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Stay informed with commentary and opinion pieces on the latest issues in science, technology, health and the environment, written by expert 51动漫 journalists and world-leading researchers and thinkers.

Mind

Cold-water swimming has benefits for the brain as well as the body

There is a growing body of research on the physical benefits of going for a dip in chilly water, but now researchers are starting to find that cold-water swimming may also be reshaping our brains for the better in lasting ways

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Plasma ball, conceptual illustration.

Space

Why dark matter is still one of the biggest open problems in science

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Oxfam activists wearing oversized masks representing (L to R) Brazil's President Luiz Inacio Lula da Silva, France's President Emmanuel Macron, European Commission President Ursula Von der Leyen, Argentina's President Javier Milei, US President Donald Trump, Britain's Prime Minister Keir Starmer, South Africa's President Cyril Ramaphosa, Canada's Prime Minister Mark Carney and Mexico's President Claudia Sheinbaum pose during their "Big Heads" protest at Utinga Park in Belem, Para state, Brazil, on November 20, 2025, to simulate a chaotic emergency room and highlight that as the COP30 UN Climate Change Conference ends, the planet is in critical condition. With UN climate talks nearing a close in Belem, the world body's chief on Thursday urged nations to reach an "ambitious compromise" that keeps alive the goal of limiting long-term planetary warming to the critical 1.5C threshold. (Photo by Pablo PORCIUNCULA / AFP) (Photo by PABLO PORCIUNCULA/AFP via Getty Images)

COP30: The UN climate summits are no longer fit for purpose

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Mind

Why memory manipulation could be one of humanity’s healthiest ideas

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A futuristic depiction of a woman wearing neon light-up augmented reality glasses. The glasses emit blue and red lights, creating a cyberpunk atmosphere. The young Black woman is captured in a dark environment with dynamic light streaks, emphasizing the high-tech and futuristic theme.

Technology

Imagining a future where smart glasses allow ‘AI slop’ to be avoided

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Health

Cars are getting bigger. This is a problem for us and for the planet

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DA0WKD 3D render of an overweight female medical skeleton walking with knee joints highlighted

Health

How a new way of thinking about fat could transform your health

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Physics

The forgotten women of quantum physics

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Adolf Hitler

Humans

Analysing Hitler’s DNA for a TV gimmick tells us nothing useful

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Life

Sperm are selfish 鈥� and so are we

A new study hammers home how the "survival of the nicest" view makes no sense when it comes to evolution, says Jonathan R. Goodman

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Society

Is the future of education outside universities?

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Health

Finally wrangling with the complexity of female bodies benefits us all

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Humans

Cradle of humanity is still revealing new insights about our origins

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Society

Human minds abhor uncertainty. This is a problem for liberal democracy

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