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This week's magazine

20 September 2025

Issue 3561

New Scientist issue 3561 cover
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On the cover

Features
What it’s like to run the world’s best dark matter detector
The exercises you need to do to reach 100 in great shape
The science revealing how the right diet can add a decade to your life
Why caring for your microbiome is crucial if you want to live to 100
How to nurture the right mindset for living to 100
What’s the secret to living well beyond the average life expectancy?
The real scientific insights from Bryan Johnson’s immortality quest
News
Gravitational waves finally prove Stephen Hawking's black hole theorem
DNA cassette tape can store every song ever recorded
NASA hasn't found life on Mars yet – but signs are promising
Early Neanderthals hunted ibex on steep mountain slopes
Jupiter is smaller and more squashed than we thought
Aperture
Dramatic photos show bid to save the Javan slow loris
Regulars
Where’s my jetpack got to? And other sci-fi tech queries
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Editor's picks

portrait happy senior asian woman look at camera

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In the race to reach 100, the wealthy have a head start

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How to nurture the right mindset for living to 100

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How to nurture the right mindset for living to 100

Features
The science revealing how the right diet can add a decade to your life

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The science revealing how the right diet can add a decade to your life

Features
Tech entrepreneur and investor Bryan Johnson photographed at home in Los Angeles, Calif., November 15, 2023. Mr. Johnson spends several millions of dollars a year on efforts to slow down and reverse the aging of his body. Credit: Agaton Strom/Redux / eyevine For further information please contact eyevine tel: +44 (0) 20 8709 8709 e-mail: info@eyevine.com www.eyevine.com

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The real scientific insights from Bryan Johnson’s immortality quest

Features
The exercises you need to do to reach 100 in great shape

91ɫƬ

The exercises you need to do to reach 100 in great shape

Features
What’s the secret to living well beyond the average life expectancy?

91ɫƬ

What’s the secret to living well beyond the average life expectancy?

Features
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
LZ

Physics

What it’s like to run the world’s best dark matter detector

Features

Table of contents

Leaders

portrait happy senior asian woman look at camera

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In the race to reach 100, the wealthy have a head start

There are more centenarians now than ever before. But more must be done to address inequalities that prevent people from having a realistic chance of hitting this milestone.

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News

Humans

Does this sculpted head show an ancient hunter-gatherer's hairstyle?

A carved figure found in northern France, dated to 27,000 years ago, may reflect how hair was styled in a culture that disappeared during the last glacial maximum

News

Space

Exoplanet 40 light years from Earth may have right conditions for life

News

Space

Gravitational waves finally prove Stephen Hawking's black hole theorem

News

Life

Iridescent mammals are much more common than we thought

News

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Resistance training may strengthen your gut microbiome

News

Environment

Geoengineering is not going to save the poles from climate change

News

Life

‘Great Migration’ involves far fewer wildebeest than we had thought

News

Technology

DNA cassette tape can store every song ever recorded

News

Space

NASA hasn't found life on Mars yet – but signs are promising

News

Humans

We evolved to match local micronutrient levels, which may be a problem

News

Humans

Britain's economy thrived after the withdrawal of the Roman Empire

News

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Antibody cocktail could work as a universal flu treatment

News

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Tiny structure in the brain could be driving how much you eat

News

Humans

Early Neanderthals hunted ibex on steep mountain slopes

News

Space

A weird cloud forms on Mars each year and now we know why

News

Space

Jupiter is smaller and more squashed than we thought

News

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Covid-19 vaccine benefits worth up to $38 trillion in first year alone

News

Humans

30,000-year-old toolkit shows what ancient hunter carried in a pouch

News

Technology

Quantum computer made with silicon chips looks like a time machine

News

Analysis

A child in Peru takes candy from a shelf

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Child obesity is now more common than undernutrition – what do we do?

Childhood obesity rates have surpassed those of undernutrition for the first time, suggesting efforts to combat malnutrition will have to shift gears.

News

Aperture

A Javan slow loris reacts while receiving treat at Ujung Kulon National Park in Indonesia's Banten province on August 14, 2025.

Life

Dramatic photos show bid to save the Javan slow loris

The photos tell an unusual rescue story – the release of the critically endangered Javan slow lorises into Ujung Kulon National Park on Java Island, Indonesia, last month.

Regulars

Features

LZ

Physics

What it’s like to run the world’s best dark matter detector

Chamkaur Ghag is on a mission to find the 85 per cent of the universe’s matter that we haven’t yet identified. He details his hopes for the major scientific experiment – and what the future could hold

Features

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The exercises you need to do to reach 100 in great shape

Features

91ɫƬ

The science revealing how the right diet can add a decade to your life

Features

91ɫƬ

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

Features

91ɫƬ

How to nurture the right mindset for living to 100

Features

91ɫƬ

What’s the secret to living well beyond the average life expectancy?

Features

91ɫƬ

The real scientific insights from Bryan Johnson’s immortality quest

Features

Culture

Liquid cooled servers in an installation at the Global Switch Docklands data centre campus in London, UK, on Monday, June 16, 2025. Nvidia Corp. Chief Executive Officer Jensen Huang projected that Europe's artificial-intelligence computing capacity will increase by a factor of ten over the next two years, with more than 20 so-called AI factories in the works. Photographer: Jason Alden/Bloomberg via Getty Images

Technology

No, AI isn’t going to kill us all, despite what this new book says

The arguments made by AI safety researchers Eliezer Yudkowsky and Nate Soares in If Anyone Builds It, Everyone Dies are superficially appealing but fatally flawed, says Jacob Aron

Culture

Mind

Steven Pinker’s new book shows how he’s become a contradictory figure

Culture

Life

New Scientist recommends David Attenborough's Parenthood

Culture

Environment

Ian McEwan’s new novel weaves climate change into literary mystery

Culture

More

A series of retouched illustrated images of a silhouette of a rocket jetpack man flying in the sky at sunset. There are a range of positioning of the rocket man to suit your needs. Medium distance composition. The rocket man is an illustration put on a background image of the sunset. The rocket man illustration is an illustration that I drew in photoshop. You will see that it is just a flat shape with no tone or detail, but because it is a silhouette against the sky, it works well. The illustration is a traced illustration from a photographic origin and I took the original photo so I understand that I am the sole copyright holder. I have attached it for you to view in the releases upload as requested.

Humans

Where’s my jetpack got to? And other sci-fi tech queries

We are still waiting for the retro-futuristic tech and social revolutions envisioned in science fiction’s old gold, writes Annalee Newitz – not to mention advances in reproduction

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Three simple rules for a great post-workout meal

Regulars

Environment

A radical idea to fix plastics recycling

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Tom Gauld on noisy neighbours

Regulars

Twisteddoodles on emails vs meetings

Regulars

Regulars

The real reason our weather is going to the dogs

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The real reason our weather is going to the dogs

Feedback was amazed to hear that dog ownership could cause a hurricane across the other side of the world. Or are we barking up the wrong tree?

Regulars

Regulars

Letters

Regulars

The last word

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