This week's magazine
1 April 2023
Issue 3432
On the cover
Editor's picks
Health
Banishing wrinkles could boost healthy ageing – so who pays the bill?
Health
The radical new theory that wrinkles actually cause ageing
Life
Nalini Nadkarni, the ecologist revealing the secrets of cloud forests
Space
The hunt for black holes older than the universe itself
Table of contents
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Environment
Restoring just nine groups of animals could help combat global warming
Protecting or expanding the populations of nine key groups of animals, including wolves and whales, would remove huge amounts of carbon from the atmosphere
Space
Astronauts could mine drinking water from glass beads on the moon
Humans
Ancient humans may have cooked and eaten snails 170,000 years ago
Physics
CERN measurement casts doubt on shocking W boson result
Society
Reducing inequality could see world population fall to 6 billion
Life
The garden dormouse glows under UV light – but we don’t know why
Space
JWST finds the planet TRAPPIST-1b may not have an atmosphere
Chemistry
Graphene with ripples could help make better hydrogen fuel cells
Space
Fissures on ocean moons may be too rare to provide conditions for life
Health
Around 2 billion people don’t have access to clean drinking water
Space
Samples from asteroid Ryugu contain one of the building blocks of RNA
Health
Botox injections in forehead alter brain activity linked to emotions
Mathematics
Mathematicians discover shape that can tile a wall and never repeat
Health
The key to deeper sleep might be a high-protein diet
Life
Parasite from cat faeces killed four sea otters in California
Technology
3D-printed cake made from 7 different pastes and finished by a laser
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
Environment
Europe survived its winter energy crisis, but what happens next year?
Technology
Should you be worried that an AI picture of the pope went viral?
Health
Cancer mystery as cases rise among younger people around the world
Health
We are trapped in a junk food cycle that is making us sick
Space
Why space scientists need science fiction
Features
Health
The radical new theory that wrinkles actually cause ageing
Forget vanity, there is a much better reason to care about your laughter lines – wrinkles may be driving ageing in your body and brain via zombie-like senescent cells
Life
Nalini Nadkarni, the ecologist revealing the secrets of cloud forests
Space
The hunt for black holes older than the universe itself
Culture
Comment
Virtual You review: The quest to build your digital twin
It would be the ultimate in personalised medicine: a digital version of your body, which doctors could use to predict what diseases might befall you and your future health. A new book from Peter Coveney and Roger Highfield asks if it is possible
Comment
Presence review: A lively look at why we experience ghostly presences
Comment
Don’t Miss: Titanosaur on show at London’s Natural History Museum
Comment
Once Upon a Prime review: The connections between maths and fiction
Comment
65 review: Timing is a bit off in Adam Driver’s dinosaur thriller
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
Tom Gauld on a parallel universe where time flows backwards
Twisteddoodles: How parenting has changed
Regulars
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