This week's magazine
20 March 2021
Issue 3326
On the cover
Editor's picks
Table of contents
News
Health
No indication AstraZeneca vaccine causes blood clots, says regulator
More countries suspend the coronavirus jab over fears of blood clots, despite EU regulators remaining firmly convinced that the benefits of the vaccine outweigh any risks
Health
US refuses to extend time between coronavirus vaccine doses
Health
People who have had covid-19 may only need one dose of vaccine
Health
UK variant looks set to cause a surge in global coronavirus cases
Life
Hibernating marmots don鈥檛 seem to age – could humans do the same?
Earth
Signs that Earth was once almost entirely molten found in ancient rock
Humans
Mass graves in France belonged to opposing soldiers in medieval war
Space
Seven alien space rocks should pass through our solar system each year
Earth
One side of Earth’s interior is losing heat much faster than the other
Life
Electric catfish cannot be shocked and scientists don鈥檛 know why
Humans
Early humans may have turned to small game after wiping out big beasts
Technology
AI can stop the cybersickness some people get when using VR headsets
Life
Altered bioelectric genes give zebrafish wings like flying fish
Technology
Robots increase the gender pay gap despite raising wages overall
Life
Some Amazon jaguars have adapted to live in treetops to avoid flooding
Technology
Fire safety app simulates wildfires and shows a route to avoid them
Technology
UK still using racially biased passport tool despite available update
Technology
A quantum trick with photons gives machine learning a speed boost
Technology
AI helps assess pain levels in people with sickle cell disease
Environment
Wooden floors rotted by fungi generate electricity when walked on
Humans
DNA reveals ancient Croatian massacre was an indiscriminate killing
Technology
Small device could warn you if you’ve been too still at your desk
Humans
A Bronze Age queen was buried wearing a priceless silver crown
Physics
Physicists have measured gravity on the smallest scale ever
Analysis
Environment
Pollinators are our secret weapon in the fight against global warming
Pollinators have a critical, but largely unappreciated, role to play when it comes to climate change, says ecologist Jeff Ollerton
Technology
NFTs seem both a capitalist stunt and a great tool for digital art
Features
Health
Think yourself younger: Psychological tricks that can help slow ageing
How old you feel matters for how long you will live. Here's how you can reduce your psychological age
Environment
Aircraft contrails are a climate menace. Can we rid the sky of them?
Environment
Mark Carney interview: Rethink capitalism to solve the climate crisis
Culture
Humans
Elon Musk’s SpaceX may have been one explosion away from going bust
The compelling story of how Elon Musk's relentless quest to get humans to Mars helped SpaceX succeed against the odds makes great reading in Eric Berger's book, Liftoff
Humans
Silk Road review: The true story of the dark web’s illegal drug market
Humans
Don鈥檛 Miss: Omni-Man and his son in Invincible on Amazon Prime Video
Technology
Klara聽and the Sun review: Ishiguro’s thought-provoking future for AI
More
Space
What is the spring equinox and is it something worth celebrating?
Do the spring and autumn equinoxes give us days and nights of the same length? It isn't so simple, says Abigail Beall in this month's Stargazing column
Twisteddoodles’ on when research doesn’t float your boat
Tom Gauld has a short housekeeping announcement
Regulars
Humans
Is it time for brutalist architecture on the moon?
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more