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A ribosome (centre) producing a protein (red) from mRNA. The dark purple strands represent transfer RNA, which are also involved in protein production

Health

Ageing in the brain may be caused by a breakdown in protein production

The discovery that brain ageing may be driven by jammed-up protein factories could lead to better ways to help us stay sharp as we get older

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Life

E. coli genome has been remade with 101,000 changes to its DNA

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Environment

US says CO2 emissions aren’t harmful – climate science shows otherwise

Analysis

Life

Mystery of the potato's origins solved by genetics

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Health

Common artificial sweetener may interfere with cancer treatments

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Earth

Longest lightning ‘mega-flash’ sets a shocking new record

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Life

Critics of de-extinction research hit by mystery smear campaign

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A 3D model of the tattooed mummy. The top image features textures derived from photographs that were captured using light visible to the human eye, while the bottom image's textures were derived from near-infrared photography, which we cannot see

Humans

Ancient Siberian ice mummy is covered in 'really special' tattoos

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Health

Human milk could help fight infections that endanger pregnancies

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Electron micrograph of the HIV pathogen

Health

Human trials point the way towards an mRNA vaccine against HIV

We may be a step closer to a highly effective mRNA vaccine against HIV, but tests so far reveal that the approach can cause unpleasant skin reactions

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Environment

See the world's largest tidal bore on the Qiantang river in China

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Life

How life thrives in one of the most hostile environments on Earth

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Chemistry

Extra-hard hexagonal diamonds can now be grown in a lab

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Health

Covid-19 and flu may reawaken dormant cancer cells in the lungs

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