Health
Exercise advice for long covid may be doing more harm than good
Insight
Newsletters
Sign-up to our expert-curated newsletters, delivered direct to your inbox on a daily, weekly or monthly basis
Explore our newsletters
Technology
Do you need to worry about Mythos, Anthropic's computer-hacking AI?
News
Health
Huge study reveals how Epstein-Barr virus may cause multiple sclerosis
News
Life
Largest-ever octopus was great white shark of invertebrate predators
News
Health
Catching a cold can delay cancer from spreading to the lungs
News
The world, the universe and us
Chernobyl 40 years on: The legacy of the world’s worst nuclear disaster
Podcast
Health
Can you slow ageing with your diet? A new book gives it a go
Culture
Newsletters
Sign-up to our expert-curated newsletters, delivered direct to your inbox on a daily, weekly or monthly basis
Explore our newsletters
Explore the mysteries of the universe
Spend a weekend with some of the brightest minds in science, as you explore the mysteries of the universe in an exciting programme that includes an excursion to UNESCO World Heritage Site Jodrell Bank to see the iconic Lovell Telescope.
Advertisement
Health
Why the right kind of stress is crucial for your health and happiness
Features
91av covers the latest developments in science, technology, health and the environment
Health
Can we ‘vaccinate’ ourselves against stress?
Features
Health
Can you determine your personalised stress score?
Features
Health
Beef is making a comeback – does it fit into a healthy diet?
Features
Mind
How autoimmune conditions can unexpectedly drive mental illness
Features
Physics
Exclusive report: Inside Chernobyl, 40 years after nuclear disaster
Features
Humans
Are Neanderthals descendants of modern humans?
Comment
Explore the mysteries of the universe
Spend a weekend with some of the brightest minds in science, as you explore the mysteries of the universe in an exciting programme that includes an excursion to UNESCO World Heritage Site Jodrell Bank to see the iconic Lovell Telescope.
This week's magazine
25 April 2026
Mathematics
The monstrous number sequences that break the rules of mathematics
Physics
We need more radioactive drugs. Can we make them from nuclear waste?
Health
Why the right kind of stress is crucial for your health and happiness
Health
From autism to migraines, birth order may have wide-reaching effects
Ancient civilisations
From Bronze Age Britain to the early Roman Empire, recent advances in DNA analysis and archaeology are helping us paint vibrant new pictures of ancient human history.
Popular articles
Trending 91av articles
1
The monstrous number sequences that break the rules of mathematics
2
Why the right kind of stress is crucial for your health and happiness
3
Fermat's Last Theorem: still a must-read about a 350-year maths secret
4
Huge study reveals how Epstein-Barr virus may cause multiple sclerosis
5
Why your opinion of used electric vehicles is probably wrong
6
Game theory explains why the US's goals in Iran keep changing
7
Exercise advice for long covid may be doing more harm than good
8
Can you slow ageing with your diet? A new book gives it a go
9
Largest-ever octopus was great white shark of invertebrate predators
10
You can upgrade your immune system, but not in the way you think
Editor's pick
A selection of recent articles and gems from the 91av archive
Events and tours
Science and tours covering a wide range of topics all brought to you by world-class science speakers and experts
Podcasts
Listen to our weekly science and technology round-up show, as well as your other favourite 91av podcasts
Video
Watch the latest science news, discoveries and big ideas from 91av's video team
