This week's magazine
8 November 2025
Issue 3568
On the cover
Editor's picks
Mind
What we’re learning about consciousness from master meditators’ brains
Health
Our bodies are ageing faster than ever. Can we hit the brakes?
Technology
How preppers plan to save us if the whole internet collapses
Humans
Does the family tree of ancient humans need a drastic rewrite?
Table of contents
¿ìè¶ÌÊÓÆµ
A tiger gets taken for a CT scan
The four-year-old, called Luca, was one of three big cats to be examined in a mobile CT unit at The Big Cat Sanctuary in Kent for unexplained mobility issues
Humans
Denisovans may have interbred with mysterious group of ancient humans
Space
We may have found a surprisingly nearby cluster of primordial stars
Health
Magnetic gel could remove kidney stones more effectively
Environment
COP30: Can Brazil summit get climate negotiations back on track?
Environment
COP30: What’s on the agenda at the Belém climate summit
Life
Orcas are ganging up on great white sharks to eat their livers
Health
Stem cell therapy lowers risk of heart failure after a heart attack
Space
SpaceX’s Starlink and other satellites face growing threat from sun
Chemistry
Bulletproof fabric laced with carbon nanotubes is stronger than Kevlar
Humans
Prehistoric crayons provide clues to how Neanderthals created art
Humans
Boy’s body was mummified and turned green by a copper coffin
Health
Can’t focus after a bad night’s sleep? Your dirty brain is to blame
Life
Dinosaur skeleton settles long debate over ‘tiny T. rex’ fossils
Health
The gut microbiome may play a role in shaping our personality
Space
A tiny nearby galaxy is home to a shockingly enormous black hole
Space
A distant comet is forming new rings while we watch in real time
Technology
Analogue computers could train AI 1000 times faster and cut energy use
Health
Men may have to exercise more than women to get same heart benefits
Features
Health
Our bodies are ageing faster than ever. Can we hit the brakes?
All over the world people are ageing more rapidly and succumbing to diseases that typically affected the elderly. But there are ways to turn back the clock on your biological age
Technology
How preppers plan to save us if the whole internet collapses
Humans
Does the family tree of ancient humans need a drastic rewrite?
Mind
What we’re learning about consciousness from master meditators’ brains
Culture
Life
This book is a great insight into the new science of microchimerism
Lise Barnéoud's Hidden Guests shows how this fascinating new field brings with it profound implications for medicine, and even what it means to be human, finds Helen Thomson
Environment
New book tells compelling tale of the fight to save the Siberian tiger
Comment
¿ìè¶ÌÊÓÆµ recommends the cult film Hackers – 30 years late
Space
Deep-space sci-fi novel is delightful, profound and not to be missed
More
Society
Human minds abhor uncertainty. This is a problem for liberal democracy
Neurologically, the flexibility of the future promised by liberal democracy can be a challenge because it brings with it uncertainty. But there are solutions, say Florence Gaub and Liya Yu
Physics
The fascinating story of the ultimate cosmic law
Space
Here’s how to spot the Leonid meteor shower this month
Tom Gauld on a portal to an alternate universe
Twisteddoodles: ‘I’m a little beaker, short and stout…’
Regulars
Comment
Is a robot programmed to prank you annoying? Yes
Feedback discovers a robot that can mimic Turkish ice cream vendors, who are known for playing tricks on their customers. Researchers concluded that customers, perhaps predictably, don't trust it