Inc. Our sun is a very special friend. It keeps the world just right for all plants and animals to live and grow. More than just a pretty piece of cloth, the flag symbolizes the role of every citizen in the community. A powerful narrative by actor John Forsythe brings relevance and meaning to this important topic. Animation explains these events in terms of the theory of plate tectonics.
Scientists travel to plate boundaries, many of which are located in deep ocean waters.
Chesapeake Bay blue crabs swimming among clumps of marsh grasses in a museum basement. To give us insight into how we can preserve our precious planet. The U.S. spends hundreds of millions on relief for war-torn Europe. The U.S. airlifts supplies to West Berlin. The F.B.I. investigates communist supporters.