Health
Party drugs are here to stay, but they don't have to be killers
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This week's magazine
Table of contents
Leaders
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Life
Some scorpions can hiss by rubbing themselves with ‘sandpaper’
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Humans
People with big brains have a different brain structure too
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Humans
The dreams you forget are the most important for learning
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Space
Methane ice and winds on Pluto make strange 'sand' dunes
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Physics
Bent bird feathers repair themselves when soaked in water
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Humans
The gene that led to the human intelligence boom has been found
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Technology
Can an app tell if you have dementia years before your doctor?
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Vultures that feed on rubbish dumps are making themselves sick
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Health
We’re beginning to understand how some people can control HIV
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Space
Ripples in Saturn’s rings unravel mystery of how fast it spins
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Space
Ultrahot planets bust up molecules then rebuild them into clouds
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Technology
Anti-swearing AI takes the edge off abuse on Reddit and Twitter
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Earth
Guatemala volcano kills 75 as ash buries entire villages
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Humans
Mystery of why Stone Age villagers spent so much time underwater
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Health
Woman survives metastatic breast cancer thanks to new treatment
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Physics
Quantum computers are weirder and more powerful than we thought
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Space
A day used to be less than 19 hours long 1.4 billion years ago
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Space
Two meteors in two days lit up the sky in China and Botswana
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Technology
Apple's new app is designed to help you use their tech less
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Deadly Nipah outbreak seems to have been contained in India
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