This article was originally published on Undark. When a dentist told Corrine Rivera that her 7-year-old daughter needed a baby root canal at her routine checkup, Rivera didn’t understand that “baby” ...

President Joe Biden underwent the completion of a root canal on Monday, forcing him to miss hosting a "College Athlete Day" celebration and some other meetings. According to a memo from Dr. Kevin ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...