Unexpected Elements Episodes Available now

Extreme heat death risk in Latin America
New study reveals risk of death as temperatures rise in Latin American cities

Monster microbe
Gigantic bacterium discovered in the Caribbean. It’s the size and shape of an eyelash.

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
Science news and highlights of the week

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?