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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.

Life

Seagulls choose their meals based on what people nearby are eating

Given a choice between two crisp packets, herring gulls pick the same colour as one a nearby human is eating from 95 per cent of the time

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Technology

AI passed an advertising Turing test for the first time

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Technology

Ethereum closed a big security hole with its energy-saving update

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Illustration of particles and their wave functions

Physics

Fundamental law of physics demonstrated using quantum objects

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Life

Bat guano has been sculpting caves in Brazil for thousands of years

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Health

Naked mole rats’ hyaluronic acid genes can give mice a longer life

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Life

Rare plant turns carnivorous when it is low on a key nutrient

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Environment

US states agree to use less from Colorado river to avoid water crisis

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Environment

Ozone layer treaty pushed back ice-free Arctic summers up to 15 years

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380 new species discovered in the Greater Mekong Region EMBARGOED UNTIL 00:01GMT May 22 Calotes goetzi The Cambodian blue-crested agma, an aggressive lizard that changes color as a defensive mechanism ? Henrik Bringsoe

Life

Hundreds of species new to science discovered in South-East Asia

A WWF report catalogues a cornucopia of plants and animals newly identified in the Greater Mekong region in 2021 and 2022, but many of them are endangered

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Health

Chronic pain linked to distinctive patterns of brain activity

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Health

Covid-19 booster vaccines should leave out original spike protein

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Earth

Tonga volcano eruption disrupted satellites halfway around the world

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Technology

Memcomputer chips could solve tasks that defeat conventional computers

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