Oscawana has all the symptoms of a dying lake. Join this seventh-grader from New York as she hunts for the culprits—and examines what can be done to restore the lake.

This Nobel Prize–winning chemist contributed to several scientific fields. His remarkable body of work spanned chemistry, geochemistry, lunar science, and astrochemistry.

In this hands-on experiment, students create a neutrally buoyant "diver" and then observe the effects of increased water pressure.

Why was this 11th-grader from Texas stopping at every mile marker along the road and randomly tossing a hula hoop over his shoulder? To further science, of course!

Now that peace has firmly taken hold in Vietnam, scientific research is flourishing once again. Meet some of the country's diverse animal and plant life, including many rare and endangered species.

Archaeologists can’t just dig into a site like it’s a sandbox—they’d scramble the evidence and more than likely destroy precious artifacts. Try your hand at the careful sifting they employ.

Context is everything when it comes to identifying and understanding artifacts. Explore how archaeologists use surrounding objects to sort out how an artifact was originally used.

How does one generation stack up to the next? Find out why it’s easier for archaeologists to answer this question when a family settles in one place.

Get an insider's view, past and present, of the 19 Indian pueblos of New Mexico. Take a closer look at traditional arts and crafts styles. And find tips and directions for making your own jewelry. 

Compare contemporary myths with those from the 19th century. Read trickster tales from 55 tribal groups. And peruse illustrated Haida myths.