This week's magazine
22 March 2025
Issue 3535
On the cover
Editor's picks
Table of contents
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Space
Euclid space telescope captures 26 million galaxies in first data drop
The European Space Agency has released the first batch of large-scale images from the Euclid space telescope, which astronomers have already used to find hundreds of strong gravitational lenses
Space
Dark energy isn’t what we thought – and that may transform the cosmos
Space
Best ever map of early universe is double-edged sword for cosmologists
Technology
Revealed: How the UK tech secretary uses ChatGPT for policy advice
Life
We may have discovered how dark oxygen is being made in the deep sea
Mathematics
Mathematicians solve 125-year-old problem to unite key laws of physics
Space
Most quakes on Mars happen during the summer – and we don’t know why
Mind
Memory illusion makes you think events occurred earlier than they did
Humans
Surprising skeletons prompt a radical rethink of Egyptian pyramids
Life
Fossils reveal what the fur of early mammals looked like
Space
Rolling boulders on Titan could threaten NASA’s Dragonfly mission
Mind
You could train your brain to be less fooled by optical illusions
Humans
Ancient face bones offer clues to identity of early humans in Europe
Space
The asteroid Bennu is even weirder than we thought
Environment
Can we rely on forests to soak up the extra CO2 in the atmosphere?
Chemistry
Metals can be squeezed into sheets just a few atoms thick
Health
Giving blood frequently may make your blood cells healthier
Mind
What makes a good day a good day, according to science
Life
H5N1 flu is now killing birds on the continent of Antarctica
Features
Space
Is our cosmos just a membrane on the edge of a far stranger reality?
String theory may be our best attempt at a theory of everything, except that it can't describe an expanding universe like ours. Now a radical new twist on the idea could finally fix that – but it requires us to completely reimagine reality
Life
What the extraordinary medical know-how of wild animals can teach us
Mind
Psychology is revealing how to have a better relationship with money
Culture
Mathematics
This excellent guide to the science of uncertainty is very welcome
Adam Kucharski's new book Proof is a life raft in a sea of fake news and misinformation
Mind
What happened when one woman set out to improve her personality
Technology
Brilliant sci-fi novel shows robots coming to grips with emancipation
More
Environment
An early-warning system for climate ‘tipping points’ is an awful idea
Improving our understanding of sudden climate shifts is welcome. But framing this as creating an "early-warning system" is wrong on so many levels it is hard to know where to begin, says Bill McGuire
Physics
Why particle physicists are going wild for a record-breaking neutrino
Life
Why you don’t need to worry about ‘over-potting’ your plants
Tom Gauld on keeping science safe
Twisteddoodles on making peer review fun
Regulars
Comment
Is this new Lego model a nod to the terrifying idea of mirror life?
Feedback, a Lego fan, delves into a new science-related set, and learns that the model of a DNA double helix is the wrong way around. Time for some jokes about mirror organisms...