Inge Lehmann, who is honored Wednesday with a Google Doodle, made a name for herself at a time when there were few women scientists. Yet her rigorous observations of earthquake movements allowed her to glimpse the nature of the Earth's core.
Space photos use infrared and ultraviolet light sensors to show us planets in our solar system and distant galaxies. That means the photos we see have to be artificially colored to give a sense of what those objects might look like to human eyes.
Democratic presidential candidate, former Secretary of State Hillary Rodham Clinton greets guests after speaking to South Carolina House Democratic Women's Caucus and Women's Council, Wednesday, in Columbia, S.C.
Over 1,000 languages are severely or critically endangered, according to UNESCO, and some scientists are saying economic growth is driving language extinction. But what might be the consequences of less language diversity?