For decades, some of America’s bravest, facing the battle against flames, were unknowingly exposed to carcinogenic chemicals and deadly conditions. In Nebraska, where volunteer and career firefighters are the backbone of so many small communities, the risk of cancer hits especially close to home. The chemicals designed to protect them — per- and polyfluoroalkyl substances (PFAS) — have silently contaminated their protective gear, their firehouses, and eventually their own bodies.

LAS VEGAS (AP) — The nation's largest police fleet of Tesla Cybertrucks is set to begin patrolling the streets of Las Vegas in November thanks to a donation from a U.S. tech billionaire, raising concerns about the blurring of lines between public and private interests.

It is that time again. Time to wonder: Why do we turn the clocks forward and backward twice a year? Academics, scientists, politicians, economists, employers, parents – and just about everyone else you will interact with this week – are likely debating a wide range of reasons for and against daylight saving time.