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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.

Chemistry

Sun-powered device extracts lithium without wrecking the environment

An experimental new method for extracting lithium from brine and even seawater promises to be more sustainable than existing methods

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A close up of someone holding a cup of green tea with foam art

Mind

L-theanine: Can a compound in tea lower anxiety and help you focus?

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Technology

Liquid crystal lenses could make better bifocal glasses

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Physics

We could spot a new type of black hole thanks to a mirror-wobbling AI

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Health

A single dose of LSD seems to reduce anxiety

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Life

Early penguins may have used dagger-like beaks to skewer prey

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Environment

Why solar power is the only viable power source in the long run

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Life

Plant-based dog foods provide almost all the nutrients pets need

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Health

Smartphone scrolling on the toilet could increase risk of haemorrhoids

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GLETSCH, SWITZERLAND - AUGUST 21: In this aerial view a glaciology team from the Swiss Federal Institute of Technology in Zurich (ETH) releases a pink dye into a rivulet of meltwater that descends into a hole on the Rhone Glacier as a visual aid to measure the water's rate of flow during data collection on August 21, 2025 near Gletsch, Switzerland. The scientific team of researchers and students is measuring a variety of the glacier???s properties, including its mass loss and surface reflectivity, ice flow, ice thickness, hydrological characteristics and the size and deformation of crevasses. The Rhone Glacier, among Switzerland???s largest, is likely facing another withering year following record breaking temperatures across Europe in June and overall low levels of snowfall. The European Alps have warmed twice as much as the global average, disproportionately affecting their glaciers and leading to a sharp acceleration of ice loss over recent decades. (Photo by Sean Gallup/Getty Images)

See the Rhône glacier’s melting water turned pink

The Swiss glacier, which has lost 60 per cent of its volume since 1850, had its meltwater dyed pink by researchers so that they could better monitor its rate of flow

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Technology

3D-printing could make it easier to make large quantum computers

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Environment

We may have 10 times less carbon storage capacity than we thought

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Life

Queen ant makes males of another species for daughters to mate with

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Mind

First map of mammal brain activity may have shown intuition in action

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