Tetrahymena, a tiny single celled-organism, turns out to be hiding a surprising secret: it's doing respiration -- using oxygen to generate cellular energy -- differently from other organisms such as ...

A stooped, bespectacled man disembarked last week from the Swedish ship Drottningholm, hurried to the campus of Pennsylvania’s sedate Swarthmore College where he delivered the first of a series of ...

Science, founded by Thomas A. Edison in 1880 and published by AAAS, today ranks as the world's largest circulation general science journal. Published 51 times a year, Science is renowned for its ...