Stuck Inside? Keep Walking

Taking an extra 4,000 steps a day might reduce our risk of dying prematurely, even if those steps are not swift, according to a large-scale new study of moving and mortality. At a time when so many of us are confined to home and worried about whether we are being active enough, the study is…

Covid-19 Changed How the World Does Science, Together

Using flag-draped memes and military terminology, the Trump administration and its Chinese counterparts have cast coronavirus research as national imperatives, sparking talk of a biotech arms race. The world’s scientists, for the most part, have responded with a collective eye roll. “Absolutely ridiculous,” said Jonathan Heeney, a Cambridge University researcher working on a coronavirus vaccine.…