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Genetics

Humans

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

The genome of 脰tzi, 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

Health

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

Health

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

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Health

Targeted mRNA delivery will lead to cheaper cures for many diseases

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Health

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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Environment

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

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Health

Genetic marker discovered for the severity of multiple sclerosis

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Health

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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Health

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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Health

mRNA trial shows promise for these therapies to revolutionise medicine

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Life

Butterflies evolved 100 million years ago in North America

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