Catalysis, nanoparticles: hydrogen peroxidePhoto courtesy of Dr. David J. Willock, Cardiff Universityin chemistry, the modification of the rate of a chemical reaction, usually an acceleration, by addition of a substance not consumed during the reaction.
The United Service Organizations Inc. (USO Show) is a nonprofit organization that provides programs, services and live entertainment to United States service members and their families.
A United States Uniformed Services Privilege and Identification Card ( also known as U.S. military ID , Geneva Conventions Identification Card , or less commonly abbreviated USPIC ) is an identity document issued by the United States Department of Defense to identify a person as a member of the Armed Forces or a member 's dependent , such as a child ...