Young explorers, all aboard the shallop to discover how early European explorers would navigate the American coastline to find resources, map terrain, and trade with Native American tribes.

Use this resource to present your number crunchers with how to write a constraint equation and to determine viable solutions. The price of an object limits the amount that can be purchased. The speed at which you walk limits the number...

A fish is not just a fish. So many fish in remote places have unique characteristics. Take a trip with an ichthyologist to the Congo River to discover the species of one of the most diverse fish populations in the world. The online...