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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.

A game of World

Technology

Thousands of people apparently cheat at Wordle every day

The popular word-guessing game Wordle inspires large numbers of people to either cheat by looking up answers or to stubbornly stick with favourite starting words

News
Herbig-Haro 211

Space

JWST has taken an astonishing image of a baby star with powerful jets

News
Insect-size robot can crawl, turn and jump by triggering chemical explosions. Most robots are powered by electric motors and batteries which are tried-and-tested reliable technology but cannot be miniaturised past a certain point. Now Cameron Aubin and Robert Shepherd at Cornell University and colleagues have turned instead to chemical fuel - methane - which can store energy at much higher density than lithium-ion batteries and be scaled down to tiny insect-sized devices.

Technology

Watch a frog-like robot use tiny explosions to hop around

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A meeting of NASA's UAP study team

Earth

NASA’s UFO task force has released its final report – it’s not aliens

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Dead fish floating in a river in Maidenhead, UK, in June 2023, thought to have been killed by a lack of oxygen in the hot weather

Environment

Oxygen levels are dropping in rivers across the US and central Europe

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Health

MDMA therapy for PTSD expected to get US approval after latest trial

News
Two men look at a screen. One has a BCI that allows him to communicate via brain waves.
Mind

Brain implant lets people control devices using brain signals

Video

Physics

City-wide quantum communication network in China is most advanced yet

News
Anopheles gambiae mosquito

Life

Mosquitoes dodge efforts to swat them by surfing a wave of air

A combination of keen senses and quick reflexes may help mosquitoes avoid a sticky end by riding the pressure wave generated as a swatter sweeps through the air

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Health

Huge rise in US overdose deaths from fentanyl mixed with stimulants

News

Life

Frogs have been trying to mate with odd things for 220 million years

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Health

Moderna’s improved mRNA covid-19 vaccine is effective at lower doses

News

Environment

Humans use a quarter of all the biomass created by plants on land

News