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Health

Home screening test for oral or throat cancer has 90 per cent accuracy

To identify oral and throat cancer, lesions have to be big enough for doctors to see. A saliva test available in the US could enable much earlier diagnosis

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Scuba diver above a coral reef

Environment

Start-up plans 2500 artificial coral reefs to fight climate change

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Genetically engineered Escherichia coli is involved in the growth of many chemicals and drugs, such as insulin, but unmodified versions of the bacteria can be infected by viruses

Life

E. coli that is recoded to be virus resistant may aid drug production

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Young woman smiling while riding on a bus listening to music on a smartphone

Technology

Experimental earphone can 鈥榟ear鈥� commands user is silently mouthing

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Health

Mild exercise halts cognitive decline in people at risk of Alzheimer’s

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Five green slender pitcher plants are suspended on vines

Life

Pitcher plants use raindrop impacts to fling insects into their trap

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Back view of a woman making video call and showing thumbs up

Technology

Using hand gestures can improve your experience of video calls

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IC 1623 is a pair of galaxies

Space

JWST has caught two galaxies smashing together and sparking starbursts

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Environment

A public information campaign on the climate crisis is urgently needed

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Space

Why general relativity is known as a background independent theory

Space-time isn't expanding into anything because general relativity is what we call a background independent theory. Chanda Prescod-Weinstein sets out to explain what this means

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Humans

Untangling life’s molecular mysteries using AI is a welcome advance

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Health

Cold exposure stops tumour growth in mice by hijacking glucose stores

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Health

Blood substitute repairs damaged organs hours after heart stops

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Life

Labrador dogs gene edited and cloned to prevent inherited hip disease

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