Science In Action Episodes Available now

Thirty years after the Earth Summit
Thirty years on, we ask what has the Earth Summit in Rio achieved?

Body scan reveals HIV's hideouts
A medical scan which reveals where HIV and other viruses hide in the body.

Should we worry about the latest Omicron subvariants?
Two recent subtypes of the Omicron virus are much better at evading our immune defences.

Heat death by volcano and other stories
New insights into Tonga’s cataclysmic volcanic eruption revealed

Death in the rainforest
Climate change may have doubled the death rate of rainforest trees over the last 50 years

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

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

The Indian subcontinent’s record-breaking heatwave
The Indian subcontinent is roasting in a prolonged heatwave. Is climate change to blame?

Climate techno-fix would worsen global malaria burden
Solar geoengineering to curb climate change could worsen global malaria burden.

How ‘magic mushroom’ chemical treats depression
Brain scanning study reveals how psilocybin can help people with severe depression