If learning feels easy, you’re probably not learning much. Here's why the brain thrives on challenge and how making things harder can help you retain them better.

A team of scientists has developed a recipe for black holes that eliminates one of the most troubling aspects of physics: the central singularity, the point at which all our theories, laws and ...

“The various theories range from the bizarre, like MH370 was taken by aliens, to the conspiratorial, like there was a plot involving several governments and secret service agents,” Mr Godfrey ...