Solving society's problems with evidence is a work in progress, argues a must-read new book. The process is surprisingly new – and riddled with complexities, finds Michael Marshall

Feedback discovers that the prevailing themes of Eurovision songs may come and go, but the urge to win stays the same.

Solving society's problems with evidence is a work in progress, argues a must-read new book. The process is surprisingly new – and riddled with complexities, finds Michael Marshall

Feedback discovers that the prevailing themes of Eurovision songs may come and go, but the urge to win stays the same.

Red-light therapy promises to treat everything from acne and hair loss to depression and chronic pain. Many of these claims are overhyped, but evidence suggests it can have healing powers

Red-light therapy promises to treat everything from acne and hair loss to depression and chronic pain. Many of these claims are overhyped, but evidence suggests it can have healing powers

At least 15 per cent of the Amazon has already been lost, and further destruction could unleash widespread rainforest dieback with as little as 1.5°C of global warming

At least 15 per cent of the Amazon has already been lost, and further destruction could unleash widespread rainforest dieback with as little as 1.5°C of global warming

When the slope of a mountain above Tracy Arm fjord, in Alaska, gave way on 10 August 2025, 64 million cubic metres of rock fell into the fjord, causing a 5.4 magnitude seismic event  

When the slope of a mountain above Tracy Arm fjord, in Alaska, gave way on 10 August 2025, 64 million cubic metres of rock fell into the fjord, causing a 5.4 magnitude seismic event  

This 2013 book by an Indigenous botanist is a quietly urgent act of healing that forces Western science to look at the world in a different way

This 2013 book by an Indigenous botanist is a quietly urgent act of healing that forces Western science to look at the world in a different way

Prize-winning young writer Hasset Kifle, 17, explores how the world of super-competitive running is being transformed by so-called “super shoes” – and what cost this will have on the sport

Prize-winning young writer Hasset Kifle, 17, explores how the world of super-competitive running is being transformed by so-called “super shoes” – and what cost this will have on the sport

Fossils reveal that there were at least two kinds of koala when humans first arrived in Australia, but one died out about 30,000 years ago when the west of the continent dried out

Fossils reveal that there were at least two kinds of koala when humans first arrived in Australia, but one died out about 30,000 years ago when the west of the continent dried out

Creating quantum entanglement inside a solid material is tricky in the lab – but crystals buried in the earth could be growing it naturally. Now one scientist says he has proof he’s found them

Creating quantum entanglement inside a solid material is tricky in the lab – but crystals buried in the earth could be growing it naturally. Now one scientist says he has proof he’s found them

NHS England is pulling its open-source software from the internet because of fears around computer-hacking AI models like Mythos. Opposition is growing among those who say the move is bad for transparency and efficiency, and will also do nothing to improve security

NHS England is pulling its open-source software from the internet because of fears around computer-hacking AI models like Mythos. Opposition is growing among those who say the move is bad for transparency and efficiency, and will also do nothing to improve security