Ask The Naked Scientists SA

Naked Scientists  |  Podcast, ±24 min episodes every 1 week, 4 days
Why scratch your head if you don't know the answer? What about the Earth made the dinosaurs so big? Why does the Universe spin? Is the Sun seem brighter in the morning than the evening? Are autistic people particularly at home with computers? Why do effervescent tablets fizz only in water? Why do Parkinson's patients sleepwalk without difficulty? Plus, news of a decoy molecule that can treat dwarfism and what earwax has revealed about blue whales...
Where does water come from, what would have happened if the dinosaurs hadn't been wiped out, does rheumatoid arthritis ever go away, do animals have blood groups, how to stop water from getting contaminated, can the ozone regenerate and why do mosquitos like humans?
What is the universe made of? Can neutrinos really travel faster than the speed of light? Will robots ever take over the world? How does wind form? What would happen if you expose yourself to outer space? Can you tickle yourself?
What happens to the rubber that comes off tyres, what causes stuttering, how do living things produce oil, why do you develop allergies in adulthood, how can one blood clot in the brain cause so much damage, are memories only stored in the brain and does taste develop in the womb?
What was before the big bang? Does turning off your heating intermittently actually save energy? Can you prove or disprove free will? Why are flies attracted to bad smells? What is the point of going to Mars? Why do I get a shock from my blanket? Why do we see the same stars at night? Plus, growing a human kidney...
Why do wires tangle? Is borehole water drinkable? Does sea water evaporate? Why are there no more intelligent hominids except humans? How are mountains formed? What makes up non-stick linings on frying pan and are they safe? Plus, the Volkswagen emissions scandal.
What causes sleep paralysis? Is urine beneficial to drink? Can we clone from fossils? How can galactic collisions occur? What is the difference between Bipolar and PTSD? Can carnivores eat other carnivores? Plus the first ever in vitro sperm genesis.
How old are the Homo naledi remains? How do nails end up in tyres to cause punctures? How did the H. naledi people see in the dark cave where the remains were found? Can vitiligo be reversed? Why were the H. naledi remains deposited in the Rising Star Cave?
Does the intensity of the sun influence water evaporation, what reasons could there be for a sudden drop in heart rate, how do fixed drug erruptions work, if you stop water from expanding will it still freeze, by keeping sick people alive are we getting weaker as a species, does a full moon energise water, as a species do we have physical limits, how does a headless chicken run and how does a greasy breakfast help a hangover?
Is DNA set to replace the harddrive? Chris told us about a story where DNA could be used to store digital information and preserve essential knowledge for thousands of years. We then opened the lines and invited listeners to call in with their science related questions.
The Naked Scientist told us about a possible universal flu vaccine that is being researched. We then opened the lines to listeners to call in with their science related questions. What happens to a full container of water when you freeze it? Why does it seem to get colder at day break? Do our bodies use 70% of the energy we consume even when we are not active? Should I eat for my blood type? How does a cockroach survive being cooked in a microwave? Why can sheep and goats not mate? Is it beneficial to take molasses if you are anaemic? What causes gravity? If evolution is true, why are we not still evolving?
How do humans generate body heat, how does rice fix a waterlogged phone, how does a thermos flask store hot water without expanding from the steam, why don't airplanes gain height when flying strait, why do people lose consciousness if the cabin pressure is lost on a flight, does a slipstream ever help the lead cyclist, why don't people bleed out if their leg is amputated and what causes corrugations on roads