If you've visited the Hall of Biodiversity—in person or on the Web—and you want to expore more, these Web resources connect you to the world of biodiversity. Take a trip with scientists to coral reefs, to Siberia, and to the Gobi Desert; follow scientists as they investigate creatures as big as humpback whales and dinosaurs, as small as spiders and lizards. As you learn about the wealth of life on Earth past and present, investigate the issues, from endangered species to suburban sprawl, and find out what you can do.

		Kids in the Hall of Biodiversity Article for grades 3 through 8 What's the fastest running bird? Why are coral reefs important to all life? And should humans be scared of sharks? Find these answers and more in this Web site created by kids for kids.
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		Siberian Expedition: Wrangel Island Article for grades 6 through 8 Wrangel Island is the last-known home of the woolly mammoth. Travel there with a team of scientists hoping to learn if a killer plague—not overhunting or climate change—caused the mammoth's extinction.
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		Life on the Reef Article for grades 6 through 8 In September 2000, marine biologists from across the U.S. gathered in the Bahamas to study creatures along one of the world's largest barrier reefs. They even got help from NASA. Dive in to their expedition findings.
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		Endangered! Exhibition Materials for all ages African wild dog, Asian elephant, Indian python, American crocodile—threats to endangered animals are a global problem. Explore a world at risk, and learn what you can do to help.
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		Humans and Other Catastrophes: Online Symposium Article for grades 9 through 12 Most of the world's largest mammals "went extinct" about 14,000 years ago. What role did humans play in this dramatic loss of species? And what mammals are now at risk because of our behavior?
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