Health
New Year’s resolutions work better if you know what to measure
Comment
This week's magazine
27 December 2025
Issue 3575
On the cover
Editor's picks
Health
You can upgrade your immune system, but not in the way you think
Features
Space
The essential guide to proving we鈥檝e found alien life
Features
Health
How to extend and improve your life by getting more creative
Features
Environment
How lab-grown lichen could help us to build habitations on Mars
Features
Table of contents
News
Life
Tiny orange frog around the size of a pencil tip is brand-new species
Discovered in the forests of Brazil, Brachycephalus lulai 鈥� a new species of pumpkin toadlet frog 鈥� is named after the country's president Luiz In谩cio Lula Da Silva
News
Environment
Some Arctic warming 鈥榠rreversible鈥� even if we cut atmospheric CO2
News
Physics
Qubits break quantum limit to encode information for longer
News
Health
IVF success may depend on how long men abstain from ejaculation
News
Space
Black hole stars really do exist in the early universe
News
Life
Killer whales and dolphins are 鈥榖eing friends鈥� to hunt salmon together
News
Space
Mars may once have had a much larger moon
News
Life
Genetic trick to make mosquitoes malaria resistant passes key test
News
Space
Earth and solar system may have been shaped by nearby exploding star
News
Humans
Roman occupation of Britain damaged the population鈥檚 health
News
Health
We may finally know what a healthy gut microbiome looks like
News
Environment
How green hydrogen could power industries from steel-making to farming
News
Health
Timing cancer drug delivery around our body clock may boost survival
News
Life
Dinosaurs like Diplodocus may have been as colourful as birds
News
Features
Health
You can upgrade your immune system, but not in the way you think
From vitamin C to your microbiome and mindset, the latest science of immunity is often counterintuitive. Here's how to give your system a fighting chance to overcome infection
Features
Space
The essential guide to proving we鈥檝e found alien life
Features
Health
How to extend and improve your life by getting more creative
Features
Environment
How lab-grown lichen could help us to build habitations on Mars
Features
Culture
Society
Bill Bryson on why he has updated A Short History of Nearly Everything
With the human family tree now more like a hedge and twice as many known moons, Bill Bryson talks to the New 杏吧原创 podcast about refreshing his 2003 bestselling book on science
Culture
Humans
Why do we feel the need to humanise everything, from dogs to cars?
Culture
Mind
Can a new book crack one of neuroscience’s hardest problems? Not quite
Culture
More
Mind
Why it is important to make space for solitude over the festive season
The festive season is a period of social connection for many of us, but alone time can be equally enriching, says Thuy-vy Nguyen, principal investigator of the Solitude Lab
Comment
Technology
How not to misread science fiction
Comment
Mathematics
Why we all need a little festive pedantry when it comes to snowflakes
Regulars
Tom Gauld on a consciousness hotline
Regulars
Twisteddoodles on a very silly moon
Regulars
Regulars
What is Bryan Johnson up to now? We try to explain
Feedback's eyebrows are raised at tech millionaire Bryan Johnson's latest exploits, which involve Grimes, music, and hallucinogenic mushrooms
This Week鈥檚 Letters
Letters
What do animals hear when music is played to them?
Last Word
This week鈥檚 new questions
Last Word
Do you wake up needing to pee, or wake up then need to pee? part 2
Last Word
What part do my ears play when I think of a tune? part 2
Last Word
