? Is 5G harmful to my health? Why do cats have vertical pupils? What is candida infection and how can I treat it? Does speaking quickly actually communicate more information? Why am I addicted to eating toilet paper? Is the new 5G data network a health hazard? Join Dr Chris Smith and Talk Radio 702's Azania Mosaka as they strip down your science questions...

Chris Smith from the Naked Scientists takes on YOUR questions. What's the link between humidity and temperature? Is cooked meat or food healthier than the raw version? Why does the moon always have the same face pointing towards the Earth? Why do you feel like you're breathing in cold air after eating a menthol sweet? Why do we open our mouths when putting on makeup? Why are some people more susceptible to side effects of medication? Do wild animals snore?

Chris Smith from The Naked Scientists takes on YOUR questions with Azania Mosaka from Talk Radio 702. How does a body decompose? Why doesn't the body digest spinach? How can you find natural water sources? Can stem cells repair eye conditions? Does tolerance of temperatures change with race?

Chris Smith from the Naked Scientists takes on YOUR questions. Why do you sometimes see a half moon at sunrise? Why do some body hairs never go grey? Could a coin falling from the top of the Empire State Building kill you? What is the Earth's murmur? Why do effects from nuclear disasters like Chernobyl persist for many years? Does the amount of UV from the sun vary between different countries? Why do beans and sprouts make you pass gas? If a volcanic eruption as big as Krakatoa happened today and filled the atmosphere with ash, how long would planes be unable to fly? Could a person survive in a falling lift if they jumped as it hit the ground? Plus, Chris touches down on the shores of sunny South Africa...

Chris Smith from the Naked Scientists takes on YOUR questions. Can you use magnets as a source of electricity? Does chemotherapy make you lose hair from other parts of your body alongside your head? Can your brain adjust to seeing upside down by flipping your vision? Does leaving your car heater on in winter make you sick? Why does a microwave cook meat starting on the outside, but butter starting on the inside? Why does tinfoil not get hot in the oven? Plus, the Australian National Phenome Centre - a project that could revolutionise healthcare...

Chris Smith from the Naked Scientists takes on YOUR questions. Why do men go bald on the tops of their heads first? Do we really share 50% of our DNA with bananas? Why do birds swoop down in front of cars? Is there such a thing as tuberculosis of the spine? How is it you can tell people are looking at you out of the corner of your eye? Plus, the seagulls that are carrying antibiotic-resistant bacteria...

Chris Smith from the Naked Scientists takes on YOUR questions. Why do some dogs recognise themselves in the mirror, or recognise other dogs on TV, while others don't? Why is the sky blue? Why doesn't mitochondrial DNA recombine like other DNA, and does it run into problems with natural selection? How come you can get electric shocks from tracksuits? Why might planting trees help prevent climate change? Plus, Chris reflects on almost twelve years of questions on Radio 702...

This week, on its 50th Anniversary, Dr Chris reflects on the Apollo 11 Moon landings, explores the basis of Bell's Palsy, explains the origins of an itch, and asks if wheat is bad for you. We also discuss the microbiome and food intolerance, why burned food tastes great but could give you cancer, whether Tourette's would be a good excuse for being caught speeding, why radio signals are out of sync through different devices, and if the Moon is a piece of planet Earth. As always, if you want to know the scientific answer... Ask the Naked Scientists!

Chris Smith from the Naked Scientists takes on YOUR questions. Why might someone with diabetes lose a limb? How can you predict a dangerous solar flare? Are humans really related to Neanderthals? Do we love water because we evolved from the ocean? What percentage of our brains do we really use? What causes shingles, and what's the best way to treat it? Which parts of the brain are affected when you're stressed, and can cannabis help with stress relief? Plus, the 'smart' insulin that could mean the end of insulin pens...