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

May 19, 2022 · 29 min
Death in the rainforest
Climate change may have doubled the death rate of rainforest trees over the last 50 years
May 12, 2022 · 29 min
Portrait of the monster black hole at our galaxy’s heart
Astronomers image the supermassive black hole at the centre of the Milky Way galaxy
May 5, 2022 · 29 min
Mekong Delta will sink beneath the sea by 2100
Vietnam’s vast Mekong Delta is set to sink beneath the sea by the end of the century
Apr 28, 2022 · 31 min
The Indian subcontinent’s record-breaking heatwave
The Indian subcontinent is roasting in a prolonged heatwave. Is climate change to blame?
Apr 21, 2022 · 33 min
Climate techno-fix would worsen global malaria burden
Solar geoengineering to curb climate change could worsen global malaria burden.
Apr 14, 2022 · 30 min
How ‘magic mushroom’ chemical treats depression
Brain scanning study reveals how psilocybin can help people with severe depression
Apr 7, 2022 · 34 min
Tsunami detective in Tonga
What really happened in the cataclysmic eruption of the volcano Hunga Tonga in January?
Mar 31, 2022 · 29 min
Radioactive Red Forest
Are Russian troops in forests around Chernobyl receiving a dangerous dose of radiation?
Mar 24, 2022 · 32 min
Warming world
Extreme temperatures recorded in Antarctica and the Arctic.
Mar 17, 2022 · 30 min
Covid in the sewers
Could novel forms of the virus be lurking in wastewater?
Mar 10, 2022 · 29 min
Why are Covid-19 cases rising in Hong Kong?
The territory is experiencing a rapid increase in infections and deaths
Mar 3, 2022 · 30 min
Covid -19 origins
New analysis shows where inside the Wuhan market the virus first showed itself
Feb 24, 2022 · 26 min
Reforming the ‘China Initiative’
US scheme accused of persecuting scientists is to be refocused
Feb 17, 2022 · 30 min
Bone repair from Covid-19 vaccine technology
Messenger RNA used in vaccines against Covid-19 has been used to encourage bone healing
Feb 10, 2022 · 30 min
Inside Wuhan's coronavirus lab
The inside story of Wuhan’s coronavirus lab
Feb 3, 2022 · 29 min
Identifying a more infectious HIV variant
A new form of HIV has been uncovered in the Netherlands.
Jan 27, 2022 · 26 min
The roots of Long Covid
Detecting the early signals for long Covid
Jan 20, 2022 · 29 min
Tonga eruption – how it happened
Why a small volcanic eruption had a global impact
Jan 13, 2022 · 28 min
Have we got it wrong on Omicron?
It seems to be no more viable than the earlier delta variant
Jan 6, 2022 · 27 min
Corbevax – A vaccine for the world?
Could a cheap and conventional vaccine for Covid-19 end the pandemic?