蜜芽传媒

A curator found more than 2,000 notebooks left behind in a Harvard library. They belonged to Harvard's first women "computers," who studied the stars more than 40 years before they had the right to vote. Alex Newman reports.

(Image: Curator Lindsay Smith Zrull places a glass plate photograph of a section of the sky onto a lightbox. Credit: PRI鈥檚 The World)