Medical historian and journalist Mark Honigsbaum joins Cool Science Radio . He surveys the last century of scientific struggle against an enduring enemy: deadly contagious disease, from the Spanish flu through the more recent SARS, Ebola, and Zika epidemics. The last one hundred years have been marked by a succession of unanticipated pandemic alarms. He joins to update on the latest pandemic, the Corona Virus. He's currently writing an epilogue to include CoVid-19 in his book, published last