This video segment adapted from 1421: The Year the Chinese Discovered America? introduces the theory that the Chinese discovered America prior to Columbus.

In this video segment from Africa, Flora explains why she is content to return to the bush.

In this transcript from FRONTLINE: "Inside the Teenage Brain," neuroscientist Dr. Jay Giedd discusses new research on brain development in teenagers.

Help Plum collect all the different kinds of seeds before time runs out. Fun, interactive game shows how different seeds propagate. Look out for those crows!

What are some of the cheetah's distinctive characteristics? Come and check out this resource featuring fun facts and information about the cheetah.

Explore the world of marine life through the eyes of dolphins when you visit this clear and concise resource. This site features information on where and how dolphins live and other fun facts. Teachers can use this type of site to help...

What do you know about coyotes? Learn more about how adaptable this animal is to new surroundings when you check out this informative resource. Explore this website to find more facts and information ranging from what these animals eat...

Can you name the largest rodent that lives in North America? The beaver happens to be the correct answer. Explore this brief but interesting resource to learn where beavers live, what they eat and how they socialize.

Come and discover what octopi eat and where they live when you visit this resource. Students and teachers will benefit from this clear and concise presentation of information.

Do you know anything about meerkats? This site identifies where these mammals live, what they eat and other interesting facts. Meerkats are part of the mongoose family.

What do you know about lemurs? This site provides an insight into how lemurs live, their habitats, their social environments and more.

Did you know that giraffes are vegetarians? You can find out some more interesting facts and information about giraffes when you visit this resource.

Do you know how to tell the difference between a frog and a toad? This site provides interesting facts and information about this type of amphibian from where they live to what they eat and more.

Did you know that the elephant is the largest animal in the world? Discover more about where they live, what they eat and how they socialize when you visit this site.

The word "manta" means blanket in Spanish--and the Manta ray gets its name from its blanketlike appearance in the water. Learn all about their life cycle and habitat in text and pictures.

This resource offers a clear and concise description of domesticated pigs. Students who need help narrowing their informational search will benefit from this type of condensed resource.

Did you know that penguins can survive for more than 100 days without food or water? Discover more educational facts about these fascinating birds when you explore this site.

What bear is considered China's national treasure? This site features a brief description of the life of a panda bear.

Discover more about how otters live, what they eat and how they socialize when you visit this informative resource. This condensed site will benefit students who need help narrowing their research information.

Come and check out this awesome resource on orangutans. Students who need help narrowing their informational search will benefit from this clear and concise resource.

Learn about the natural history of the zebra in text and images, a relative of the horse that inhabits the Serengeti in East Africa and other parts of Africa.

Gray wolves were a frequent sight on the American plains, however, they are now an endangered species despite attempts to reintroduce them to their former habitats in the continental United States. Learn about their natural history in...

Learn about how and where tigers live when you explore this resource. You can also investigate how tigers communicate with each other, enemies, friends, and humans through this site.

Learn more about the arctic fox through this clear and concise site. This resource features photos, characteristics, behavior information and more about this fascinating mammal.