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.

JEDTX5 Different sorts of salt

Health

There’s a simple solution to our salt addiction – we must adopt it now

Efforts to curb the amount of sodium we eat have mostly failed, so governments must now try a new strategy: adding potassium to table salt

News

Society

Race is a social construct, but racism can cause real biological harm

News

Space

Boeing launches first crewed Starliner mission to the ISS

News

Environment

Forests may grow more slowly than expected as CO2 levels rise

News

Health

Eczema may sometimes be caused by eating too much salt

News

Technology

Tiny brain sensor implanted without surgery dissolves after weeks

News

Environment

May 2024 is the twelfth month in a row to break heat records

News

Environment

Earth’s atmosphere is trapping twice as much heat as it did in 1993

News

Mathematics

Mathematicians can’t agree what ‘equals’ means, and that’s a problem

News

Space

An already dead star is dying for a second time

A pulsar, the spinning remnants of a star that blew up in a supernova, has been spotted rotating at a comparatively slow rate of once every 54 minutes. That means it may be about to cross the "death-line" - the first time we have seen one of these stars die a second death

News

Life

How bats pick out their own calls when flying in enormous swarms

News

Technology

Glasses coated in lithium could let us see in the dark

News

The neuroscience of memory

Video

Health

Gene therapy enables five children who were born deaf to hear

News