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KR6XGE Close up of a selection of colourful butterflies and beetles in a display case at a museum.

Life

Defining what constitutes a 'new' species isn't straightforward

Even at this time of rapid extinction, there are many species to be discovered, but we need to take care over what we mean when referring to "new species", says Penny Sarchet

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Technology

Stop calling it social media - these firms don't care what we want

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Woman is standing on bathroom scales with happy smiling face on display, over colored background, top view of feet. Weight measurement and control. Concept of healthy lifestyle, dieting and fitness

Health

Weight loss advice isn't based on good evidence

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Chanda Prescod-Weinstein speaks at SESSION 5 at TED2022: A New Era. April 10-14, 2022, Vancouver, BC, Canada. Photo: Gilberto Tadday / TED

Humans

How I gave a TED talk on dark matter

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R1XNWN Rooftop gardens on modern office buildings in downtown Vancouver, BC, Canada

Humans

Why I love the proliferation of green roofs and living walls

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Technology

What hackers get up to when left on an island in the Pacific

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Villarrica lake, Chile in the summer. It is possible to see the lake, the flag of Chile. Sunny day, mountains in the background. Latin America, South America. Volcano, travel.; Shutterstock ID 1967684629; purchase_order: -; job: -; client: -; other: -

Environment

Will Chile's new constitution make it the first truly green state?

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Space

Why general relativity is known as a background independent theory

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Humans

My quest for an eco-friendly green lawn

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Humans

Mistakenly calling AIs 'sentient' is more dangerous than we think

A Google engineer recently claimed an AI was alive and that it had hired a lawyer. If judges were to accept these claims, it could lead to AIs being frozen in their biased states, writes Annalee Newitz

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Environment

Cumbria coal mine should be a no go for new levelling up secretary

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Physics

What does it mean when we say that space-time is expanding?

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Society

We should celebrate the diversity and knowledge of farmers' markets

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Society

Digging into the return of an 80-year-old meme, the turbo-encabulator

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