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. And the region where the gender divide in obesity rates is highest. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer

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