

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

Jun 28, 2018 • 22min
Why do we have body odour?
Why do we have body odour? Can weeds be useful? Could marine animals learn not to eat plastic in the ocean? How does your body warm up when you're swimming in cold water? Why does my dog twitch to a particular sound? If an aeroplane followed the path of a laser beam, would it end up in space? Is time just an illusion? Plus, the science behind a possible insulin pill. Chris Smith joins Eusebius McKaiser to answer your science questions... Like this podcast? Please help us by supporting the Naked Scientists

Jun 21, 2018 • 19min
Why doesn't my snoring wake me up?
Why is there always room for dessert? Why doesn't my own snoring wake me up? What actually happens when we die? Why does my helium balloon get more squishy? Can humans really live for 200 years? What is vascular dementia? Like this podcast? Please help us by supporting the Naked Scientists

Jun 7, 2018 • 22min
How does my brain store information?
Why can I hold off a bathroom stop when I'm driving? How does my brain store information? Why don't birds sitting on power lines get electrocuted? Why do bubbles in a bath disappear when the water gets cold? Why are rainbows such perfect arches? What causes an itchy backside in the middle of the night? Why have spiders never evolved wings? How do our bodies maintain a constant temperature? Plus, what exactly is going on with the volcano in Guatemala... Like this podcast? Please help us by supporting the Naked Scientists

May 31, 2018 • 22min
Why is phosphorus important for life?
Do white rainbows exist? Why does putting cold hands in hot water itch so much? Do food additives cause cancer? How can you safely store breastmilk? How does race affect eye and hair colours? Plus, fighting off dementia by seeing your friends. Chris Smith joins Eusebius McKaiser to answer your science questions... Like this podcast? Please help us by supporting the Naked Scientists

May 24, 2018 • 19min
Is Jurassic Park possible?
Could Jurassic Park be a reality? How did dinosaur blood survive for 65 million years? Why is volcanic gas poisonous? Is astrology scientific? What is the Universe expanding into? Like this podcast? Please help us by supporting the Naked Scientists

May 17, 2018 • 22min
How does shark repellent work?
Why don't I sneeze during the night? Why do flammable liquids feel cold? Can you speed up meteors to help destroy them? What causes me to cry all the time? How do shark repellents work? Plus, a cure for the common cold! Like this podcast? Please help us by supporting the Naked Scientists

Apr 26, 2018 • 22min
Does The Earth Have A Birthday?
How can you reduce pain after surgery? Why do thick fluids wobble when poured? Why is the Earth's core molten? Plus, celebrating the 65th anniversary of discovering DNA. Like this podcast? Please help us by supporting the Naked Scientists

Apr 19, 2018 • 20min
Why can't energy be created or destroyed?
Can any organ get cancer? Why do mints make water feel cooler? Why do cockroaches face upwards when they die? What causes eye twitch? What's the best exercise after a hip replacement? How would high water pressue affect the body? Why is extreme cold as painful as extreme heat? Plus, developments are made with the first human head transplants... Like this podcast? Please help us by supporting the Naked Scientists

Apr 12, 2018 • 23min
What came before the singularity?
Why did my oven explode? Do nerves regenerate? What came before the singularity? Can an HIV-negative person transmit HIV? Should I complete a course of antibiotics? How do wine flies find my wine? Like this podcast? Please help us by supporting the Naked Scientists

Mar 23, 2018 • 22min
What is the Universe expanding into?
Can I donate an organ if it was already donated to me? Why do I sweat asymmetrically? What's the difference between a sea and an ocean? What is the Universe expanding into? Plus, a new trial spells hope for curing macular degeneration. Like this podcast? Please help us by supporting the Naked Scientists