Becoming an Olympian is a long and unpredictable journey rife with hurdles. But those arriving in Beijing for the 2022 Winter Games face yet another daunting challenge: COVID-19. Even before the Games begin on Feb. 4, the pandemic is taking…
If it’s flushed down the toilet, Rob Knight wants to know about it. He’s a researcher at the University of California San Diego, where he specializes in microbes, the tiny organisms that live in your gut. Knight is testing…
