Tenet: Why we performed backwards and forwards

The BBC’s Steve Rosenberg reports as Polish forces fire water cannon at migrants throwing rocks.

BBC Click’s Jen Copestake looks at some of the best technology news stories of the week including: Facebook lifts its ban on political advertising which has been in place since the US presidential election in November The Last of US 2 receives a record-breaking 13 nominations at the Bafta gaming awards Tiny insect-like drones are…

The Bill and Melinda Gates Foundation is likely to continue as now despite the couple announcing their divorce after 27 years of marriage, Dr Beth Breeze, director of the Centre for Philanthropy, at Kent University, said. “They have got a 21-year history in their foundation of giving sums larger than anyone has given historically, working…

Former Afghan finance minister Omar Zakhilwal says there is no alternative to working with the Taliban. He travelled to Kabul after the city’s fall to the Taliban. Like the rest of Afghanistan he is waiting to see what the Taliban decide to do, but says he is in the capital trying to help form an…

BBC Click’s Jen Copestake looks at the best technology news stories of the week including: Amazon opens its fifth till-less, “just walk out” grocery store in London’s Chalk Farm neighbourhood An autonomous artificially intelligent ship, the Mayflower 400, sets sail across the Atlantic ocean The Young Voices choir becomes the largest group of children to…

The former president of Afghanistan, Hamid Karzai, has described the Taliban as his “brothers” in an exclusive interview with the BBC. Speaking to the BBC’s Yalda Hakim, Mr Karzai was pressed on when girls and women would be able to go back into education and work. He said he had had conversations about this and…