A tiny, four-fingered "hand" folded from a single piece of DNA can pick up the virus that causes COVID-19 for highly sensitive rapid detection and can even block viral particles from entering cells to ...
Sadly, a hot cup of tea or bowl of soup on a winter day also won't reduce your chances of getting a virus. "Warm liquids don’t prevent illnesses," says Dr. Viola. "They can help you feel warmer, but ...