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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.

Humans

Leprosy was in the Americas long before the arrival of Europeans

The history books say Europeans brought leprosy to the Americas, but analysis of ancient DNA reveals that a form of the disease was present in Argentina and Canada much earlier

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Aerial view of Amsterdam in the Netherlands
Environment

How will Amsterdam become a fully circular economy by 2050?

Video

Space

Will SpaceX’s Starship rocket ever work – and what if it doesn’t?

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Space

Amazing images reveal new details in the sun’s atmosphere

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Technology

Qubit breakthrough could make it easier to build quantum computers

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Humans

Before the Great Wall, Chinese rulers built a shallow ditch

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Humans

We’re about to unlock the secrets of ancient human brains

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Environment

Massive glacier collapse triggers landslide that buries Swiss village

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White Tower in village of Mulegns

Technology

See the world’s tallest 3D-printed tower

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Physics

Do we have free will? Quantum experiments may soon reveal the answer

Whether or not we have partial free will could soon be resolved by experiments in quantum physics, with potential consequences for everything from religion to quantum computers

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Life

Fossils show puzzling lack of evolution during last ice age peak

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Mathematics

You can make fair dice from any shape you like

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Life

We’re getting close to recreating the first step in evolution of life

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Environment

The world could experience a year above 2°C of warming by 2029

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