Science In Action

BBC World Service

The BBC brings you all the week's science news.

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335 episodes
Updated Oct 30, 2025

Episodes335

Newest first

Feb 23, 2023 · 32 min
Cyclone Freddy batters Madagascar
Cyclone Freddy batters Madagascar and threatens Mozambique and South Africa.
Feb 16, 2023 · 31 min
CRISPR & bioethics
He Jiankui refuses to talk about his controversial genome editing of twin babies in 2018
Feb 9, 2023 · 32 min
Turkey-Syria earthquake
Turkey’s most powerful earthquake on record
Feb 2, 2023 · 33 min
Science on ice
The different forms of frozen water from ice made in labs to Jupiter’s icy moons
Jan 26, 2023 · 28 min
Bird flu (H5N1) outbreak in mink
A review of the first mammal to mammal transmission of avian flu, observed in Spain
Jan 19, 2023 · 29 min
Climate science activism
What happens when climate scientists take to the streets?
Jan 12, 2023 · 34 min
Atmospheric rivers
The phenomenon driving California’s extreme weather
Jan 5, 2023 · 28 min
One year on from the Tonga eruption
We take a look at everything we’ve learnt since the Tonga volcano erupted a year ago.
Dec 29, 2022 · 32 min
The James Webb Space Telescope: The first six months
What have scientists learned since Nasa launched its revolutionary telescope?
Dec 22, 2022 · 27 min
Mosquito pesticide failing
Mosquito pesticide failing
Dec 15, 2022 · 33 min
Fusion milestone
Fusion milestone - the science behind the headlines
Dec 8, 2022 · 31 min
Ancient warmth in Greenland
Climate change in the Arctic
Dec 1, 2022 · 34 min
COVID spreads in China
COVID spreads in China
Nov 24, 2022 · 28 min
A distant planet’s atmosphere
The chemical composition of planet WASP-39b's atmosphere, 700 light years away
Nov 17, 2022 · 27 min
Online harassment of Covid scientists
Virologists studying Covid-19 have been subject to online threats
Nov 10, 2022 · 30 min
Neurons that restore walking in paralysed patients
Neurons that restore walking in patients with spinal cord injuries have been identified
Nov 3, 2022 · 26 min
What peat can tell us about our future
Peat can offer us early alarm bells to climate change tipping points.
Oct 27, 2022 · 26 min
Seismic events on Mars
New data from Nasa reveals information on Mars’ origin and evolution.
Oct 20, 2022 · 27 min
The most powerful explosion ever recorded
A celestial explosion has produced the brightest beam of light ever observed
Oct 13, 2022 · 31 min
Inserting human neurons into the brains of rats
Fusing the brain of a human with a rat could offer insight into neurological disorders