Revisited: A Scottish tea mystery, episode one – green shoots
Science correspondent Nicola Davis investigates the strange story of Tam O’Braan and his attempts to grow tea in Scotland. In episode one of this mini-series first broadcast in October 2025, Nicola lo...
21 Juli 22min
Can a world-first gene therapy reverse ageing?
The first person has been treated with a highly anticipated new gene therapy that aims to turn back the clock on ageing cells. The trial is aimed at retinal cells, with the hope that encouraging them ...
16 Juli 18min
Fungi: the invisible force protecting our planet
Scientists often talk about the importance of flora and fauna to the health of our planet, but Dr Toby Kiers, an evolutionary biologist and founder of the Society for the Protection of Underground Net...
14 Juli 16min
Is male testosterone in freefall?
Men’s average testosterone levels have halved over the past 50 years, according to scientists who say society is facing a male fertility crisis. Rising levels of obesity and diabetes are expected to p...
9 Juli 14min
‘A break from scrolling’: how Gen Z fell in love with birding
In the last 50 years, Britain has lost an astonishing 73 million wild birds from its landscape, according to the British Trust for Ornithology. Habitat loss, pesticides, disease, cats and the climate ...
7 Juli 16min
‘Beautiful blobs’: can scientists build life from scratch?
Researchers claim they are closer to creating life from nothing after building tiny, quivering blobs that use lab-made DNA to feed, grow and multiply in a dish. To find out how significant this step i...
2 Juli 16min
Reflecting pool algae: the science Trump needs to know
The Lincoln Memorial reflecting pool in Washington DC has hardly been out of the news since April when President Trump vowed to have it renovated, and painted ‘American flag blue’ by 4 July. Despite t...
30 Juni 16min
Nature or nurture: can genes make us behave ‘badly’?
How much do our genes determine about our lives, and could they influence traits like risk-taking, antisocial behaviour or even violence? Ian Sample talks to Kathryn Paige Harden, a behavioural geneti...
25 Juni 19min
