At least 94 IS fighters were killed in Afghanistan by “the mother of all bombs,” the largest non-nuclear weapon ever used in combat by the US military. The US strike using the Massive Ordnance Air Blast bomb, or MOAB, on a tunnel complex in remote eastern Nangarhar province near the Pakistan border killed four IS group leaders too. The …

  Ronald A. Fisher, one of the fathers of modern statistics, reportedly got on the nerves of many of his contemporaries. But if there’s a reason we should be annoyed with Fisher today, it’s for coining the misleading term “statistical significance.” Those two words don’t necessarily mean that a finding is important or that an effect is big. It only …

  In a country where government bailouts are common and with an alluring semiconductor unit that could net billions, Toshiba Corp. will probably stay in business even as it reels from record losses and the bankruptcy of its Westinghouse Electric nuclear energy unit. But a more pressing worry for investors is that with negative shareholder equity of 225.7 billion yen …