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Table of contents

Leaders

Health

Banishing wrinkles could boost healthy ageing – so who pays the bill?

Research suggesting that wrinkles could be a driver of ageing means we need to rethink the beauty industry – and who pays for it

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Technology

3D-printed cake made from 7 different pastes and finished by a laser

A cake has been 3D printed using seven simple ingredients blended into pastes. The result was a layered flavour that "hits you in different waves"

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Space

Samples from asteroid Ryugu contain one of the building blocks of RNA

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Health

Botox injections in forehead alter brain activity linked to emotions

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Mathematics

Mathematicians discover shape that can tile a wall and never repeat

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Health

Around 2 billion people don't have access to clean drinking water

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Health

The key to deeper sleep might be a high-protein diet

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Life

Parasite from cat faeces killed four sea otters in California

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Space

Fissures on ocean moons may be too rare to provide conditions for life

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Life

The garden dormouse glows under UV light - but we don’t know why

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Chemistry

Graphene with ripples could help make better hydrogen fuel cells

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Society

Reducing inequality could see world population fall to 6 billion

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Humans

Ancient humans may have cooked and eaten snails 170,000 years ago

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Space

JWST finds the planet TRAPPIST-1b may not have an atmosphere

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Physics

CERN measurement casts doubt on shocking W boson result

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Environment

Restoring just nine groups of animals could help combat global warming

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Space

Astronauts could mine drinking water from glass beads on the moon

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Analysis

Technology

Is GPT-4 already showing signs of artificial general intelligence?

Microsoft has created a series of tests for OpenAI's GPT-4 that it claims show the artificial intelligence model is already displaying "sparks" of general intelligence

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Environment

Europe survived its winter energy crisis, but what happens next year?

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Technology

Should you be worried that an AI picture of the pope went viral?

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Space

Why space scientists need science fiction

Comment

Health

Cancer mystery as cases rise among younger people around the world

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Health

We are trapped in a junk food cycle that is making us sick

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Aperture

Comment

Stunning photographs accompany Attenborough's Wild Isles show

These images from a companion book to David Attenborough's new documentary series celebrate the wildlife of Britain and Ireland

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Features

Life

Nalini Nadkarni, the ecologist revealing the secrets of cloud forests

How a pioneering canopy researcher unlocked the mysteries of an extraordinary ecosystem and the unlikely tree-dwelling plants it depends on

Features

Space

The hunt for black holes older than the universe itself

Features

Health

The radical new theory that wrinkles actually cause ageing

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Culture

Comment

Once Upon a Prime review: The connections between maths and fiction

Sarah Hart's engaging book about how central maths is to literature by authors from George Eliot to Georges Perec is a homage to both subjects

Culture

Comment

65 review: Timing is a bit off in Adam Driver's dinosaur thriller

Culture

Comment

Virtual You review: The quest to build your digital twin

Culture

Comment

Presence review: A lively look at why we experience ghostly presences

Culture

Comment

Don't Miss: Titanosaur on show at London's Natural History Museum

Culture

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More

Space

How to spot the Beehive cluster in the constellation of Cancer

Nestled within the faintest of the zodiacal constellations, the Beehive cluster can be tricky to find, but these stars are worth the effort, says Abigail Beall

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Puzzle #215: How often will the month and the day be the same number?

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Tom Gauld on a parallel universe where time flows backwards

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Twisteddoodles: How parenting has changed

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What do you call gunk with mathematical qualities? Hypergunk

Feedback explores hypergunk, one of the concepts behind irreducibly collective existence and bottomless nihilism, and gets involved in the war going on in the nasal cavity

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Letters

Regulars

The last word