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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

Robot balloons are snapping centimetre-resolution photos of the US

Near Space Labs’s autonomous balloon fleet is already taking high-resolution images of the ground, and its range will expand to the entire continental US early next year

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Technology

How could Ukraine stop Russia’s new Oreshnik missile?

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Life

Fossilised droppings tell the story of dinosaurs’ rise to power

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Duke Puppy Kindergarten’s Fall 2021 Class graduates (Ethel, purple; Gilda, green; Dunn, blue; Gloria, gray; and Fearless, orange) on the Chapel steps.
Life

Inside ‘Puppy Kindergarten’: Science-based ways to train your dog

Video

Technology

Record-breaking diamond storage can save data for millions of years

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Health

How safe is the US food supply?

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Abstract illustration of artificial intelligence

Technology

Changing a single number among billions can destroy an AI model

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Life

Orcas have begun wearing salmon hats again – and we may soon know why

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Children in Quebec, Canada, taking part in the Open Sky School programme

Health

Forest schools don’t actually boost most children’s mental health

News

Space

Super-bright black holes could reveal if the universe is pixelated

Space-time may not be continuous but instead made up of many discrete bits – and we may be able to see their effects near the edges of unusually bright black holes

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Environment

Salt batteries are finally shaping up – that’s good for the planet

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Environment

What will it take to solve our planet’s plastic pollution crisis?

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Health

Older people may have better immunity against bird flu virus

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Environment

This start-up is removing carbon from a polluted New York City river

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