On the Origin of the Species
Geoff Watts looks back on the 150 years since Darwin's Origin of Species was published.
26 Nov 2009,·30 mins
Biodiversity
The dwindling variety of plants and animals on earth and how they could be saved
21 Feb 2003,·27 mins
Series 1
Bring back the Lynx?
Euan McIlwraith investigates the case for reintroducing the Eurasian lynx to Scotland.
01 Oct 2015,·20 mins
6. The Last Cry of the Whale
Scientists and ground workers attempt to unearth the delicate Fin whale skull.
18 Nov 2025,·25 mins
The Business of Being Seen
Emily, Alun and Danyah conclude the experiment — did they succeed in making a mark online?
22 Sep 2025,·42 mins
Psychology
The way we behave, our thoughts and our feeling are all part of our psychological make up
18 Jun 2001,·13 mins
Series 2
5. The Elephant's Child
Discover more of the science behind the last of Kipling's Just So Stories.
27 Jun 2014,·15 mins
High Mountain Tops
Brett Westwood presents an engaging guide to the birds of Britain's high mountain tops.
11 Jan 2013,·15 mins
Programme 4
Explaining proprioception, the Gaia hypothesis and mapping as a process
24 Mar 1999,·28 mins
Series 3
Rarities and Recordings
Brett Westwood looks at a bird on the edge of extinction - the slender-billed curlew.
12 Feb 2013,·28 mins
Good-bye with good news about DRM
First broadcast in 2001. The final programme has good news about Digital Radio Mondiale
14 Mar 2001,·13 mins
Tractorau Siôn a Siân a Gwobr Bob Fron Felen
Sgwrs gyda John Lewis o Henfynyw ger Aberaeron am daith elusennol dau dractor clasurol.
21 Jun 2026,·27 mins
Nitrogen
First broadcast in 1998. Nitrogen forms approximately 78% of Earth's atmosphere
01 Oct 1998,·14 mins
10. Einstein's Brain
Dr Geoff Bunn discusses the impact of neurology on how we understand ourselves today.
18 Nov 2011,·15 mins
Patterns of Disease
The shocking truth about patterns in global disease
23 Oct 1998,·13 mins
5. One last lead
Caroline Steel and producer Florian Bohr end their quest in hidden lakes.
26 Sep 2025,·14 mins
Favourite Numbers
What's a mathematician's favourite number?
17 Jul 1998,·14 mins
Water
First broadcast in 1998. The physics of water are explained by teachers and scientists
28 Aug 1998,·13 mins
A Further Five Numbers
1729 - The first taxicab number
1729 is the smallest number you can write as the sum of two cubes, in two different ways.
20 Sep 2005,·14 mins
Neurology
What happens in the brain during religious experiences?
31 Mar 2010,·30 mins
Episode 6: Good or Evil AI, Minecraft Karaoke & Dreamcast Revival
In the last of the series Chipzel meets HyperDuck Soundworks & our AI role play game ends.
09 Jul 2023,·30 mins
Change Must Come
You want to hear a few seconds after the Big Bang? You have to make some sacrifices.
22 May 2015,·12 mins
Antoni van Leeuwenhoek
Andrew Parker's Natural History Hero is microscope pioneer Antoni van Leeuwenhoek
09 Oct 2015,·15 mins
West
Author Jerry Brotton explores the story of the four cardinal directions.
17 May 2022,·14 mins
1. The Cost of Fuel, Silage Season and Dorset Sheep
David Irwin joins Eve Blair in the studio for a lively discussion on all things farming.
20 Jun 2026,·25 mins
5. The Pursuit of Parrots
Australia's Night Parrot has driven birders mad for decades.
25 Aug 2023,·14 mins
CRISPR
A story of the discovery of genetic scissors that accidentally enabled fast gene editing.
27 Jul 2018,·14 mins
Becoming Invisible
Writer Philip Ball meets the physicists who are making real life invisibility cloaks.
10 Jun 2016,·12 mins
Paper
An examination of the process of making paper
10 Jun 1999,·13 mins
Elm, Beech And Holly
Richard Mabey considers the cultural and natural history of the Elm, Beech and Holly.
03 Jul 2013,·30 mins