This week's magazine
18 September 2021
Issue 3352
On the cover
Editor's picks
Humans
The microbial gunk that hardens on teeth is revealing our deep past
Technology
We’ve mastered acoustic levitation – and it is surprisingly useful
Health
Generation Covid: What the pandemic means for young people’s futures
Environment
Younger generations are the most fatalistic about climate change
Table of contents
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Health
Is the delta coronavirus variant more dangerous for children?
Reports from some US hospitals have suggested that the delta coronavirus variant is more likely to have severe symptoms in children and hospitalise them, but the evidence for this is limited
SpaceX is about to send the first ever all-amateur mission into orbit
Health
Rare genetic variants play important role in people who live to be 100
Environment
Most CO2 from Australia’s megafires has been offset by algal blooms
Life
Army ants use temporary bases to store food when raiding insect nests
Environment
Shifting jet stream due to warming could threaten Europe from 2060
Environment
Even tiny green spaces in cities help urban wildlife biodiversity
Technology
AI can detect a deepfake face because its pupils have jagged edges
Life
A glimpse at Greenland’s deep-sea ecosystems threatened by fishing
Technology
A US military robot ship has fired a large missile for the first time
Health
Sharon Peacock interview: How we track down new coronavirus variants
Humans
Piles of animal dung reveal the location of an ancient Arabian oasis
Space
Planet-eating stars can be identified by their telltale chemistry
Technology
Why has El Salvador officially adopted bitcoin as its currency?
Life
Scorpions develop a sting in the tail before they are ready to use it
Life
Why are orcas ‘attacking’ fishing boats off the coast of Gibraltar?
Life
Sea fireflies adapted their threatening glow to attract mates
Space
Black holes just got much more complicated thanks to quantum pressure
Technology
Almost no one encrypts their emails because it is too much of a hassle
Life
Half-metre-long predator was giant of the seas 500 million years ago
Environment
Rare kakapo parrot is genetically healthy despite being very inbred
Technology
Wooden robot arm is powered by plastic muscles
Life
Polar bears in Svalbard archipelago are inbreeding due to sea ice loss
Life
Tooth decay has been a problem for primates for 54 million years
Health
mRNA cancer therapy now in human trials after shrinking mouse tumours
Life
Foam from frogs’ nests could help make bandages that release drugs
Analysis
Features
Environment
Younger generations are the most fatalistic about climate change
Older generations are wrongly accused of caring less about the climate than younger people, according to a new survey. Just one in five Baby Boomers say there is no point in changing their behaviour to tackle climate change, compared with a third of Generation Z
Health
Generation Covid: What the pandemic means for young people’s futures
Humans
The microbial gunk that hardens on teeth is revealing our deep past
Technology
We’ve mastered acoustic levitation – and it is surprisingly useful
Culture
Humans
The Story of Looking review: A new film examines the visual world
Mark Cousins takes a personal look at how what we see shapes us. It may just make you reconsider how you view things
Don’t miss: The Climate Coup looks at the finance of climate change
Humans
Index, a history of the: Exploring the rivalries in how we search
Humans
Karmalink review: An intriguing mix of Buddhism and nanotech
More
Help create a global map of light pollution by gazing at the night sky
¿ìè¶ÌÊÓÆµs are tracking light pollution and its effects globally by gazing at the night sky – and now the Globe at Night project needs your help
Twisteddoodles takes a stand on lab-based humour
Tom Gauld on an incomplete theory of everything
Regulars
The pick of the strange science that won Ig Nobel prizes this year
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more