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Table of contents

Leaders

Health

Acknowledging odd coronavirus symptoms is vital to stopping its spread

Covid-19 can have long-lived symptoms including exhaustion, weight loss and rashes. Unless we officially recognise them, we can’t identify people who may have caught it or trace their contacts

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Life

Rising sea levels may have helped dinosaurs dominate the planet

Dinosaurs evolved in the Triassic period Vast floods caused by sea level rise may have helped dinosaurs take over the planet. The first dinosaurs evolved early in the Triassic period, about 245 million years ago, but these were rare. It took about another 20 million years before they came to dominate land ecosystems. Palaeontologists are …

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Humans

Stone Age ruling elite in Ireland may have had incestuous marriages

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Health

Monitoring of ticks in the US is patchy and underfunded

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Life

The first dinosaurs may have laid soft eggs without hard shells

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Life

Fossil cells with 'tails' may have been moving 3.4 billion years ago

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Space

Some hot giant planets get larger as they are heated by their stars

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Health

Should you pay for a coronavirus test? Here's what you need to know

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Health

Coronavirus poses grave threat to Amazon's indigenous communities

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Space

Electric dust could be erasing signs of life from the surface of Mars

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Health

Why New Zealand decided to go for full elimination of the coronavirus

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Health

England's contact-tracing efforts still plagued by problems

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Health

How the coronavirus kills people – and how to stop it

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Analysis

Humans

Black Lives Matter could also help fight environmental injustices

The Black Lives Matter movement is primarily about social justice, but it will tackle environmental injustices too, says Graham Lawton

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Humans

Minority scientists still face many forms of institutional racism

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Aperture

Life

Weird caterpillar uses its old heads to make an elaborate hat

Meet the mad hatterpillar, the invertebrate that keeps its old moulted heads attached to its body to make a beautifully bizarre headpiece

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Features

Mind

Consciousness isn't just the brain: The body shapes your sense of self

Electrical signals coming from your heart and other organs influence how you perceive the world, the decisions you take, your sense of who you are and consciousness itself.

Features

Health

Why strange and debilitating coronavirus symptoms can last for months

Features

Earth

Lightning is killing our forests – and it's only going to get worse

Features

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Culture

Technology

How to avoid a techno-apocalypse brought on by the internet

New stories by authors including Neal Stephenson, Rose Eveleth and Robert Harris imagine a techno-apocalypse precipitated by the internet. Some even hint at how we could dodge it

Culture

Technology

Disney is working on AI animatronics that interact with park guests

Culture

Humans

Don't Miss: Delve into the science of breathing

Culture

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More

Puzzle #65: How many children are as old as their fathers, reversed?

Can you solve this week's fiendish puzzle Father Figures? Plus the answer to puzzle #64

Regulars

Tom Gauld on how to make a decision using all of the information

Regulars

Twisteddoodles looks for the best way describe a scientific discovery

Regulars

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Regulars

Finally an attempt to stop the US president from nuking a hurricane

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

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Regulars

Letters

Regulars

The last word