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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.

Health

Does using the internet make us happier or sadder?

A study of more than 2 million people in 168 countries suggests that having access to the internet is linked to higher life satisfaction, but many questions remain unanswered

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marc quinn kew gardens work
Life

Kew Gardens exhibition confronts our disjointed connection with nature

Video

Physics

Doughnut-shaped swirls of laser light can be used to transmit images

News
the Aurora Borealis, also known as the Northern lights, putting on a show over Achmelvich beach, Sutherland, in the Highlands of Scotland, UK.

Space

How to see tonight’s northern lights – the strongest in 20 years

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Space

Dozens of stars show signs of hosting advanced alien civilisations

News

Health

Heavy or painful menstrual periods are linked to worse exam results

News

Mathematics

500-year-old maths problem turns out to apply to coffee and clocks

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annie jacobsen
Comment

Annie Jacobsen: Everything I learned about nuclear war shocked me

Video

Life

Monkeys can learn to tap to the beat of the Backstreet Boys

News

Health

Extreme exercise may help you live longer without stressing your heart

People who can run a mile in less than 4 minutes generally live almost five years longer than would otherwise be expected, challenging the idea that too much strenuous exercise is bad for the heart

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Space

Invisible ‘dark radiation’ may explain a big problem with dark energy

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Mathematics

Game theory shows we can never learn perfectly from our mistakes

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Space

Mars is blasting plasma out of its atmosphere into space

News

Space

Has the biggest problem in cosmology finally been solved?

News