An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
LockA locked padlock
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Image Number K4678-1
Chemist Harold Griffin extracts an enzyme from a bacterium found in shipworms that is a powerful new stain remover for laundry detergents.
Photo by Keith Weller
640 pixels wide: (k4678-1.jpg)
Please visit our Image Gallery