91É«Ç鯬In the race to reach 100, the wealthy have a head start There are more centenarians now than ever before. But more must be done to address inequalities that prevent people from having a realistic chance of hitting this milestone. Leader
EnvironmentWe can repurpose retired coal plants to produce green energy Piles of dirt can cheaply store renewable energy as heat – and that stored energy can reactivate the machinery of retired coal power plants, letting them provide backup power for the electricity grid News