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Editor's picks

Humans

We must regulate AI now to improve our lives and avoid its risks

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How changing the way you sit could add years to your life

Environment

The secret power of the tequila plant that could help feed the world

Physics

Max Tegmark interview: “AI can be the best thing ever for humanity”

Table of contents

Leaders

Humans

We must regulate AI now to improve our lives and avoid its risks

The potential rewards 鈥� and threats 鈥� of artificial intelligence are unprecedented, but it is urgent that we regulate it if we want AI to be a tool for good, not evil

News

Ambulance crews treat a patient with possible COVID-19 symptoms

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A bad UK winter could cause 120,000 hospital deaths linked to covid-19

The UK has three months to avoid a potential second wave of infections in the winter that could lead to 120,000 hospital deaths, finds a report requested by the government鈥檚 chief scientific adviser

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How South American drug cartels get around coronavirus lockdowns

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How the covid-19 pandemic is making malaria and HIV more deadly

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Why are US coronavirus deaths going down as covid-19 cases soar?

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How children in the UK are coping with the coronavirus lockdown

Technology

Teaching an AI to be less biased doesn鈥檛 have to make it less accurate

Environment

European bison to be introduced in the UK for first time outside zoos

Technology

Pliers smaller than an ant鈥檚 jaws are controlled by optical fibres

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Damaged human lungs revived for transplant by connecting them to a pig

Space

Alien civilisations could move their star to avoid a cosmic disaster

Environment

Almost all lemur species are now officially endangered

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Sperm swim up to 70 per cent faster when they have a lazy tail

Space

The moon may have stopped the early Earth from being a frozen snowball

Environment

A sprinkle of rock dust could help avoid catastrophic climate change

Humans

Polynesians and Native Americans met 800 years ago after epic voyage

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The powerhouses inside cells have been gene-edited for the first time

Analysis

Space

Elements from the universe鈥檚 earliest stars gave birth to our sun

It is easy to regard the sun as humdrum, yet it contains elements blasted from the universe鈥檚 first stars as they died and is halfway through its 9-billion-year lifespan

Aperture

Environment

Ghostly clouds are appearing more often due to climate change

Noctilucent clouds, silvery blue wisps that float high in our atmosphere, are a rare phenomenon 鈥� but rising greenhouse gas emissions mean we are seeing more and more of them

Features

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How changing the way you sit could add years to your life

Our bodies evolved to take rest breaks, but sitting on chairs and couches can cause long-term damage. Here鈥檚 how to change the way you sit and boost your health

Physics

Max Tegmark interview: “AI can be the best thing ever for humanity”

Environment

The secret power of the tequila plant that could help feed the world

Culture

Humans

Alice Ball pioneered leprosy treatment and then had her work stolen

Short film The Ball Method tells the story of Alice Ball. She helped develop an effective treatment for leprosy, then a senior colleague claimed her work as his own giving her no credit

Humans

Don’t miss: Netflix updates classic sci-fi novel Japan Sinks

Technology

The Last of Us Part II review: Grim revenge with a glimmer of hope

More

Tom Gauld on dropping a bowling ball out of a balloon for science

Tom Gauld's weekly cartoon

Twisteddoodles on graphs that speak for themselves

Regulars

We may have finally settled just how far penguins can poop

Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more

This Week鈥檚 Letters

This week鈥檚 new questions

How do chameleons change colour?

Does magnetism decay over time?

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