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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.

Health

Vanishing Y chromosomes could aid or worsen lung cancer outcomes

The health impacts of men losing their Y chromosome from their cells are increasingly coming to light, with the loss playing a complicated role in the most common form of lung cancer

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artwork of a section of the Kuiper Belt

Space

We’ve found an unexpected structure in the solar system’s Kuiper belt

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Technology

Mosquito proboscis repurposed as a fine nozzle for 3D printing

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Icebergs in the Arctic

Environment

Climate heating has reached even deepest parts of the Arctic Ocean

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TOPSHOT - This aerial view shows trucks carrying wood from a deforested area in the Amazon rainforest, in the municipality of Tome-Acu, located 181 kilometers away from the city of Belem, Para State, Brazil, on November 12, 2025, during the COP30 UN Climate Change Conference. (Photo by Mauro PIMENTEL / AFP) (Photo by MAURO PIMENTEL/AFP via Getty Images)

Deforestation in the Amazon continues during COP30

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Technology

Google’s Gemini 3 model keeps the AI hype train going – for now

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Technology

Quantum computers that recycle their qubits can limit errors

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Physics

Physics of light and magnetism rewritten after almost two centuries

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Humans

Kissing may have evolved in an ape ancestor 21 million years ago

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Humans

New Denisovan discovery could rewrite our family tree

An ancient skull has finally shown us what the Denisovans looked like. Now it turns out they, not Neanderthals, might be our closest relatives

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Society

Four-fifths of the world’s population now live in urban areas

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Mathematics

Mathematicians say Google’s AI tools are supercharging their research

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Environment

What is cloud seeding and could it end the drought in Iran?

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Humans

Vast Bronze Age city discovered in the plains of Kazakhstan

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