Health
A variety of CBD health products are in the shops - do they work?
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This week's magazine
On the cover
Editor's picks
Our obsession with perfection is damaging individuals and society
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Space
What if there was no big bang and we live in an ever-cycling universe?
Features
Life
How killer bees evolved into chiller bees in just one decade
Features
Mind
The misunderstood personality trait that is causing anxiety and stress
Features
Table of contents
Leaders
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Life
Staring down seagulls can stop them stealing your chips
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Life
World’s largest parrot was a metre tall and lived 19 million years ago
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Space
Enormous ‘cannonballs’ of plasma spotted hurtling around the sun
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Space
We just found dozens of missing galaxies from the early universe
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Environment
Snowglow can cause the night sky to be twice as bright as a full moon
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Earth
Earth's magnetic poles probably won't flip within our lifetime
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Environment
UN warns most plans for limiting climate change would wreck the planet
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Space
Mysterious signals from space could teach us how dark energy works
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Technology
The NHS is setting up a lab for medical artificial intelligence
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Life
Sharks use a special kind of protein to glow green in deep water
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Technology
AI learns to predict the outcomes of human rights court cases
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Life
World’s largest frog builds its own ponds using heavy rocks
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Technology
A company has used trees to find gold deep underground in Australia
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Life
Deep-sea microbe could answer one of evolution's biggest mysteries
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Technology
Hackers could use Wi-Fi to install ransomware on DSLR cameras
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Space
Milky Way's black hole has got 75 times brighter and we don't know why
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Technology
Google's hate speech-detecting AI appears to be racially biased
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Health
Ibuprofen and other common drugs may help antibiotic resistance spread
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Health
Chlamydia vaccine shown to be safe in first ever human trial
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Physics
No sign radiation from a missile explosion has spread beyond Russia
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Health
Ebola breakthrough: two drugs could treat up to 90 per cent of cases
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Health
Sperm sorting method could prevent girls being born, scientists warn
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