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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.

UCLA students, researchers and demonstrators rally during a "Kill the Cuts" protest against the Trump administration's funding cuts on research, health and higher education at the University of California Los Angeles (UCLA) in Los Angeles on April 8, 2025. (Photo by Robyn Beck / AFP) (Photo by ROBYN BECK/AFP via Getty Images)

Society

Is the future of education outside universities?

New technologies and academic funding cuts are upending the ways we learn today. Newly enrolled student Annalee Newitz finds some silver linings

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GEGPJC XX Chromosome concept. Female Heterogametic Sex. 3d illustration.

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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UNITED STATES - MAY 9: An inverted image of the U.S. Capitol is reflected in puddle on the East Front on Tuesday, May 9, 2023. (Tom Williams/CQ-Roll Call, Inc via Getty Images)

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The Trump administration is playing peekaboo with reality

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Physics

The fascinating story of the ultimate cosmic law

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Space

Sorry, but interstellar visitor 3I/ATLAS really is a comet, not aliens

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CMB-S4 will use telescopes installed at the South Pole to measure variations in the temperature and polarization of microwave light across most of the sky to probe for ripples in space-time. Shown here is the South Pole Telescope. Photo: Brad Benson, University of Chicago, Fermilab

Space

The end of US support for the CMB-S4 telescope is devastating

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Earth (focus on Europe) represented by little dots, binary code and lines - big data, global business, cryptocurrency 3D render

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Owning our own data is the only way to stop enshittifcation

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Environment

Tough choices lie ahead when it comes to climate change adaptation

COP's negotiations this month will focus on money for climate change adaptation. While more money is essential, even a big increase won't be enough on its own and we need to face up to this, warns Susannah Fisher

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Mathematics

Why zero is the most important number in all of mathematics

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Mind

Horror fans aren’t cold and unfeeling – just listen to the science

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Society

Could a self-monitoring system for criminals replace prisons one day?

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Environment

Billionaires must not be allowed to geoengineer the planet

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