Can you tell the difference between a leech's jaw and its back sucker? Test your knowledge of these blood-thirsty worms.
Can you tell the difference between an Emmy award and an Olympic medal? Test your knowledge of gold-plated objects. Then find out more about gold!
For billions of years the greenhouse effect has made life possible on Earth. Build a terrarium—your own miniature greenhouse—to see this process at work.
Curriculum Collection, Educator Guide
Humans, like all species, are a product of evolution. Help students understand the evolutionary story of our taxonomic family with this practical and printable exhibit guide.
Follow mermaids around the world and throughout history to see first-hand how cultures share and reinterpret mythic creatures.
Setting sail without a map wasn't the only concern facing European explorers. Their heads had also been filled with tales of monsters lurking in the oceans' depths.
The elusive giant squid was first described 500 years ago by Scandinavian sailors. Investigate what we've learned--and what still remains unknown--about this mysterious deep-ocean creature.
Continue tracking mythic creatures through the art they've inspired and the science they've helped shape with this collection of related Web sites.
Explore your ancestral past and the 22nd-century possibilities of DNA research with this collection of kid-friendly titles selected for the Hall of Human Origins.
What are evolutionary trees? How do hominids differ from primates? And why is it important that humans are capable of symbolic thought? Find out with this guide from "DNA" to "variation."