When I was asked to calculate the total volume of SARS-CoV-2 in the world for the BBC Radio 4 show “More or Less,” I will admit I had no idea what the answer would be. My wife suggested it would be the size of an Olympic swimming pool. “Either that or a teaspoon,” she said. … Continue reading All the Coronavirus in the World Could Fit Inside a Coke Can, With Plenty of Room to Spare