How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...

The Spanish-language version of the U.S. government's online nutrition guide Choose My Plate makes it possible for Spanish speakers to access information about eating a nutritious diet and staying physically active.

This is a comprehensive resource for information pertaining to health, nutrition and well being. Explore this site to learn more about food safety, food facts, health management and more.