Contributed by Colin Renfrew, March 30, 2020 (sent for review March 17, 2020; reviewed by Toomas Kivisild and Carol Stocking) SignificanceTh

Researchers from Cambridge, UK, and Germany have reconstructed the early “evolutionary paths” of COVID-19 in humans – as infection spread from Wuhan out to Europe and North America – using genetic net

Chinatown in San Francisco, California, during coronavirus: China sends some 400,000 students to the United States. How many will return once lockdowns are lifted?Credit: Jeff Chiu/AP/Shutterstock