What exactly is a mathematical proof? Columnist Jacob Aron breaks down how mathematicians plot a course to answer open ...

The timing of retirement is possibly one of the hottest topics within my WhatsApp group of 50-something friends.

"I've finished standard problem sets like the Blue Chart, but I can't get started when it comes to mock exams or past papers.

"I can think of the solution strategy for a problem, but I can't put the proof together as an answer." "I thought I had ...

Glacial-interglacial transitions punctuate Earth’s Quaternary climate, accompanied by substantial atmospheric carbon dioxide and ocean carbon storage changes. The cause of atmospheric carbon drawdown ...