91av

News

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.

Physics

Physicists reveal the secret to chopping onions without crying

Slicing an onion releases tear-inducing chemicals into the air, but the sharpness of the knife and the speed of the cut can affect how these droplets are expelled

News

Humans

What the complete ape genome is revealing about the earliest humans

News

Environment

Promises to improve nature are being broken by English house builders

News

Environment

China’s CO2 emissions have started falling – is this finally the peak?

News

Health

Norovirus vaccine pill protects against winter vomiting bug

News
A female frog of the species Ranitomeya aetherea

Life

Exquisite new-to-science frog species has golden legs and odd habits

News

Environment

Are democratic countries like the UK just climate hypocrites?

News
WOODHEAD, DERBYSHIRE - MAY 11: An aerial view of Woodhead Reservoir amid low water levels on May 11, 2025 in Derby, England. United Utilities, a water utility in north-west England, warned customers to consume less water as they announced that regional reservoirs were at 69% capacity. Last year at this time, reservoirs were at 90%. The utility said there was a "medium risk" of drought, but presently there were no plans for a hose-pipe ban. (Photo by Ryan Jenkinson/Getty Images)

Environment

See how the driest early spring in 69 years has parched a UK reservoir

News

Space

One half of the moon is hotter than the other

News
Reconstruction painting of the track maker Credit: Marcin Ambrozik

Life

Fossil tracks rewrite history of animals leaving water to live on land

The footprints of a reptile-like creature appear to have been laid down around 356 million years ago, pushing back the earliest known instance of animals emerging from the water to live on land

News

Environment

Earth is heading for a second year above 1.5°C climate goal

News

Chemistry

Chemists discover ‘anti-spice’ that could make chilli peppers less hot

News

Health

Smart device can measure how much milk breastfed babies really drink

News
Technology

The Titanic’s twin: Digitally exploring the famous shipwreck

Video