In all the world, no butterflies migrate like the monarchs of North America. They travel up to three-thousand miles twice a year: south in the fall, and north in the spring. To avoid the long, cold northern winters, monarchs west …[Continue]

On December 17, 1903, the Wright brothers made the world’s first flight in a power-driven, heavier-than-air machine that cost about $1000 to build. With Orville at the controls and Wilbur on the ground, the plane flew 120 feet in twelve …[Continue]

Magnetism is a force that attracts and repels things. It is the result of the movement of charged particles. Although the theoretical concept may sound difficult, it is easy to demonstrate to even young children with very simple experiments. Nickel …[Continue]