Studies involving COVID-19 vaccine candidates in monkeys show promise of an effective vaccine, but it will take large-scale human trials to know for sure if they work.
Lillian Kay Petersen, 17, has won the Regeneron Science Talent Search, a top science and math competition for high school seniors. Her winning project: a tool to predict crop harvests.
A new study finds that the U.S. places with the most polluted air in the 1980s remain the most polluted today. Poor people and people of color are more likely to live in places with dirty air.
Scientists are now checking to see if purified blood serum from people who have recovered from COVID-19 might be more than a useful treatment. Perhaps it's a way to prevent disease in someone else.
The growing coronavirus death toll doesn't provoke the same type of emotional response that a plane crash might. It's a coping mechanism and how our neurons are wired, says psychologist Elke Weber.
With the coronavirus spreading out of control in many parts of the U.S., some experts say the strategy of testing and tracing can't contain the pandemic until lockdowns bring case numbers down.
Face coverings are key to stopping spread of the coronavirus, but also slow communication, especially for people who don't hear well. Volunteers and companies suggest some transparent alternatives.