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Nutcracker birds square off in the snowy mountains of Bulgaria

Life

Nutcracker birds square off in the snowy mountains of Bulgaria

Your festive meal may be nicely laid out for you this December, but these spotted nutcrackers must fight for their meal of pine nuts – on the Vitosha mountain massif in Bulgaria

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See the exquisite inner world of the gemstone crazy lace agate

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

91av Live

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

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

Life

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

News

Technology

Trevor Paglen exhibition highlights how prejudice is tainting AI

Culture

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

Technology

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

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Aerial photographs reveal odd and beautiful glimpses of our planet

Earth

Aerial photographs reveal odd and beautiful glimpses of our planet

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Inside the powerful fire clouds that pack a volcanic punch

Earth

Inside the powerful fire clouds that pack a volcanic punch

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Bubbles show their iridescent beauty as light journeys through

Technology

Bubbles show their iridescent beauty as light journeys through

The beautiful iridescence of bubbles is captured in this image – shortlisted for a prize – as light reflects and refracts as it passes through bubble walls

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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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Technology

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

News

Environment

Deadly air pollution illuminated in beautiful long-exposure photograph

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