All of our free science podcasts and science radio shows on science, technology, medicine and engineering in one place...

20 February 2020

How do we see in colour? What actually is colour anyway?

20 February 2020

More than a metaphor: research suggests that our gut affects our moods and vice versa...

17 February 2020

This week we delve into the disease that accounts for a quarter of all cancer in men: prostate cancer...

14 February 2020

What helps a zoo pull in the punters?

14 February 2020

Where do butterflies in the stomach come from, and how much magnesium do I need?

14 February 2020

How big a diamond could you make with the carbon in a piece of coal?

13 February 2020

Charcoal incorporated into mud wasp nests has timestamped important indigenous art in Australia's Kimberley region...

11 February 2020

This week - tick tock! We’re talking body clock science!

10 February 2020

Recorded live at European Astrofest 2020, space law, lunar ownership and the James Webb Space Telescope...

10 February 2020

Sick of sunburn? Could it be your immune system?

10 February 2020

Data on the emerging situation from China, and where this new virus originated...

09 February 2020

Humour takes many forms, and analysing humour is a dangerous game...

08 February 2020

The World Health Organisation declare the Chinese coronavirus outbreak a global health emergency. Chris Smith returns...

07 February 2020

Do facemasks protect against viruses? And why can I hear my sonic pest repeller?

06 February 2020

Chris Smith's appearance on Radio New Zealand National, January 2020

06 February 2020

Does running a mile every day help keep primary school children from gaining weight?

06 February 2020

Why antibodies to the infection disappear, and why we're cooler today than we used to be...

04 February 2020

Our panel of experts answer your questions!

02 February 2020

Hate cleaning? Wish things just wouldn’t get dirty? This technology might help...

30 January 2020

Forgiving is a serious matter but can it come from nowhere? Or is an apology needed first?

30 January 2020

Where did the disease come, and how far might it spread?

29 January 2020

Scientists unveil to new strategies to rid the body of HIV...

28 January 2020

We're celebrating a great Scottish holiday - with science! Haggis, history, ceilidhs and more...

27 January 2020

When will the Earth's magnetic field next flip? Will it cause problems for our technology?