This week's magazine
23 January 2021
Issue 3318
On the cover
Editor's picks
Table of contents
News
Health
China and the US clash over mission to find source of the coronavirus
The World Health Organization has begun its investigation to try to determine the source of the coronavirus, but there have already been clashes between the US and China over access to people and evidence
Health
How worried should we be about the new coronavirus variants?
Health
Can coronavirus variants reinfect people and evade the vaccines?
Health
Global spread of UK coronavirus variant could overwhelm health systems
Health
How covid-19 could become as mild as a common cold
Health
Why vaccinating everyone on the planet may still not wipe out covid-19
Life
Water may be even more crucial to life than we thought
Space
NASA gives up trying to burrow under Mars surface with ‘mole’ probe
Environment
Embryos from the last two northern white rhinos set to be implanted
Technology
Superhuman sight may be possible with lens that makes UV light visible
Technology
Artificial intelligence could train your dog how to sit
Space
We may have found hints of gravitational waves permeating the universe
Life
Dinosaur found in Argentina may be largest land animal ever
Technology
Quantum internet signals beamed between drones a kilometre apart
Humans
World’s oldest painting of animals discovered in an Indonesian cave
Life
Houseflies have specialised wings that make them harder to swat
Lying men mimic the body language of other men they are talking to
Technology
Chemical that makes chilli peppers spicy boosts solar panel cells
Space
Most distant quasar may help us solve how enormous black holes form
Environment
Microplastics found across the Arctic may be fibres from laundry
Analysis
Health
We must start publishing ethnicity data for covid-19 vaccinations
The race to vaccinate as many people as possible against covid-19 is under way, but unless countries track who receives the vaccine we won’t be able to ensure the benefits are spread equitably, says Layal Liverpool
Technology
Silicon Valley needs to take responsibility for its political power
Features
Technology
We’re running out of lithium for batteries – can we use salt instead?
Lithium-ion batteries power the world, but with lithium running low, we desperately need a viable alternative. Here’s why common salt may be our best bet
Humans
Parental burnout is on the rise, says psychologist Moira Mikolajczak
Health
Genomic medicine is deeply biased towards white people
Culture
Humans
Diving Deep review: The amazing life of marine film-maker Mike deGruy
The late Mike deGruy filmed iconic underwater footage that wowed audiences, drawing the admiration of David Attenborough and James Cameron. A fond documentary by his wife reveals the real man
Environment
Inherited podcast finds hope in the dreams of young climate activists
Humans
Don’t Miss: Jane Goodall on why we should care about climate change
Humans
Remote Control review: Fusing Ghanaian stories with a sci-fi thriller
More
Cutting meat for Veganuary? Here’s how to get your protein from beans
Beans are a fabulous and tasty source of protein if you want to cut back on meat. But you need to know how to break down their structural polymers to get the best flavour
Twisteddoodles on modern ways to photosynthesise
Tom Gauld on which ideas to test first
Regulars
AI-powered hot pants that tickle you to better athletic performance
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more