成人快手

Is London the most diverse city in the world? The new London mayor Sadiq Khan has claimed that it is, but is he right? This month, British mathematician Sir Andrew Wiles will go to Oslo to collect the Abel prize, a prestigious maths prize for his work proving Fermat鈥檚 last theorem. Science author Simon Singh explains his work for More Or Less.

The hashtag #Airbnbwhileblack has been trending this week after African American twitter users accused some homeowners on the room booking website of rejecting them because of their skin colour. Greg Selden from Virginia says when he used fake white profiles he was accepted at properties who had previously said the room was unavailable. Plus, has Facebook been censoring conservative news trends? This week it was revealed that a team of journalists review the trending topics which appear in the top right hand corner of the site. That has led to allegations that the site has promoted more liberal stories. 成人快手 Trending investigates.

Why do some weeks just fly by but sometimes minutes can seem like hours? Why do we perceive time differently in different circumstances? On the Why Factor, Mike Williams talks to Pakistani writer and broadcaster Raza Rumi, Claudia Hammond, author of Time Warped, David Eagleman, a neuroscientist at the Baylor College of Medicine at Houston and John McCarthy, a British journalist taken hostage in Lebanon in 1986.

(Photo: A street in Brixton, London. Credit: Getty Images)