This week's magazine
15 June 2019
Issue 3234
On the cover
Editor's picks
Health
Who should pay when medical drugs become too expensive to buy?
Health
How many steps a day do you really need? Spoiler: It isn’t 10,000
Life
Koalas burned in wildfires can now be saved but the treatment is gross
Space
Mission to Mars: The complete guide to getting to the Red Planet
Table of contents
快猫短视频
Environment
Humans have driven nearly 600 plant species to extinction since 1750s
Plants have been hard hit by human activity over the past 250 years, with Hawaii alone losing 79 species. Other extinction hotspots include Brazil and Australia
Space
NASA will let people pay to stay on the International Space Station
Life
Carnivorous pitcher plants are regularly eating vertebrate animals
Environment
Creating an AI can be five times worse for the planet than a car
Humans
Mystery hominin had sex with ancestors of Neanderthals and Denisovans
Health
3D-printed replica heads are being used to help treat cancer patients
Health
How your body processes food is only partially down to your genes
Health
A generic drug from Argentina offers cystic fibrosis families hope
Environment
Inside the audacious mission to map every microbe in Australia
Space
A weird star just rapidly dimmed for a few days and we don’t know why
Life
Some trees can change sex and are more likely to die when female
Space
Huge asteroid that hit the moon may be preserved below the surface
Life
Brainless fungi trade resources with plants like a stock market
Environment
Vital global climate monitoring scheme axed on remote UK island
Technology
Fake news generating AIs could be the best weapons to fight fake news
Physics
Bizarre pentaquark turns out to be a new kind of subatomic ‘molecule’
Life
52-million-year-old fossils suggest oak relatives evolved in the south
Humans
There’s a fundamental limit to the amount of energy our bodies can use
Life
Dragonfish have ‘invisible’ teeth to help them sneak up on their prey
Health
Oozing white mucus from giant salamanders makes excellent medical glue
Life
AI camera worn by gulls captures video highlights of their lives
Environment
Climate change may mean heavy rain falls in the early morning
Environment
Working Hypothesis: From Finland鈥檚 climate action to a rival Chernobyl
Analysis
Health
A drug may prevent Alzheimer鈥檚 but there are no plans to find out
A rheumatoid arthritis drug may also cut the risk of developing Alzheimer鈥檚, but there are no plans to conduct the trials needed to find out if it really works
Technology
Robotic surgery is turning out to be an expensive fad
Health
End the scandalous male data bias that determines women’s health
Physics
How Star Trek鈥檚 warp drives touch on one of physics’ biggest mysteries
Features
Health
How many steps a day do you really need? Spoiler: It isn’t 10,000
Forget 10,000 steps a day. Modern sports science and evolutionary biology now tell us how much exercise the human body really needs
Space
Mission to Mars: The complete guide to getting to the Red Planet
Life
Koalas burned in wildfires can now be saved but the treatment is gross
Culture
Mind
Fate vs free will: A new book clarifies the determinism debate
We're not wrong to think we have free will, but The Science of Fate by Hannah Critchlow reveals the moral complexities underpinning our sense of unlimited choice
Physics
Dark matter can’t be seen, so this gallery is making it sing
Technology
Don’t miss: Celebrity prisons, virtual thrills and a dive under Paris
Godzilla: King of the Monsters reveals our obsession with radiation
More
Humans
This Tank Man image from Tiananmen Square heralded a new digital age
"Tank Man" is an iconic image of how one man defied brutal state power at Tiananmen Square 30 years ago. It also marked the beginning of a new technological era
Technology
How to make a theremin with a light sensor
Liana Finck cartoon
Environment
Carbon farming scientist David Reay on repaying his emissions debt
Regulars
Feedback: What did big tech find when it looked inside a black hole?
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more