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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.

An infant holds a watering can in a greenhouse

Mind

How to nurture infant microbiomes for a lifetime of good mental health

The microbes that take hold in our bodies during early life have long-term effects on our brain health. Helen Thomson investigates how to get kids’ microbiomes off to the best start.

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Environment

Are biofuels a good idea? Only if you’re a farmer or shipping company

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Fingerprint Authentication Button. Biometric Security Background

Technology

Digital ID cards could be a disaster in the UK and beyond

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MARSEILLE, FRANCE - 2021/07/10: Protesters set a sphere representing Earth on fire during the demonstration. Members of the Extinction Rebellion group, supported by a few Yellow Vests (Gilets Jaunes in french), gathered in the Vieux-Port of Marseille to raise awareness on the dangers threatening the planet Earth. (Photo by Gerard Bottino/SOPA Images/LightRocket via Getty Images)

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We’ve hit a climate tipping point, but leaders seem unlikely to act

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Society

There is a major psychological flaw in how society punishes people

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Humans

Who were the first humans to reach the British Isles?

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Technology

What makes a quantum computer good?

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Health

Why not all ultra-processed foods are bad for you

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Crescent moon rise at dawn with passing passenger jet

Environment

How pie-in-the-sky conspiracies distract from climate dangers

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Mature female patient lying on table entering MRI machine in hospital setting. Medical professional in white coat standing nearby. Professionalism, precision, and modern health technology.; Shutterstock ID 2540873879; purchase_order: -; job: -; client: -; other:

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Commercial health tests promise peace of mind, but do they deliver?

Elective tests and whole-body health check-ups are increasingly popular among those who can afford them. But the practice isn't as risk-free as it might appear

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Space

Is the universe really one big black hole?

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Why abandoning psychedelic research in the 1970s was a blow to science

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Space

Why ‘beauty factories’ could solve two massive cosmological mysteries

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Trump’s unfounded health claims cast a long shadow

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