Getting more interesting: the Fed raises rates

America’s central bank has raised interest rates by three-quarters of a percentage point—its fourth rise this year. It is walking a fine line between cooling the economy and tipping the country into recession. Scientific results fundamental to more than a decade’s-worth of Alzheimer’s research may have been fabricated. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer