Hydrogen sulfide, recognized by its characteristic rotten egg smell, is synthesized in the respiratory center -- an integral brain region governing respiration. Researchers have identified that ...

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 ...