This week's magazine
10 December 2022
Issue 3416
On the cover
Editor's picks
Table of contents
快猫短视频
Environment
COP15 target to reverse biodiversity loss by 2030 is 鈥榰nrealistic鈥
Goal to 鈥渉alt and reverse鈥 biodiversity loss by 2030 鈥 a headline aim of the COP15 biodiversity summit 鈥 could take 80 rather than eight years to achieve, say conservationists
Humans
Homo naledi may have used fire to cook and navigate 230,000 years ago
Life
The 3013 neurons in the brain of a fly larva have been mapped in full
Space
Mars may have a huge plume of hot rocks rising towards its surface
Space
Ancient megatsunami on Mars traced to the crater where it began
Technology
Most people who threatened to quit Twitter for Mastodon haven’t left
Life
Ant pupae produce a nourishing liquid food for larvae and adults
Technology
Girl with a Pearl Earring and Mona Lisa recreated with nanotechnology
Space
JWST has taken pictures of clouds on Saturn鈥檚 moon Titan
Earth
Yellowstone supervolcano contains twice as much melted rock as thought
Life
Flying squirrels carve nuts to store them securely in tree branches
Health
Antibiotics encoded in Neanderthal DNA could help us fight infections
Health
Sperm-blocking vaginal gel could be a reliable contraceptive method
Environment
Mauna Loa eruption interrupts key record of atmospheric CO2
Life
Ancient bird with a movable beak rewrites the story of avian evolution
Health
Drug clears sleeping sickness parasite from the body in clinical trial
Physics
A quantum computer has simulated a wormhole for the first time
Health
An mRNA vaccine protects mice against deadly plague bacteria
Space
Star ripped up by black hole is one of the brightest things ever seen
Health
Alzheimer’s drug lecanemab slows cognitive decline but concerns linger
Environment
Microfibres that pollute the seas are floating homes for bacteria
Life
Critically endangered tiny gecko comes back from the brink
Analysis
Health
China’s failure to vaccinate makes giving up on zero covid a huge risk
Widespread protests against China's zero-covid policy have led the country to ease some restrictions, but its failure to vaccinate older people means this could lead to millions of deaths
Earth
Marine sciences must cast off an imperial legacy of ocean exploitation
Technology
Leaving Twitter? Here’s what other social media platforms offer
Features
Humans
Self-knowledge: How to know your true personality and why it matters
When it comes to knowing yourself, your own perception of your personality doesn鈥檛 necessarily align with that of people around you. But which is more accurate? And can discovering your true nature lead to a better life?
Space
What the world鈥檚 largest liquid mirror telescope means for astronomy
Earth
How did so many giant meat-eating dinosaurs co-exist in the Jurassic?
Culture
Humans
Homo Sapiens Rediscovered review: Hunting human origin stories
From a bone fragment of a mysterious new species to the latest on cave art, Paul Pettit's powerful new book shows how science is rewriting the past
Earth
The Volcano review: Heartbreaking documentary relives Whakaari tragedy
Humans
Don鈥檛 Miss: The way of water, first of four sequels to Avatar
Life
How Birds Evolve review: In-depth and passionate
More
Life
Learn the secrets of poinsettias to help them thrive
Shop-bought poinsettias produce a stunning display of crimson, and these tropical plants can be coaxed into an encore performance if you have the patience, says Clare Wilson
Tom Gauld on a near miss with aliens
Twisteddoodles on the weird appeal of a lab safety talk
Regulars
How to foster a toddler’s yen for engineering
Feedback explores the pedagogic possibilities of research into ball bearings, while also looking into why some presentations are improved by the inclusion of a sudoku