For 140 million years giant dinosaurs called sauropods roamed Earth. Help students investigate the success of the largest land animals ever with this practical and printable exhibition guide for educators.

When does mixing every color under the rainbow create pure white rather than a murky brown or black? When light, not paint, is the medium—and you're subtracting, not adding, color.

Are those sharp, pointy dinosaur teeth all the better to eat you with? Or are they designed for tough vegetation? Examine dinosaur teeth as a paleontologist would.

It's not what they ate or when they lived that distinguishes dinosaurs from other reptiles. It's the hole in their hip socket. Find out how this feature affected the way dinosaurs walk.

What kind of fossil is a tooth—body or trace? How about a nest of eggs? Or a skin impression? Examine the differences between body and trace fossils with these eight high-quality photographs.

Re-create the 130-million-year-old forest in what is now China to understand why this fossil site is of such vast scientific importance.