Science phone-in podcasts answering science questions and discussing topical science news stories...

25 October 2022

And can a team of cyclists solve the looming energy crisis

14 October 2022

What does anaesthetic do? and why don’t the colour stripes in toothpaste mix?

07 October 2022

Would fireworks work on Mars? And what do steroids do to the body?

30 September 2022

How do meteors form? Is the universe finite or infinite?

19 September 2022

Setting glue, the difference between mist and fog, and are gravitational waves audible?

14 September 2022

And more from this week's quick fire science questions with Dr Chris Smith.

02 September 2022

Do we need to take diet supplements? And is there any merit in acupuncture?

05 August 2022

Could we ever learn to get used to pain, and is your car's speedometer lying to you?

29 July 2022

Why can't we go backwards in time? And why can't different species reproduce?

22 July 2022

How far back in time can the James Webb telescope see? And is freezing your jeans as good as a wash?

08 July 2022

Yoghurt or probiotics? Why is milk white? Why does my heart rate increase in cold water?

01 July 2022

Plus, chainsaw hypotheses, Star Trek and mathematical puzzles...

24 June 2022

A children's special edition; can Dr Chris Smith crack their imaginative science dilemmas?

17 June 2022

Researchers dose mice with a bottomless boozy bath to find out if alcohol warms the body, sounds rather nice

03 June 2022

Will a donor arm leave a different DNA fingerprint at a crime scene...?

27 May 2022

What are stars made of? How do ants breathe? How does a person catch chickenpox?

20 May 2022

Aeroplanes also have round windows, but why. Plus, farts, brain capacity and lightning travelling through your plumbing...

02 May 2022

Plus do dogs get depressed, and why do my ears pop during take off aboard an aeroplane?

08 April 2022

And what's the difference between a sickness, a disease, an illness, an affliction, a malaise and a disorder?

04 April 2022

And why are humans still born with bits we don't need - will evolution do away with them?

18 March 2022

Plus, firelighters and food, crocodiles and Helicobacter pylori...

01 March 2022

Are their children genetically brother and sister?

20 February 2022

And what's spacetime and how does entanglement work?