This week's magazine
12 February 2022
Issue 3373
On the cover
Editor's picks
Environment
The end of waste: The grand plan to build a truly circular economy
Physics
Alex Keshavarzi interview: How muons could reveal exotic new physics
Environment
Janez Poto膷nik interview: How a circular economy can help us go green
Environment
Six graphics that reveal what materials we consume 鈥 and what we waste
Environment
How to cut material use in buildings, clothes, electronics and plastic
Table of contents
快猫短视频
Environment
Thin glaciers suggest Andes faces ‘peak water’ sooner than thought
A new global analysis suggests glaciers in the Andes contain less ice than we thought 鈥 but the glaciers of the Himalayas are thicker
Space
Biggest comet from outer solar system ever seen is 137 kilometres wide
Technology
El Salvador revamps bitcoin wallet after complaints of theft and fraud
Health
Spinal implants let three people who were paralysed walk with support
Environment
Dog waste may harm nature reserve biodiversity by fertilising the soil
Life
Chimpanzees spotted apparently using insects to treat their wounds
Technology
DeepMind has made software-writing AI that rivals average human coder
Environment
England鈥檚 gas boiler ban for new homes should begin next year, say MPs
Health
Anxious and neurotic personality traits linked to ASMR sensations
Environment
Algal blooms in freshwater lakes are becoming more common worldwide
Technology
Privacy policies are four times as long as they were 25 years ago
Health
鈥榁B鈥 is a new and more infectious variant of HIV 鈥 but it is treatable
Life
Learning styles in fruit flies may not be related to nature or nurture
Space
First truly isolated black hole detected in interstellar space
Humans
Japanese and English language folk songs evolved in the same way
Health
Covid-19 death figures reveal huge ongoing impact on minority groups
Health
Are genetically modified pig organs the future of transplants?
Space
Mars may have been habitable millions of years later than we thought
Environment
Hong Kong鈥檚 car pollution sensors help it clean its air in world first
Technology
Flying robot generates as much power as a flapping insect
Technology
Medical dressing works like duct tape to seal internal wounds
Health
Cheap blood test detects lung cancer at an early and treatable stage
Physics
Quantum friction explains strange way water flows through nanotubes
Analysis
Features
Environment
The end of waste: The grand plan to build a truly circular economy
We hack almost 100 billion tonnes of stuff from Earth鈥檚 surface every year, and most of it goes to waste. Changing that means a complete overhaul of how we live
Environment
How to cut material use in buildings, clothes, electronics and plastic
Environment
Six graphics that reveal what materials we consume 鈥 and what we waste
Environment
Janez Poto膷nik interview: How a circular economy can help us go green
Physics
Alex Keshavarzi interview: How muons could reveal exotic new physics
Culture
Humans
Tickets for the Ark: Which species should we save from extinction?
A new book by ecologist Rebecca Nesbit argues that it鈥檚 time to stop being romantic about nature and make some rational decisions about what to save
Humans
The Fear Index review: A psychological thriller with a dash of AI
Humans
Don鈥檛 miss: the return of Space Force, Netflix鈥檚 moon-shot comedy
Humans
Mickey7 review: If you want to live forever, read the small print
More
Life
Identify local wildlife and aid research with the iNaturalist app
Capture photos of wild plants and animals, identify species you come across and contribute to biodiversity and conservation research, suggests Layal Liverpool
Twisteddoodles: Arrows of love versus placebo arrows
Tom Gauld reveals cats’ secret powers of mind control
Regulars
Humans
Who wore it better? How masks can make you more attractive, or less
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more