But that movement doesn’t have to come in hour-long gym sessions; frequent short bursts that get the heart rate up can also make a difference. For a teacher, that might mean leading students in ...

Bernie Sanders has built one of the most durable movements in American politics. But many inside and outside of it are worrying what happens when he’s gone. Sanders, at 83, is not interested in ...

Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany ...