On Sunday America’s Senate passed the most-ambitious climate legislation in the country’s history, giving Democrats and President Joe Biden a huge win heading into the midterms. Why Africa is experiencing a boom in startups. And the nascent, necessary efforts to understand how the menstrual cycle affects athletic performance. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer See acast.com/privacy for privacy and opt-out information.