This week's magazine
3 August 2019
Issue 3241
On the cover
Editor's picks
Water wars: How to avoid conflict over our most precious resource
Mind
Neuroscientist Ed Boyden is decoding the brain with the power of light
Technology
How to suck water from desert air and quench the planet’s thirst
Physics
Is reality real? How evolution blinds us to the truth about the world
Life
Undiscovered dinosaurs: We are entering the golden era of fossil finds
Table of contents
快猫短视频
Environment
Met Office confirms highest temperature ever recorded in the UK
The 38.7掳C recorded in Cambridge Botanic Garden on 25 July has now been confirmed to be the highest temperature ever recorded in the UK
Environment
China is on track to meet its climate change goals nine years early
Health
Exclusive: Can a supplement slow the natural processes of ageing?
Earth
Huge hidden canyon under Greenland ice sheet may have flowing water
Humans
Genetic analysis reveals Vikings had a wide and diverse family tree
Health
The human placenta may not have a microbiome after all
Technology
This self-riding bicycle follows you around while you walk
Health
Complaints about AncestryDNA and 23andme sent to UK data watchdog
Life
New monkey species found in Amazon area threatened by deforestation
Health
Bionic eye helps people who are blind read letters again
Life
Meet a 500-million-year old minibeast from the Cambrian explosion
Environment
The UK is now using AI to predict solar power and lower energy bills
Life
Some jellyfish sperm have stingers that fire inside females
Technology
Smartwatch app that soothes the nerves helps improve exam results
Space
Star hurtling around a giant black hole proves Einstein right – again
Environment
Tree stumps that should be dead can be kept alive by nearby trees
Life
Dark feathers give birds hot wings that may save energy during flight
Technology
Flexible battery works when stretched and could power wearable devices
Health
The brain’s drain: How our brains flush out their waste and toxins
Earth
Today’s global warming is unparalleled in the past 2000 years
Analysis
Technology
Countries are turning off the internet to stop violence. Does it work?
Governments are increasingly shutting down access to the internet in an effort to curb organised violence. But evidence shows it usually makes things worse
Technology
Facebook’s fact-checking process is too opaque to know if it’s working
Comment
Before building another telescope, learn from Hawaiian culture
Comment
To understand reality, we first need to find our place in it
Environment
Should we eat local to cut food miles, or does it make no difference?
Features
Physics
Is reality real? How evolution blinds us to the truth about the world
We assume our senses see reality as it is - but that could be just an evolved illusion obscuring the true workings of quantum theory and consciousness
Technology
How to suck water from desert air and quench the planet’s thirst
Mind
Neuroscientist Ed Boyden is decoding the brain with the power of light
Life
Undiscovered dinosaurs: We are entering the golden era of fossil finds
Culture
Comment
The global economy is broken, it must work for people, not vice versa
Three new books reveal the same picture: the global economy is shattered. They suggest how a more people-focused approach than capitalism might alleviate poverty and encourage jobs
Life
Don’t Miss: African origins, deadly mozzies and meeting of minds
Comment
What if you could erase your political opponents? Sci-fi has answers
More
Technology
How to build a motion-detector wildlife camera with an old smartphone
Make a motion-controlled wildlife camera with an old smartphone and find out what birds, bees, butterflies and badgers are visiting your garden
Liana Finck cartoon
Physics
Physicist Jim Al-Khalili on Leeds United, Einstein and quantum biology
Regulars
Should we be scared of meth gators and mutant crocodiles?
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more