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Humans

Ötzi the iceman was dark-skinned and balding, suggests genome analysis

The genome of Ötzi, the 5300-year-old mummified man found in the Alps, was first published in 2012, but a more accurate readout has changed the story of where his ancestors came from

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A mitochondrion

Life

Ocean bacteria may be closest relatives of mitochondria in our cells

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Amyloid plaques in the brain of someone with Alzheimer's disease. The condition has also been linked to too much cholesterol in brain cells, slowing brain signalling

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Gene variant that raises Alzheimer's risk may boost fertility in women

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Someone having their blood tested for HIV in Kampala, Uganda, in December 2022

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Gene variant that seems to protect against HIV may lead to new drugs

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Targeted mRNA delivery will lead to cheaper cures for many diseases

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Targeted mRNA delivery will lead to cheaper cures for many diseases

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Your genes may influence how much fruit, fish or salt you eat

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Life

Some sea snakes have re-evolved the ability to see more colours

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Breeding corn to boost yields has made it more vulnerable to heat

Environment

Breeding corn to boost yields has made it more vulnerable to heat

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Genetic marker discovered for the severity of multiple sclerosis

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How new fetal therapies are treating genetic conditions in the womb

A genetic condition that sees children develop almost no teeth or sweat glands can now be treated by injecting a protein into the amniotic fluid, in just one of a number of new therapies that act before a child is even born

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Experimental treatment could work against prion diseases like CJD

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Life

Octopuses edit their own genetic code to adapt to colder water

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mRNA trial shows promise for these therapies to revolutionise medicine

Analysis

Life

Butterflies evolved 100 million years ago in North America

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