Ask The Naked Scientists SA

Naked Scientists  |  Podcast, ±21 min episodes every 1 week, 2 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...

Why do banana peels go brown?

Can you feel two pains at the same time? How can bottled water freeze instantly? Can a migrant dog understand his new neighbours? What is the pith inside an orange? Does eating the in-flight meal alter an aeroplane's weight? Why do skins of bananas blacken faster after you peel them?

Can comets reveal the future?

What is the latest on Ebola? Which human sense was the strongest in more primitive times? Can comets tell us about the future? How did our ancestors discover that the Earth is round? Why are electric kettles so loud? How can grey hair go black again?

What causes cataracts?

Why do my fingernails grow quicker than my toenails? Why are yawns contagious? Do people with longer legs use less energy to run? What causes cataracts? How important is your sense of smell?

Are Ebola survivors immune for life?

Can a new stomach be grown in a dish? Are Ebola survivors immune from future infection? Why do injuries seem to hurt more later? Are there homosexual dolphins? How do muscles make energy? How do ants home in on food? Can dogs judge human character?

Why do people talk to themselves?

Why do people talk to themselves? Can cats cut your risk of a heart attack? Does salt help water boil quicker? Do women have an Adam's Apple? Plus, an update on Ebola and a rapid paper-based test for the virus...

Do flies have blood?

Why did dinosaurs grow so large? Do flies have blood? Can chemotherapy get into the brain? Why do scorpions glow in UV light? Did we interbreed with Neanderthals? Plus, news of how your sense of smell can indicate how long you have left to live...

Why do some people sleepwalk?

How is sea-level defined? What makes some people sleepwalk? How are barometers calibrated? What is an acquired taste? How much of the body is water? Do we really use only 10% of our brain? Why does red wine stain your lips? Why to I talk in my sleep? What happens if you drink petrol?

Can you be born circumcised?

How do people catch ebola? Why do brothers and sisters look different if they have the same parents? Can we mine the moon for fuel? Why should you not re-freeze meat? What causes birth marks? What is a curve of pursuit? Can you be born circumcised? Dr Chris answers more of your questions, on Talk Radio 702...