Those face masks you see with coin-sized valves on the front may look intriguing but they are not as good at preventing the spread of the novel coronavirus as the seemingly lower-tech, non-valved masks.Some masks designed for hot, dusty construction work — where the intent is to filter out dust before it hits the wearer’s…
Mountaineering guide Adrian Ballinger demonstrates how to use a pulse oximeter as part of his Hypoxico Altitude Training System at his home in Squaw Valley, California on Aug. 20, 2014. Josh Edelson / AFP via Getty Images Patients who are having trouble breathing from a COVID-19 infection are showing up at the hospital long after…
U.S.|Grand Juror in Breonna Taylor Case Says Deliberations Were MisrepresentedThe Kentucky attorney general’s office said it would release the panel’s recordings after a grand juror contended in a court filing that its discussions were inaccurately characterized.Breonna Taylor's family and the lawyer Ben Crump, right, said the charges a Kentucky grand jury agreed upon in the…
(John Finney Photography/Moment/Getty Images) An abnormally bad season of weather may have had a significant impact on the death toll from both World War I and the 1918 Spanish flu pandemic, according to new research, with many more lives being lost due to torrential rain and plummeting temperatures. Through a detailed analysis of an ice…