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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.

A firefighting airplane operates to extinguish a wildfire on Salamina Island, Greece, 16 August 2026. Two people were killed in Peristeria as fires burned in the Peristeria and Selinia areas, prompting evacuations and a major firefighting operation. Coast guard and firefighting vessels were deployed in preparation for possible evacuations by sea.

Environment

Why the extremes of climate breakdown will continue to take us by surprise

The relentless heatwaves that have hit the northern hemisphere this summer have made the climate threat real for many – but preparation and adaptation will take us only so far

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Physics

Jim Al-Khalili: Everything you need to know about time

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Physics

Are you made of real-world quarks or virtual-world qubits?

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Health

Should we all be taking low doses of lithium to prevent Alzheimer’s?

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Physics

Einstein thought time dilation was both real and not – he was right

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Top view of assorted prescription pills and capsules in colorful blister packs. Pharmaceutical medication background representing healthcare, drug treatment, medical industry, overmedication and pharmacy concept.

Health

The healthcare industry isn’t built for coming off medication

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Environment

Why Europe could get colder as Earth gets hotter

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Health

Will muscle-boosting meds be the next big thing after GLP-1 drugs?

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Mind

How much water do you really need to drink to keep your brain sharp?

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Jeanne Calment

Health

How long could we possibly live? A new estimate is mind-boggling

Biogerontologists are exploring the upper limit for human life. A recent study has it verging on two centuries – but columnist Graham Lawton finds reason to be sceptical

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Mind

Suggesting that ADHD is a myth is pseudoscientific and dangerous

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Health

It is finally time to talk about the impact of fluctuating hormones

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Humans

The cave where Neanderthals met Homo sapiens

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Technology

Feeding our books into generative AI risks creating a cultural void

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