The 20 winners of this year’s MacArthur Fellowships - often called the “genius grant” - have been announced. Each award carries a $800,000 stipend, paid over five years.
A recent review of randomized controlled trials — most of which were conducted before the COVID-19 pandemic — has become part of the debate on the effectiveness of masks in preventing the spread of respiratory illnesses. Linsey C. Marr, PhD, the Charles P. Lunsford Professor of Civil and Environmental Engineering at Virginia Tech University and an expert on airborne virus