This week's magazine
19 June 2021
Issue 3339
On the cover
Editor's picks
Table of contents
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Health
Delta variant doubles risk of covid-19 hospitalisations, study shows
Models predicting a possible huge third wave of covid-19 cases and evidence that the delta variant of coronavirus increases hospitalisation risk are behind the decision to delay easing of lockdown in England
Health
Zero-covid countries have done best and it’s not too late to switch
Life
Female seahorses cheat on their mate when they can no longer smell him
Chemistry
Robotic chemist may be able to recreate Earth’s primordial soup
Life
Your dog may not like you as much as you think it does
Life
The deep sea hosts twice as many shapes of fish as shallow waters
Health
Dogs that detect seizures may be sniffing out the scent of human fear
Space
China’s Zhurong Mars rover took a group selfie with its lander
Health
You can catch covid-19 twice, but the second bout is likely to be mild
Life
Fox-breeding experiment suggests domestication can boost brain size
Technology
DARPA drone interceptor seems to be armed with a form of Silly String
Physics
Merging galaxies throw shade on alternative dark matter theory
Space
Dark matter is slowing down the slab of stars at our galaxy’s centre
Life
Many female animals are evolving to look more attractive to mates
Technology
Google is using AI to design processors that run AI more efficiently
Technology
Quantum microscope can examine cells in unprecedented detail
Space
Thousands of mysterious radio signals blast through the universe daily
Life
A single honeybee has cloned itself hundreds of millions of times
Health
Laughing gas has shown potential as a treatment for depression
Space
Wind from supermassive black holes may help small galaxies thrive
Environment
Slump in electronics sales due to pandemic could help tackle e-waste
Earth
Uttarakhand flood was caused by rare rock and glacier avalanche
Life
Some early land-dwelling amphibians evolved back into aquatic species
Life
Whale that travelled halfway around the world sets migration record
Analysis
Health
Calories on food packets are wrong – it’s time to change that
The calories on food packets don't actually take into account how our bodies use them. It is time we demanded better information on what we consume, says Giles Yeo
Health
We are witnessing an accelerated shift in how people view food
Features
Technology
The essential guide to the algorithms that run your life
From shaping what we read and buy to diagnosing illness, algorithms play a key role in every aspect of our lives. Here’s what you need to know about the most important ones
Humans
The biggest flaw in human decision-making – and how to fix it
Earth
Inside the race to rescue clues to Earth’s past from melting glaciers
Culture
Humans
How an activist from Malawi changed the minds of US climate sceptics
The Ants and The Grasshopper tells the story of Anita Chitaya, an activist fighting gender inequality and climate change who set out to change minds about climate change – including that of President Trump
Humans
Don’t Miss: Fantastic Beasts at London’s Natural History Museum
Environment
Breaking Boundaries review: Attenborough on climate change facts
Humans
Parallel review: A multiverse movie packed with sharp ideas
More
Humans
How gardeners can help plant-eating insects instead of killing them
Aphids and other garden foes often make us reach for pesticides, but a wildlife rethink could be in order. With many insects in decline, we should be planting to lure invertebrates to our gardens, says Clare Wilson
Twisteddoodles: ‘Which of my features do you require right now?’
Tom Gauld: The four types of discovery
Regulars
That time the weather was forecast to be 152 degrees
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more