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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.

Earth

Huge crater in Australia may be the oldest impact structure on Earth

A study claims that the North Pole Dome crater in Western Australia was caused by an asteroid strike 3 billion years ago, but other researchers dispute the proposed age

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Health

You should turn off fans when it’s too hot – but how hot is too hot?

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Humans

Elite Maya people had teeth placed in a cave far from their tombs

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Space

SpaceX’s secretive plans to deliver cargo to Earth from space

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Health

Unapproved gene therapy for boosting longevity is set to go on sale

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A scanning electron microscope image of the magic mushroom species Psilocybe cubensis, the highly potent psychedlic that the woman with Alzheimer's was given

Health

Woman with Alzheimer’s starts conversing again after taking psilocybin

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Life

New-to-science spider builds trap that flings ants into the air

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Environment

A promising natural technique to remove CO2 could backfire

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Technology

People training new AI models admit they just get chatbots to do it

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A scanning electron micrograph of the intestinal lining of a mouse, with several bacteria (green) and one red blood cell (red)

Health

Faecal transplant makes the brains of old mice act young again

Older mice that received a faecal microbiome transplant from younger animals went on to have improved brain plasticity, which suggests their brains could overcome a neurological condition that is typically successfully treated only in childhood

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Space

We’ve found a mysterious substance on Titan and Pluto

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Environment

Most portable air conditioners suck – but there’s an easy fix

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Space

Gas from Uranus reveals it has an icy centre

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Life

Remarkable fossils rewrite the story of how animals conquered the land

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