The ability of soils to eliminate N2O can mainly be explained by the diversity and abundance of a new group of micro-organisms that are capable of transforming it into atmospheric nitrogen (N2). INRA ...

Beetles are the most diverse group of complex organisms on Earth, making up over 20% of all named animal species. One in five species on this planet is...a beetle. How did one group of organisms get ...

An enigmatic group of fossil organisms has finally been identified—and is changing the story of how plants took root on land ...

A gene pool is the collective set of genes found across all organisms in a population. In this page, you will learn about variation within gene pools, as well as the ways in which this variation can ...

"Adapt or perish, now as ever, is nature's inexorable imperative," wrote H. G. Wells. This principle—that survival requires ...

Scientists are discovering ways in which single cells might have evolved traits that entrenched them into group behavior, paving the way for multicellular life. These discoveries could shed light on ...

Chemical engineering researchers at the University of Waterloo have joined forces to take on a pressing environmental problem by using synthetic biology to turn plastic waste into valuable resources.

The Journal of Infectious Diseases, Vol. 35, No. 1 (Jul., 1924), pp. 14-22 (9 pages) Various tests to differentiate the members of the colon-aerogenes group were applied to two series of cultures, one ...

Anthony D. Harris , MD, MPH, Yehuda Carmeli , MD, MS, Matthew H. Samore , MD, Keith S. Kaye , MD, MS and Eli Perencevich , MD, MS BACKGROUND. Case–control studies often analyze risk factors for ...