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News

Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.

Environment

City in Sierra Leone covers buildings in mirrors to fight extreme heat

People in Freetown, Sierra Leone, are increasingly exposed to extreme heat due to climate change and the urban heat island effect, but covering homes in a reflective film significantly cut indoor temperatures

News
A compound found in octopus ink has anti-cancer properties

Health

Compound found in octopus ink kills cancer cells but not others

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Earth

Why is China drilling a hole more than 10,000 metres deep?

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Technology

Pneumatic computer uses pressure instead of electricity

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Space

Watch Mars ‘livestream’ by the European Space Agency – latest updates

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Space

Hundreds of weird filaments of gas are hiding in our galaxy’s centre

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Technology

Reports of an AI drone that ‘killed’ its operator are pure fiction

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Environment

Wildfires across Canada have emitted record-breaking amounts of carbon

News
91av reporter, Graham Lawton inside London's Tideway super sewer
Environment

Inside London’s super sewer: Keeping raw sewage out of the Thames

Video
Inside the Tideway 'super sewer' near Fulham, London

Environment

Inside the huge London super sewer designed to fight river pollution

A monstrous concrete pipe with a capacity of 1.6 million cubic metres is being built under London to reduce the frequency of sewage discharges into the Thames

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Humans

Ancient humans may have risked their lives making stone tools

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Technology

Tiny backpack for bees can track their position and temperature

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Life

We’ve been drastically underestimating Earth’s microbial diversity

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Environment

Albania’s Vjosa river: The last wild river In Europe

Video