Elena Renken

CDC director Dr. Robert Redfield says the agency will double the current number of positions to aid local health departments in quashing new outbreaks. They will focus on testing and contact tracing.

The power of shared storytelling to soothe or spur us to action may be more crucial than ever, scientists say. Here's what happens in the brain when we feel swept away by a story, book or film.

Some animals live longer than they should for their size. Some have shorter lives. And others don't appear to age at all.

Some 7,000 volunteers were evacuated in an unprecedented callback. Back home and jobless, they're in limbo — but there's a proposal to enlist them in the fight against COVID-19.