Who truly changed the world? From ancient leaders and revolutionary thinkers to scientists, artists, and activists, we’re ranking the greatest people in history—those whose impact still shapes ...

Before World War II, people with disabilities faced severe limitations ... gathered around a section of an aircraft they helped build. They vary in age, gender, and ethnicity as well as including ...

Easy Things You Should Do to Help the Planet ... We’ve always been one world, one people– and now suddenly and urgently we’re realizing how fragile and yet how powerful that connectivity ...