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

Most snakes can see a limited range of colours, but the blue-banded sea snake has regained genes lost millions of years ago that may let them see ultraviolet and blue light

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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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Health

Genetic marker discovered for the severity of multiple sclerosis

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How new fetal therapies are treating genetic conditions in the womb

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A brown plaque formed in a human brain produced by the virus-like prion that causes Creutzfeldt-Jakob disease

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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

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Butterflies evolved 100 million years ago in North America

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Having naturally high vitamin D levels may protect against psoriasis

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Aerial. People crowd on pedestrian crosswalk. Top view background. Toned image.

Health

What is the human pangenome and why do we need it?

A sequence for the human genome was first published in 2001, but this original reference doesn't reflect the full genetic diversity of humanity - something a new "pangenome" attempts to solve

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Life

Ancient bacteria genome reconstructed from Neanderthal tooth gunk

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Balto's genome reveals famed sledge dog was a mutt

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Skates evolved their undulating wings thanks to genome origami

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Roots of five medical conditions shown in map of the developing brain

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