Bloomberg Mass transit, the lifeblood of cities worldwide, is under threat from the biggest innovation in automotive technology since Henry Ford’s assembly line first flooded streets with cars. The self-driving vehicles being pioneered by Tesla Motors Inc., Alphabet Inc.’s Google and others are poised to dramatically lower the cost of taxis, potentially making them cheaper than buses or subways, ...

  Nairobi / DPA Sewing machines clatter and fumes from charcoal-burning irons fill the narrow aisles hung about with lengths of fabric in the Gikomba Market in Nairobi, one of the largest second-hand clothing markets in Africa. It is 7 am, and traders are already heaving large wooden carts fully laden with second-hand clothes pressed into plastic-covered packs weighing some ...

  Gross Pampau / DPA Amateur palaeontologist Wolfgang Hoepfner painstakingly removed all the dirt surrounding some fossilized bones, gradually revealing the skeleton of a 6-metre baleen whale, 11 million years after it had died in the North Sea. “For a palaeontologist like me, it was almost like winning the lottery,” he later explained with pride. Fossil hunting is a hobby ...