Wintry Scenes From a Swedish Wonderland

I consistently give the same advice to aspiring photographers: Wherever home is, that’s where you should begin. It isn’t always easy advice to follow. After all, our understandable curiosity and fascination with the exotic — that which is different from what we are used to — sends us abroad by the hundreds of millions every…

Surgery in the Time of Covid

In a list of “guiding principles,” the American Academy of Orthopaedic Surgeons cautioned its members that during the pandemic, decisions to proceed with elective surgery “should be locally based” and take into account “incidence, prevalence, patient beds, hospital beds, ventilators and personal protective equipment,” in addition to local shutdown orders and whether there’s been “a…

Using wearable activity trackers to distinguish COVID-19 from flu

By analyzing Fitbit data and self-reported symptoms, researchers from Evidation Health and collaborators analyzed trends in heart rate, step count, and symptom duration between patients with flu and those with COVID-19. While both showed similar-looking spikes in resting heart rate and decreases in average step count, COVID-19 symptoms lasted longer and peaked later. Contrasting and…