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

Sep 12, 2019 · 26 min
Embryoids from stem cells
Embryoids from stem cells; water vapour in atmosphere of rocky exoplanet;
Sep 5, 2019 · 34 min
New evidence of nuclear reactor explosion
An isotopic fingerprint is reported of a nuclear explosion in Russia last month
Aug 29, 2019 · 31 min
Nanotube computer says hello
A 16bit computer processor made of carbon nanotubes is unveiled to the world.
Aug 22, 2019 · 29 min
Amazonian fires likely to worsen
Is it going to be a particularly bad burning season for Brazil’s rainforest?
Aug 15, 2019 · 33 min
Cracking the case of the Krakatoa volcano collapse
Scientists investigate the precise physical events around last year’s lethal eruption.
Aug 8, 2019 · 26 min
Keeping tabs on nuclear weapons
Can science overcome the political impasse in nuclear proliferation policy?
Aug 1, 2019 · 26 min
The snowball effect of Arctic fires
The long term consequences of the intense burning across the region
Jul 25, 2019 · 30 min
The human danger – for sharks
A global appetite for shark meat and fins threatens these iconic predators
Jul 18, 2019 · 29 min
The moon landing and another big space anniversary
The comet Shoemaker – Levy 9 spectacularly crashed into Jupiter 25 years ago.
Jul 11, 2019 · 29 min
'Free' water and electricity for the world?
The solar panel which simultaneously produces electricity and purifies water
Jul 4, 2019 · 28 min
Analysing the European heatwave
An analysis of weather and climate variables shows global warming had a role
Jun 27, 2019 · 28 min
Is climate change driving Europe’s current heatwave?
Scientists are unpicking the influence of anthropogenic forces on this event as it happens
Jun 20, 2019 · 27 min
Iran’s nuclear plans
What the threat to increase stockpiles of uranium really means
Jun 13, 2019 · 29 min
South Asia heatwave and climate change
South Asia has experienced record temperatures, is this becoming the new normal?
Jun 6, 2019 · 34 min
US foetal tissue research ban
The Trump administration halts scientific research on tissue derived from human embryos