91av

photography

Health

Small wonder: See the microscopic knotted beauty of a surgical stitch

The extraordinary intricate beauty of a surgical stitch is usually invisible to us – until the 100-fold magnification of an electron microscope exposes its marvels

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Life

Nutcracker birds square off in the snowy mountains of Bulgaria

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Life

See the exquisite inner world of the gemstone crazy lace agate

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Turtle

Technology

Psychedelic baby turtle wins 2019 Nikon Small World photography prize

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Jet suits, giant moons and new science – this was 91av Live

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Life

The best of the 2019 Wildlife Photographer of the Year winning photos

News
"Apple" to "Anomaly"

Technology

Trevor Paglen exhibition highlights how prejudice is tainting AI

Culture

Environment

Brilliant colours tell a tragic tale of how coal killed a forest

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Earth

Aerial photographs reveal odd and beautiful glimpses of our planet

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Earth

Inside the powerful fire clouds that pack a volcanic punch

This rare image shows massive pyrocumulonimbus clouds that form above fires and can funnel as much smoke into the lower stratosphere as moderate volcanic eruptions

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Technology

Bubbles show their iridescent beauty as light journeys through

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Life

African lions have started climbing trees to escape buffaloes

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Life

This South American potoo bird can camouflage itself as a branch

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Physics

Digital camera sees around corners by guessing what’s lurking behind

News