Even though it’s said that "necessity is the mother of invention," women’s contribution to inventing and science have been, in the past, often overlooked. It’s likely women have been using their creativity and intelligence to engineer new ideas and products since the beginning of human experience, but nobody really kept track of such things until a few years ago. Below we’ve assembled some of our favorite daring women inventors, scientists, and doctors - from Nobel Prize winners to crafters of practical devices, from women who revolutionized the way diapers were changed to women whose revolutionary ideas changed the world.