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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 91av journalists and world-leading researchers and thinkers.

Mathematics

The maths meme that has been distracting mathematicians for a century

A seemingly simple set of rules kicks off a kind of mathematical magic trick, which has kept great minds busy since the 1930s. Columnist Jacob Aron explores the origins of the Collatz conjecture, why it is so addictive to mathematicians and whether AI could help us solve it once and for all

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A purple brain hovers at the center of the composition, encircled by glowing, branching neurons that suggest connectivity, synaptic activity, and cognitive networks. The defocused binary background evokes digital information, data flow, and the intersection of biological intelligence with computational systems. This conceptual imagery symbolizes the fusion of neuroscience and technology, highlighting themes of neural communication, artificial intelligence, and the complexity of thought processes. The vibrant purple tones and luminous neural structures convey energy, insight, and the intricate, dynamic nature of cognition in both natural and digital contexts.

Technology

Superintelligent machines may well need us after all

Leader

Space

How the electromagnetic spectrum opened our eyes to the universe

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Health

Do turmeric and curcumin have any actual health benefits?

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Technology

Q-Day could destroy bitcoin – and our retirement savings

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2JKWR5N The nucleus cells would come from the association of several bacteria.

Life

Capitalism has warped our understanding of ecology and life’s origins

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Health

Will lab-grown sperm let infertile men have children of their own?

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Mind

Why your brain needs plenty of “Aha!” moments

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Health

How ageing on Earth mimics the effects of space travel

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CT42A4 POLYCYSTIC OVARY SYNDROME

Life

PMOS shows us why many scientific terms need to be renamed

Like covid-19 and mpox before it, the decision to relabel PCOS as polyendocrine metabolic ovarian syndrome is a welcome one – and reveals why a name is never just a name

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Technology

The future of robot armies is here – and it’s not what you think

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Health

The 3 things you need to know about protein, according to an expert

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Space

The hidden pockets of the universe where the future can cause the past

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Mind

Where do you think your ‘self’ is? Your answer is revealing

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