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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.

Technology

ChatGPT seems to be trained on copyrighted books like Harry Potter

A test to see whether ChatGPT has memorised the contents of copyrighted material suggests it was trained on passages from Harry Potter, Game of Thrones and many other novels

News
A dense collection of stars covers the view. Towards the centre the stars become even more dense in a circular region, and also more blue. Around the edges there are some redder foreground stars, and many small stars in the background.

Physics

Why darkness between stars reveals more about the universe than light

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Health

World’s first RSV vaccine approved in the US for older adults

News
More legs, more stability on rough terrain

Technology

Centipede robots with more legs are better at walking over bumps

News
A large brown locust, Locusta migratoria, with a pattern on its body sits on branch among green vegetation in a summer garden. The migratory locust is the most widespread locust species

Life

Locusts produce an odour to try to put other locusts off eating them

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Life

Ancient bacteria genome reconstructed from Neanderthal tooth gunk

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Life

Gannets’ blue eyes turn black after an infection with bird flu

News

Technology

Electronic cochlea adjusts to noise levels like a human ear

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Environment

Extreme rainfall could lead to ‘big disaster’ for rice yield in China

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Health

New drug donanemab slows cognitive decline in early Alzheimer’s

The experimental treatment donanemab is now the second antibody drug to slow cognitive decline in people with early stage Alzheimer’s disease, but questions remain about its real-world benefits and safety

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Health

Brain surgery before birth fixes abnormal blood vessel in fetus

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Technology

Material that sends sound from water to air could help eavesdroppers

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Environment

California’s electric car boom reduces pollution – but not everywhere

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Society

How lockdowns turned us into antisocial goblins – and why it matters

News