This week's magazine
13 February 2021
Issue 3321
On the cover
Editor's picks
Table of contents
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Health
South Africa rethinks plans after variant evades AstraZeneca vaccine
South Africa has paused its roll-out of the Oxford/AstraZeneca vaccine because it might not be effective against the South African B.1.351 coronavirus variant – but it is still likely to limit the severity of covid-19
Health
The 5 best things you can do to boost the chance of a vaccine working
Space
The United Arab Emirates’ Hope orbiter is about to arrive at Mars
Health
How can you tell if a coronavirus vaccine has given you immunity?
Health
Next coronavirus vaccines may be drops, pills or printed on demand
Chemistry
‘Splat chemistry’ creates substances by chucking molecules at a wall
Life
Decline of butterfly collecting hobby threatens conservation research
Life
Orangutans create new ways to communicate with each other in captivity
Humans
2700-year-old face cream was made from animal fat and cave ‘milk’
Physics
Mathematician makes breakthrough on 100-year-old problem about knots
Space
Lines on Mars could be created by salty water triggering landslides
Environment
Australian government may use herpes virus to control invasive carp
Technology
Bouncing backpack is easier to carry and generates electricity
Environment
Salt marsh fairy circles go from rings to bullseyes to adapt to stress
Health
Some mouse sperm try to sabotage rivals in race to fertilise the egg
Life
Some spiders use their silk to hoist helpless prey so it cannot escape
Analysis
Technology
Our study of gambling and its harms shows it’s time to intervene
Online gambling has exploded in recent years and we now have the fullest picture yet of its links to financial and social harm, say Naomi Muggleton and Neil Stewart
Environment
Net zero has taken the world by storm in a rare climate win
Features
Environment
Is there any type of fish you can actually eat sustainably?
Labels declaring seafood "sustainable" give us comfort we’re consuming ethically, but tracing the true environmental toll tells a different story - mostly
Health
The game-changing covid-19 treatments that helped slash the death rate
Humans
Avi Loeb interview: Could ‘Oumuamua be alien technology after all?
Culture
Health
It’s A Sin review: A series that will tug on your heartstrings
Russell T Davies's mini series It’s A Sin serves as the perfect snapshot into London’s gay scene in the 1980s, while exposing the harsh realities of the decade’s rising AIDS epidemic
Humans
Don’t Miss: Netflix’s Tribes of Europa, a German near-future sci-fi
Life
Playing With Sharks review: The amazing woman who helped film Jaws
Humans
Build colonies or save spacecraft in the best video games set on Mars
More
Regulars
Spinach has less iron than you think and can’t even send emails
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more