"The Mystery of Lyle and Louise"

Is This Epidemic Caused By A New Strain Of Bacteria?

What is the cause of an outbreak of brain illness?

Students use the St. Louis Demo Motor to research fundamental principles of electric motors and generators.

Demonstrates operation of motors and generators.

The nation's most exciting science competition now has kits for at-home use!

This is a classic example of thermodynamics in action.

We’ve assembled this special Fossil Study Pack to make your classroom activities on ancient life both rewarding and more cost effective.

Demonstrate the transformation of energy.

This kit is appropriate for grades Pre-K+.

This model of the HIV virus is enlarged millions of times to show the outer lipid membrane with protein structures and the internal nucleoproteins and contained RNA.