Mind map, with Tony Buzan in the centre, taken from tonybuzan.com

It all started when he noticed that students who doodled on their study notes were getting good results in their examinations. Their notes weren’t nea(...)

MRI scan showing a human brain. Researchers have successfully shut down brain swelling in a rodent brain by turning off a single gene.  Photograph: Getty Images

Researchers have identified a biological switch that shuts down brain swelling after a head injury or stroke. The discovery has widespread medical imp(...)

People queing to play the Lotto in the St Stephen’s Green Shopping Centre in Dublin. Photograph: Eric Luke.

More than half the population played National Lottery games on a regular basis last year, but in reality there is almost no probability of winning big(...)

An image from the Department of Education as part of an anti-bullying campaign.

My first encounter with everyday sadism came in the form of a teacher who was at his happiest when administering punishment to his pupils.This punishm(...)

Up close and personal: the mountain pine beetle, currently wiping out thousands of square miles of pine forest. Photograph: Ward Strong, British Columbia Ministry of Forests, Lands, and Natural Resource Operations

A troublesome beetle is munching its way through square miles of pine trees in North America, wreaking havoc in an area of forest 10 times larg(...)