This week's magazine
10 August 2019
Issue 3242
On the cover
Editor's picks
Even if bacteria do cause heart disease, diet and exercise are vital
Health
Have we found the true cause of diabetes, stroke and Alzheimer’s?
Physics
Inside the race to find the first billion-digit prime number
Technology
Outshining fossil fuel: Your guide to the revolution in solar energy
Table of contents
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Technology
Artificial tongue could taste whisky to make sure it isn’t counterfeit
An artificial tongue can taste subtle differences between drams of whisky and could one day help tackle the counterfeit alcohol trade
Environment
Space agency chief fired after revealing recent Amazon deforestation
Environment
Hottest day records set across Europe this year will soon be broken
Space
LightSail 2 has used sunlight alone to steer around Earth
Technology
Most people would rather lose their job to a robot than another human
Physics
New type of pipe for pumping blood is just liquid with no pipe
Physics
Physicists who came up with supergravity win $3m Breakthrough Prize
Environment
Wasps are shrinking in size and it may be because of climate change
Space
We could use Earth’s atmosphere as a giant lens for a space telescope
Technology
UK navy will use AI-guided robot submarines to find explosive mines
Life
Bees’ very hairy tongues help them mop up different types of nectar
Health
Cell injections could train the body to accept a transplanted organ
Environment
James Lovelock at 100: Ecclectic conference considers Gaia’s future
Health
Folic acid seems to be essential for fathers-to-be as well as mothers
Life
Birds can thank attractive dinosaurs for their flight feathers
Space
We spotted a star moving so fast it will enter intergalactic space
Technology
Yellow glasses don’t help night drivers spot dangers any faster
Life
Turtle embryos may control their sex by moving inside their eggs
Humans
Humans are good at smelling cheese thanks to special smell receptors
Physics
A super-thin slice of wood can be used to turn saltwater drinkable
Health
London’s public spaces are rife with multidrug-resistant bacteria
Technology
Cockroach robot won’t break after being repeatedly stamped on
Analysis
Environment
The world’s ageing dams are not built for ever more extreme weather
A town in the UK has been evacuated after extreme rains eroded a dam’s spillway. It is just one of many ageing dams worldwide not designed for increasingly extreme weather
Health
It’s too soon to tell if DeepMind’s medical AI will save any lives
Environment
Your guide to the carbon sucking tech we need to save the planet
Comment
IVF add-ons are a waste of money – fertility clinics should ban them
Physics
How the coolest, smallest stars could help us discover new exoplanets
Features
Technology
Outshining fossil fuel: Your guide to the revolution in solar energy
Solar power is getting so cheap it is overtaking fossil fuels – and that’s without next-generation photovoltaic technology and artificial photosynthesis
Physics
Inside the race to find the first billion-digit prime number
Health
Have we found the true cause of diabetes, stroke and Alzheimer’s?
Culture
Space
UK’s biggest moon exhibition captures centuries of lunar love
From Japanese painting of the harvest moon to Buzz Aldrin's "Snoopy cap", the UK's biggest moon exhibition at London's National Maritime Museum is bound to please
Life
Mosquitoes may have killed half the people who ever lived
Mind
Don’t Miss: FBI profiling, blanket-bog art and psychedelic minds
Technology
The real history of electricity is more gripping than The Current War
More
Technology
Why genetically modified ‘golden rice’ failed to conquer the world
20 years ago, genetically engineered rice with its increased nutritional content seemed a sure-fire win – but that reckoned without implacable critics
Technology
How to build your own intruder alarm with basic electronics
Liana Finck cartoon
Technology
The hardest thing about robots? Teaching them to cope with us
Regulars
How many Boris Johnsons does a Saturn V rocket weigh?
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