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A second big bang? The radical idea rewriting dark matter’s origins

Physics

A second big bang? The radical idea rewriting dark matter’s origins

The enduring mystery of dark matter has led some physicists to propose that it was forged in a distinct moment of cosmic creation, potentially transforming our view of the early universe

Features

Orca and fishing boats in the Straits of Gibraltar, Europe

Life

Orcas sink another sailboat as a bewildering wave of attacks continues

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Environment

Ocean heat could supply essentially endless clean energy to islands

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gas pipeline

Environment

Hydrogen is a green fuel despite small warming effect from pipe leaks

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Space

Mouse embryos have been grown in space for the first time

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2FM0KRW Aerial of heat sink type modern housing estate with private roads Kellyville Western Sydney Australia.

Environment

What South Australia can teach the world about cutting carbon fast

Leader

Environment

Can we get limitless green hydrogen by splitting seawater?

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Australia, Northern Territory, Hermannsburg, Solar Power Generating Station in Outback

Environment

How countries can go fossil fuel free with wind and solar superpowers

Features

Hundreds of pro-cannabis demonstrators march in New York City

Society

Legalising marijuana hasn't been the quick fix the US hoped for

Comment

Technology

Energy-guzzling data centres could work just as well with less cooling

Data centres consume a huge amount of energy, but researchers have found a simple fix - let the servers run much hotter than they do currently

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Technology

Tiny generator uses the motion of molecules to produce electricity

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Technology

Should we be worried about AI's growing energy use?

Analysis

Environment

Global power sector has almost hit peak greenhouse gas emissions

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Environment

Why China's clean energy tech will determine our climate future

Insight