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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Health

Will lab-grown sperm let infertile men have children of their own?

Men who do not produce sperm can’t be helped by existing fertility treatments, but a start-up is now claiming it can grow their sperm in the lab. Columnist Michael Le Page suspects this technique will have to be combined with gene editing if it is to help many men

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Health officials working to tackle Bundibugyo virus in the Democratic Republic of Congo on 21 May

Health

Experimental mRNA vaccine may protect against multiple Ebola viruses

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A health worker prepares a diphtheria and tetanus vaccine

Health

Australia is battling its largest diphtheria outbreak in living memory

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Health

How ageing on Earth mimics the effects of space travel

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Health

Women’s better memories may delay Alzheimer’s diagnosis by years

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Women’s body temperature rises from age 18 to 42 but we don’t know why

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Can we harness quantum effects to create a new kind of healthcare?

Health

Can we harness quantum effects to create a new kind of healthcare?

Features

Health

The 3 things you need to know about protein, according to an expert

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A health worker instructs a local resident to wash their hands in Rwampara, Democratic Republic of the Congo, on 16 May, amid the Ebola outbreak

Health

The Ebola emergency shines a light on the urgent need for new vaccines

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Health

Your body clock has seasonal rhythms and it matters for vaccines

We think of our body clock ticking over on a 24-hour cycle, but evidence is growing that it has seasonal rhythms, which could affect our response to vaccines

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Health

CAR T-cell therapy bolstered by stiffening up cancer cells first

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Rebooting stem cells builds aged muscles and assists injury recovery

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Health

Dementia: everything you need to know now

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Health

PCOS has been officially renamed PMOS, and it’s a momentous move

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