Plus, does Dr Chris believe in God, and is there a secret to reversing ageing...
Ask The Naked Scientists
Science phone-in podcasts answering science questions and discussing topical science news stories...
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14 November 2023
14 June 2019
Chris Smith answers your questions. Why do bright lights trigger sneezes? How does a master-key work? And more
12 June 2019
What causes stomach butterflies, does fog really lift, and do skin creams stop the ageing process?
07 June 2019
Chris Smith takes on YOUR questions. Why do we blush? How do you lose a sense of smell? And more...
24 May 2019
Chris Smith answers YOUR questions... Does Vitamin-C cure a cold? Why do car wheels move in reverse in films?
17 May 2019
Why do chillies give me hiccups? What causes climate change? How efficient are batteries? And more...
03 May 2019
Why do scars last until old age? How old is moon dust?
26 April 2019
Does cannabis have healing effects? Can stem cells repair skin growths?
12 April 2019
Why do I get electric shocks from my car? How are flight routes planned?... Ask The Naked Scientists!
05 April 2019
Why do some people think the Earth is flat? Why are clouds different colours?
29 March 2019
How long do dreams last? Could we have wireless electricity? Why did the continents break apart?
22 March 2019
How do noise-cancelling headphones work? Can genes make you immune to HIV?
08 March 2019
Could electricity go wireless? How much calcium is in a cup of tea? Why can slime change colour with heat?
01 March 2019
Do aliens exist? Is breast milk "best"? How are buildings demolished?
22 February 2019
Why are hail stones different sizes? Why do my palms get sweaty? Why do animals moult?
15 February 2019
What's CERN all about? Why are my eyes red when I'm drunk? How does carbon capture work?
08 February 2019
Grabbing a lump of an asteroid, and what causes tip of the tongue experiences?
01 February 2019
Does marijuana help with cancer? Are we alone in the Universe?
25 January 2019
Why do we get butterflies in our stomachs? Does cold water make you wee more?
18 January 2019
Is the sky actually blue? Does petrol go off?
11 January 2019
What happens to the brain when we're sleeping? Is time travel possible?
04 January 2019
How do you predict the weather? Why don't zebras look dirty? How do they get the stripes into toothpaste?
21 December 2018
Why don't birds get electrocuted on an electric fence?
14 December 2018
Why do I appear upside down in a spoon? What would Earth be like if we had two moons?
30 November 2018
If the Universe is expanding, is it being pushed or pulled? Do men enjoy spice more than women do?