Takes you down into the murky world of sharks and their relatives, reveals what motivates these fascinating creatures, and dispels some myths about their behavior. Discover a shark that can fit in your hand and a shark that eats only plankton--and learn that not all sharks are killing machines.

Takes you on a twisting journey down the great rivers of the world, pausing to visit the thriving realm of freshwater ponds. Travel upstream to find civilization's source - then down again to see the key to our very survival.

Through the ages, man has depended on plants for everything from oxygen to food to building supplies. Gives a colorful tour of the world's most dazzling flora - from the most magical to the most bizarre. Watch buds burst, flowers bloom, and discover the myriad ways plants struggle to survive.

A look inside the world of paleontologists and the creatures they study, showing the process of discovery in excavating and reconstructing fossils.

Zoom in on a world of creatures that are industrious, sociable, and environmentally useful, but that are nevertheless avoided and ignored. Safely examine the wonders of the insect through macrophotography and startling 3-D graphics that reveal the true importance of these amazing life forms.

Reveals the most amazing facts and folklore about our favorite furry animals. Towering or tiny, ferocious or friendly, mammals trot, hop, swim, and soar. Meet the creatures that make up this huge and varied family.

This is an ideal introduction to anatomical science for young viewers. Its visuals are fresh and interesting, its documentary footage is sharp, and Martin Sheen's narration is quite effective.

See how different types of weather form and the effect that climate has on our world.

Discover the ancient myths that surround our oceans and the modern science behind them.

Provides information about planets, using live-action photography and special effects to examine the birth of the sun and the characteristics of the planets in Earth's solar system.