In Short

Prominent rules in online forums decrease harassment and rule-breaking, and increase participation.

Should there be a limit on how much testosterone a woman can have?

How quickly do biodegradable bags break down?

The largest ever genome-wide study of bipolar has found important new genetic links.

Farming was imported to Britain by migrants, not adopted by locals, according to new ancient DNA study.

Scientists learn how the foetal membrane works to prevent pre-term births.

AI is being used to predict the lifetime of batteries, saving time and money in battery development.

What is the Event Horizon Telescope revealing to us about black holes?

Renewable energy is more likely to help tackle climate change than capturing carbon dioxide from power plants.

An advanced camera captures an ancient star.

New wearable cancer blood-testing device plugs directly into patients’ veins to test continuously.

New results from the LHC reveal the structure of exotic particles called pentaquarks.

Breakthrough makes new catalyst technology possible...

Using the randomness of sprayed microparticles to prevent forgery

Sleep feels refreshing and we're groggy without it - but what actually causes it?

A holey piece of swiss-cheese plastic can do complex maths in a millionth of a second

Smart needle automatically detects and injects in the right place - now a reality!

US scientists have engineered into yeast the genes needed to make the key chemicals in cannabis.

Lab-grown meat: should we steak our future on it?

Stiffer cell walls and a diminished charge enable resistant bacteria to sidestep common antibiotics.

Grass species found to be stealing genes from neighbouring plants...

An experimental drug can prevent, and even reverse, muscle changes in asthmatic airways...

Swallowing a pill as a new way to take medication.

How good were prehistoric spears?