Ask the Naked Scientists
Dr Chris Smith
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!
Episodes
Mentioned books
Jul 8, 2023 • 21min
What is causing climate change?
What is causing climate change? Does pumping out oil leave a hole behind in the Earth? What does an Adam's apple do? What causes temperature differences from day to day? How does throat singing work? What would happen to Twitter's data if it collapsed? What is the spring tide, and why is it dangerous? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Jun 30, 2023 • 22min
What causes ocean swell?
If there was nothing before the big bang, who created nothing? When egg shell falls into the pan, why is the rest of the egg shell the most effective way to fish it out again? And what's going on with the James Webb space telescope? Dr Chris Smith and 567 CapeTalk's Clarence Ford take a look... Like this podcast? Please help us by supporting the Naked Scientists
Jun 23, 2023 • 19min
How much pressure was on the Titan sub?
What are the benefits of cold water swimming? How much pressure was on the Titan submersible? How big are protons and electrons? Why do all babies have straight hair? Why are orcas sinking sailboats? Why does a glass hob's heat not move laterally? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
Jun 9, 2023 • 21min
Why is a cold called a cold?
Why do my eyes burn when raindrops run into them? Why can eye and hair colour change? Why do I cry when I go to the loo? Like this podcast? Please help us by supporting the Naked Scientists
Jun 2, 2023 • 19min
Why disinfectants kill only 99.9% of germs
How do flysprays work, and are they harmful for humans? What's "muscle memory" and where are these memories stored? Why do disinfectants "only" kill 99.9% of germs? How do I cleanse domestic rainwater tanks to kill microbes? How does freefall - as described by orbiting astronauts - work? If I let my pet cobra go, will it survive in the wild? What's the basis of sweating, and why do some people sweat more than others? Dr Chris Smith and CapeTalk's Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
May 27, 2023 • 19min
Why do my flowers only smell nice at night?
This week,?What makes an appendix burst? Why do we blush??Do carrots really improve our eyesight? What other foods can we eat to regenerate our organs? Can lions survive on seafood? Can studying the arts impact on my health? And why do some flowers only release their scents at night, a how? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists
May 15, 2023 • 23min
Why do bright lights make spots in my vision?
What are hiccups and what's the medical term for the phenomenon? How far to the horizon and why does it always appear to be at eye-level? What are lectins and are they harmful? What is pulmonary fibrosis, why does it happen and can it be cured? Why do bright lights make spots on my vision, and why does the colour change when I close my eyes? And as a 65 year old in good health and with 4 Covid-19 vaccines and one mild SARS-CoV-2 infection, do I need another Covid-19 booster?? Like this podcast? Please help us by supporting the Naked Scientists
May 14, 2023 • 25min
Which came first, the chicken or the egg?
Why do we always find cockroaches on their back? How does medicine know where it hurts? Why do we dream? Why is the Earth still so hot? What came first, the chicken or the egg? Why did Chernobyl explode? How much energy does a seed need to grow? Can we work out how much energy there is in the world? Why do most of us look different? Chris Smith and Clarence Ford answer questions from the students of the International School of Cape Town... Like this podcast? Please help us by supporting the Naked Scientists
Apr 28, 2023 • 23min
Is JWST disproving the big bang theory?
Why do I feel phantom pain? What is the sleep in my eyes constituted of? Why are things we drop into our eyes poisonous to ingest? What is fibromyalgia? What is aquamation? Like this podcast? Please help us by supporting the Naked Scientists
Apr 21, 2023 • 25min
Do we have two sets of DNA?
What makes the brain age? Why don't ice skaters get dizzy? Do we have two sets of DNA? Where does all of the burned fuel go? Do dogs get headaches? Why are dogs so good at pattern recognition? Does someone carrying a donor egg provide any of the child's DNA? Would watering your lawn increase the chance of rain? Dr Chris Smith and Amy MacIver have all the answers... Like this podcast? Please help us by supporting the Naked Scientists
