New York / AP Macy’s is testing a mobile tool using artificial intelligence that lets shoppers get answers about the store they’re in — like where a particular brand is located or what’s in stock — that they would normally ask a sales associate face-to-face. The tool, which the nation’s largest department store chain calls a “mobile companion,” can be …

  Bloomberg India isn’t an easy place to build an e-commerce company. The vast, multilingual nation suffers from creaky infrastructure, a sometimes myopic bureaucracy and an ingrained distrust of the merchant class. Yet homegrown Flipkart Ltd. has managed the impossible with a blend of Silicon Valley smarts — its founders worked for Amazon.com Inc.; key hires were lured from the …

  Bloomberg Geothermal wells usually provide a steady supply of clean energy flowing from the natural heat of the Earth. In Turkey, because of a quirk in the geology, some of those wells pollute as much as coal-fired power plants. The nation has a layer of subterranean limestone, which lets loose carbon dioxide when it comes in contact with steam …