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Mary Brunkow, Fred Ramsdell and Shimon Sakaguchi are announced as the winners of the 2025 Nobel prize in physiology or medicine by committee secretary general Thomas Perlmann

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Nobel prize for medicine goes to trio for work on immune tolerance

The 2025 Nobel prize in physiology or medicine has gone to Mary Brunkow, Fred Ramsdell and Shimon Sakaguchi for their discoveries around how we keep our immune system under control

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Solar panels installed in wild brush land near Worcester, Western Cape, South Africa.

Environment

What made solar power the most desirable energy source on the planet?

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Why caring for your microbiome is crucial if you want to live to 100

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Why caring for your microbiome is crucial if you want to live to 100

Features

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Good immune health may come at the expense of chronic inflammation

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Chemistry

Sun-powered device extracts lithium without wrecking the environment

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Environment

Why solar power is the only viable power source in the long run

Analysis

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Antibiotics normally don’t increase the risk of autoimmune disorders

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Space

There might be a 'Planet Y' hiding in the outer solar system

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Space

Ceres may have been habitable at just half a billion years old

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New subtype of diabetes found in youths from sub-Saharan Africa

In sub-Saharan African youths diagnosed with type 1 diabetes, 65 per cent do not have antibodies or genetic risks associated with the disease, suggesting they have a novel non-autoimmune subtype of the disorder

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Environment

Bill McKibben makes a powerful pitch for solar in optimistic new book

Culture

Space

6 of the most fascinating moments in the life of our solar system

Features

Space

A planet the size of Saturn could orbit the nearest sun-like star

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Vagus nerve stimulation receives US approval to treat arthritis

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