Science

Science In Action

by BBC World Service

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Latest episodes

How science got here, and where next

October 30, 2025 · 32 min

As anti-science leaves research reeling, does evidence-based policy in a scientific society have much of a future? Michael Mann, Naomi Oreskes, Angie Rasmussen and Deb Houry discuss some of the sources and motivations that perhaps belie…
Coral extinctions and chalky unknowns

October 23, 2025 · 38 min

As two species of coral are killed off by the 2023 heatwave in the Florida reefs, the abilities of different plankton species to cope with rising CO2 remain crucially unknown. Also, retrospective research shows a strong suggestion that…
Paris agreement impacts and drought realities

October 16, 2025 · 39 min

Ten years on from the Paris climate agreement, has it helped? Also, an international drought experiment, insights from 2D water, and social distancin in ants. Presenter: Roland Pease Producer: Alex Mansfield Production co-ordinator…
Old faces and big spaces in small places

October 9, 2025 · 32 min

The 2025 Nobel prizes are announced this week – how did Science in Action’s predictions fare? Science author and thinker Philip Ball judges. The Whitley Fund for Nature this week hosted a “People for Planet” summit, exploring possible…
A mystery satellite has been jamming GPS in Europe

October 2, 2025 · 36 min

Scientists detect for the first time an unknown source of GPS interference coming from space. Also, as AI begins to design more and more DNA sequences being manufactured synthetically, how can those manufacturers be sure that what their…

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Autism and the epigenetics of early brain development

September 25, 2025 · 36 min

Epigenetic changes during early brain development, and the complexities of autism. Also, how bacteria learn to parry antibiotics, the subterranean burp that shook the Island of Santorini, and new guidance for sharing land between farming…
Stephen Hawking gets it right again

September 18, 2025 · 26 min

Gravitational waves show two black holes merge just how Hawking predicted. Plus, a space mission without a target. And a Space probe without a confirmed budget. In January 2025 the LIGO gravitational wave observatories witnessed two…
Asteroids, comets and where to find them

September 11, 2025 · 26 min

Scientists’ latest plans for welcoming interstellar visitor 3I/Atlas next month, and arranging a rendezvous with comet Apophis in 2029, as heard this week at the EPSC-DPS international planetary science joint meeting in Helsinki…
Why is Afghanistan so vulnerable to earthquakes?

September 4, 2025 · 28 min

Despite the relatively low magnitude, earthquakes in Afghanistan this week have left more than1000 dead. Afghan researcher Zakeria Shnizai from the University of Oxford unpicks some of the main causes of the country’s vulnerability to…
How Fear Spreads

August 28, 2025 · 37 min

What can modern epidemiological methods tell us about French Revolutionary history? Also, the origins of horse riding, solar systems, and star dust itself. Presenter: Roland Pease Producer: Alex Mansfield Production Coordinator: Jana…
Not cold fusion all over again

August 21, 2025 · 30 min

A desktop nuclear fusion reactor that uses electrochemistry to up the ante. Also, a global survey of human wildfire exposures finds Africa burning ahead, plus tiny swarming robots and record-breaking 2024 ice melts from glaciers on…
Vaccine study retraction request rejected

August 14, 2025 · 31 min

US Health Secretary RFK Jr’s call to retract a study on childhood vaccines is resisted by the journal. Also antibiotics get designed by AI, and a new way for stars to die. A study focussing on Danish childhood vaccination data has…