Nearly 10,000 cases have been confirmed worldwide, as of January 31. Experts consider measures that could be put in place to halt the spread of the pathogen.
Listen to three science storytellers talk about a notable story they reported in 2019, including untold and surprising facts.
The house cat-sized dino had well-developed wings, but not necessarily for flying.
Almost a third of registered drug studies are not reporting data to the government.