More than likely with a good guess you could detect a heart-shaped leaf from one that's oval or narrow. But do you know how to recognize a leaf that has a lobed or divided shape? Learn how.
Go beyond petals and leaves! Learn how to identify a flower's stamen, anther, filament, stigma, and more with this illustrated look at the parts of a flower.
What can scientists know about a creature by examining its bones? And what can they only guess at? Show students with this hands-on activity.
Unicorns and dragons and Sasquatch, oh my! Continue the investigation of fantastic creatures with this mythological menagerie of books.
From fire-breathing dragons to magical unicorns, take a look at four legendary mythical creatures. Then find out what scientists think may have sparked belief in these imaginary animals.
You just might be surprised by how diverse and interdependent the living things around your school are. Investigate a patch of sidewalk, a grassy or wooded spot, or even someone's front yard.
If you could take a trip to a black hole, would you? Before you answer, take a peek at what you'd encounter. The trip certainly would qualify as adventure travel!
Can you curl your tongue? Do you have a "hitchhiker's thumb?" Investigate which of these four traits you share—and which of them are rare.
How are you like a chimpanzee? In what ways do you differ from a Neanderthal? Find out with this detailed, interactive look at humans and their closest cousins.
Meet an AMNH scientist who manages one of the world's largest frozen tissue collections. Then take a peek inside her cryovats, where animals on the brink of extinction remain frozen in time.
Once humans gained control over their food supplies, they were no longer limited by their environment's natural productivity. What costs have come along with this tremendous benefit?
Did you know only 10 percent of people in rural Madagascar have access to safe drinking water? Or that Africa has the worst infant mortality rate? Take a global look at important health issues.
Today, at least 16 million hectares of forests are lost each year to timber harvesting and the conversion of forests to farmland. See the dramatic decline of the Earth's original forest cover.
Answer: This arthropod may not be welcome at picnics, but it does help clean up the world by eating dead insects. Question: What is an ant? Turn your arthropod knowledge into a game of Jeopardy.
From the discovery of the Titanic to the undersea riches of black smokers, a number of magazine articles have taken a close look at deep sea vents. Get a guide to the best deep sea reads.