Nelson Mandela, the world’s best known political prisoner who went on to become President of South Africa, has died at age 95.

Experts address the outbreaks of meningitis on two college campuses, with advice on how to reduce risk.

Researchers find new insight into reading disorder

Knowing how they detect skin odor might lead to better repellants, researcher says

In tiny study, 2 patients experienced a desire to conquer challenge