Simply talking could produce tiny particles of mucus and saliva that might carry the coronavirus, experts say. How much these airborne particles matter for the spread of this disease is controversial.
They have seen patients who presented with these symptoms — then tested positive for the novel coronavirus. Now they're gathering data to see if they can prove that there is indeed a connection.
"I wanted to do something because there's so many millions of Americans that don't have the same privileges that I've been given," says Jennifer Haller, who works from home for a small tech company.
Spring begins at 11:50 p.m. ET on March 19 this year. It is the earliest nationwide vernal equinox since 1896. Why, you ask? Get ready for orbital mechanics and a lot of information about calendars.
Health officials in Washington state said Sunday night that a second person had died from the coronavirus — a man in his 70s from a nursing facility near Seattle where dozens of people were sick and had been tested for the virus.
Researchers in Asia are using a blood test that identifies people who've previously been exposed to the new coronavirus. In the U.S., that kind of test isn't yet available.
Margot Lee Shetterly, author of "Hidden Figures: The American Dream and the Untold Story of the Black Women Mathematicians Who Helped Win the Space Race," was the Distinguished Carlson Lecturer at the University of Minnesota on Friday.
Johnson was one of NASA's human "computers" and wrote trajectory equations for missions in the space agency's early days. She was awarded the Presidential Medal of Freedom in 2015.