Indigenous Indonesian communities—like the Papuan Abui people of Alor—are the custodians of very ancient knowledge. Their ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that ...

NASA crews go through extensive training and have access to kit to treat medical issues in orbit, from dental problems and ...