Massachusetts August 5, 2024 7:40 pm Cambridge company develops patch to test for doping Doping scandals have tainted Olympic competitions for decades, but a Massachusetts company is working on new technology to combat cheating. US & World Videos 4:41 Parents sue over AI chatbot they say encourages children to harm themselves and others 1:51 Strong gas odor wafting from Chelsea to Winthrop 8:10 Heavy rain and strong winds impact travel 1:55 Scammers targeting shoppers with coupon scams this holiday season 2:32 Concession workers at Boston's TD Garden to vote on whether to strike
