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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.

Technology

AI chatbots tend to choose violence and nuclear strikes in wargames

As the US military begins integrating AI technology, simulated wargames show how chatbots behave unpredictably and risk nuclear escalation

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Health

Hormone changes during your period don’t affect cognitive skills

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Mathematics

Mathematicians have finally proved that Bach was a great composer

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The Chinese spy balloon that floated over Canada and the US in 2023 shortly before it was shot down over South Carolina

Technology

Armies of bots battled on Twitter over Chinese spy balloon incident

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Life

Some animal cells contain tiny tornadoes that mix up their contents

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The remains of a destroyed attacking drone in Ukraine in January 2024

Technology

Ukraine will spoof GPS across the country to stop Russian drones

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Health

Dance mat-style game helps stop older people falling

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Comment

The Future author Naomi Alderman: ‘We wake up terrified of the future’

Video

Environment

Marine animals may eat more plastic if it is biodegradable

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A floating solar power plant on the Cirata Reservoir, West Java in Indonesia

Environment

Floating solar power booms in South-East Asia as land becomes scarce

The rise of “floatovoltaics" could reduce pressure to build large solar farms on land, but some researchers are concerned about the impact on aquatic ecosystems

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Space

Starship launch: Next SpaceX flight test is expected this month

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Health

We now have a map of how pregnancy changes the way organs interact

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Chemistry

Light-sensitive molecules could make carbon capture more efficient

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Technology

Camouflage inspired by leaves can hide things in visible and infrared

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