91av

Columnist

Tackling topics from the cutting edge of dark matter research to the latest developments in the tech world, explore the incisive opinions of 91av's expert columnists.
Beatriz Nascimento Afro-Brazilian academic and activist

Space

Two books to write and the universe to decipher – 2024’s gonna be busy

Chanda Prescod-Weinstein looks back over the past 12 months, and reveals some more details about the books she's currently working on

Comment

A tale of two Silicon Valley Sams – Bankman-Fried and Altman

Technology

A tale of two Silicon Valley Sams – Bankman-Fried and Altman

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Youth from Fridays for Future organization stage a protest calling to cease fires and end fossil fuels in the conference venue, Blue Zone during the COP28, UN Climate Change Conference, held by UNFCCC in Dubai Exhibition Center, United Arab Emirates on December 8, 2023. COP28, running from November 30 to December 12 focuses on particular nations' decarbonisation goals. The Conference in Dubai focuses also on the most vulnerable communities and Loss and Damage (Photo by Dominika Zarzycka/NurPhoto via Getty Images)

Environment

How 2023 saw the UK going backwards on climate issues

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TBTFJA star trail circle-space-night-sunset-blue

Physics

Why I've been somewhat obsessed with space-time this year

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Life

The battle to bring beavers back to Scotland

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Hand with smartphone, e-news concept. Casual young man using mobile app to read online newspaper; Shutterstock ID 688514581; purchase_order: -; job: -; client: -; other: -

Technology

Trust and safety – the most important tech job you’ve never heard of

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BFERM2 Bulldozer Spread Coal Mine Waste on Impoundment Dam

Environment

Could coal mining waste provide crucial elements for green tech?

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KPJYBX Illustration of a coronal mass ejection impacting the Earth?s atmosphere. These events, CMEs for short, are powerful releases of solar charged particl

Space

Why we need to bring stellar astrophysics into the real world

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CARDIFF, WALES - FEBRUARY 23: A teacher wearing a face mask teaches a child at Roath Park Primary School on February 23, 2021 in Cardiff, Wales. Children aged three to seven began a phased return to school on Monday. Wales' education minister Kirsty Williams has said more primary school children will be able to return to face-to-face learning from March 15 if coronavirus cases continue to fall. (Photo by Matthew Horwood/Getty Images)

Health

HEPA filters cut covid-19 sick days but we've been slow proving this

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2T17MYG Los Angeles, United States. 12th Oct, 2023. File photo dated October 06, 2019 of Jada Pinkett Smith and Will Smith attend Paramount Pictures' premiere of Gemini Man in Los Angeles, CA, USA. Jada Pinkett Smith has revealed in a new interview that she and her husband Will Smith have been separated since 2016. Though the actors were living completely separate lives for seven years, they were not ready to publicly confirm the news before, she confessed to NBC. Photo by Lionel Hahn/ABACAPRESS.COM Credit: Abaca Press/Alamy Live News

Society

Don't click on the war

Online celebrity culture, such as the saga of movie stars Will Smith and Jada Pinkett Smith, is the ultimate counterprogramming in a time of conflict, says Annalee Newitz

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Environment

Why I won't be buying sea-farmed salmon ever again

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Space

How the balloon analogy for an expanding universe is almost perfect

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Technology

We still don't really understand what large language models are

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Technology

How artificial intelligence is helping keep Indigenous languages alive

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