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

24 March 2023

Plus, what makes TB so drug resistant, and what's the point of going to Mars?

17 March 2023

Before we can speak, what language do we think in? Can you transplant the same organ multiple times?

17 March 2023

Are best before dates a mandatory thing? Why does scratching an itch feel good?

03 March 2023

Why do women stop producing breast milk?

06 February 2023

Why is that hard, and how did rhyme, song and rhythm evolve? Also, we take a look at treatments for cataracts...

20 January 2023

Also, why do stars appear to flicker, or move? And can animals experience regret?

13 January 2023

Why do the half moons under our nails disappear as we get older?

06 January 2023

Also, does flash photography harm baby's eyesight? and what does it mean to be double-jointed?

04 January 2023

Also, is carbonated water better for you than still water? And Is there a cure for tinnitus?

16 December 2022

Why does nothing last anymore? Why does a blackout occur?

09 December 2022

Also, What makes us human? And why is there only life on Earth?

02 December 2022

How did the moon form? And can you escape a black hole?

25 November 2022

Also, how do genetically modified crops work? and why do some animals bob their head as they walk?

11 November 2022

How bad are space missions for the environment here on earth? Why are we attracted to certain tastes?

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?