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 d4345-1
A blue-green microalgae could provide a strong, sustainably produced artificial diet for honey bees.
Photo by Vincent Ricigliano.
640 pixels wide: (d4345-1.jpg)
Please visit our Image Gallery.