This week's magazine
23 March 2024
Issue 3483
On the cover
Editor's picks
Table of contents
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Space
Starship launch: Third flight reaches space but is lost on re-entry
The world’s most powerful rocket, Starship, launched from Texas and reached an altitude of more than 230 kilometres, travelling further and faster than it has done before. But it seems to have been destroyed on re-entry into Earth’s atmosphere
Environment
There are growing fears of an alarming shift in Antarctic sea ice
Physics
Rethinking space and time could let us do away with dark matter
Technology
Nvidia’s Blackwell AI ‘superchip’ is the most powerful yet
Environment
Extreme heat could trigger the worst global financial crisis ever seen
Health
Intermittent fasting linked to a higher risk of heart disease death
Humans
Mammoth carcass was scavenged by ancient humans and sabre-toothed cats
Mathematics
Mathematicians plan computer proof of Fermat’s last theorem
Technology
Miniature furniture 3D printed using ink made from recycled wood
Chemistry
Gold flecks make super-transparent glass fully opaque from one side
Health
Mental health conditions may accelerate ageing by damaging RNA
Space
Europa’s seafloor may be impenetrable and inhospitable to life
Space
A single meteorite smashed into Mars and created 2 billion craters
Life
Plant-killing genetic technology could wipe out superweeds
Life
Chimp mothers play with their youngsters even when times are tough
Health
Alzheimer’s may be caused by a build-up of fat in brain cells
Environment
Methane leaks from US oil and gas are triple government estimates
Space
Sleeping black hole is way more massive than it should be
Health
Anti-inflammatory nasal spray may ease symptoms of multiple sclerosis
Environment
One in eight ski resorts worldwide could have no snow by 2100
Life
City moths may have evolved smaller wings due to light pollution
Analysis
Health
What do home faecal test kits really reveal about our gut microbiome?
Many firms sell direct-to-consumer faecal testing kits, but an investigation has revealed that scientists don't yet know what makes for a healthy gut microbiome
Environment
Should everyone start eating snakes to save the planet?
Health
Why our genetic code should remain off-limits to life insurers
Space
Is the truth out there? Yes, but it doesn’t involve aliens
Features
Physics
How to wrap your head around the most mind-bending theories of reality
From the many worlds interpretation to panpsychism, theories of reality often sound absurd. Here’s how you can figure out which ones to take seriously
Health
Nobel-winning biologist on the most promising ways to stop ageing
Earth
Why supersonic, diamond-spewing volcanoes might be coming back to life
Culture
Comment
Sunken Lands review: Heeding the flood warnings of history
From a fabled drowned kingdom in Wales to echoes of Noah's ark in the Mahabharata, warnings of hubris in abusing nature resonate in Gareth E. Rees's world tour of flood myths
Comment
Unlocked review: Why we don’t need to panic about our phones
Comment
¿ìè¶ÌÊÓÆµ recommends Castle of Joy, a harrowing, moving play
Comment
3 Body Problem review: Cixin Liu’s masterpiece arrives on Netflix
More
Mathematics
Try these mathematical magic tricks that are guaranteed to work
There are no rabbits pulled out of hats here – these tricks rely on mathematical principles and will never fail you, says Peter Rowlett
Tom Gauld on the Masked Botanist
Twisteddoodles on the best way to remember a person’s name
Regulars
Humans
People watch sports, have sex, make children, study finds
Feedback is intrigued by new research into how major sports tournaments "were associated with increases in the number of babies born" nine months later - but only for supporters of the winning teams