In a game like dodge ball, how is it that your brain is able to tell you to raise your arm and block an incoming ball with your elbow? Find out with this simple experiment.
Journey thousands of meters below sea level to examine the underwater geysers that spew hot, mineral-rich water from beneath the seafloor ... and that are host to an amazing diversity of life.
Some volcanoes slowly ooze magma while others explode with immense power. Yet all volcanic eruptions begin in the magma chamber. Meet a scientist who has created a model chamber in his lab.
Give your notes and musings added weight with these rock-solid designs. Add your name and address—and anything else you want to say—to these colorful stationery files.
Examine the myths and legends that shape the design motifs of Northwest Coast art. Meet artists depicting mythic beings. And see what it takes to create a 42-foot ceremonial totem pole.
We've made it easy to find and visit museums with Native American collections. Travel from New York to Santa Fe, Pittsburgh, and Vancouver—all with a mere click of your mouse.
From slow creeping continents to ground-splitting quakes, the Earth is constantly changing. Take a peek at our planet's layers, learn what secrets rocks reveal, and gain a long view of history.
A volcanic eruption that could be felt across an ocean, an earthquake that sparked landslides, massive tsunamis, and a volcanic eruption ... Examine the world-changing results of plates on the move.
Jade has been used by people around the world for thousands of years—first to make tools, later to create precious works of art. Take a peek into mineralogist George Harlow's scrapbook to see why he thinks this rock is so special.
Mundo Shamundo! With the help of these magic words, the Amazing Mundo can literally reverse the sands of time. Watch him transform worldly objects ... back into rocks in this fun comic strip.
What is the gold standard? How does an alloy differ from a compound? And what happens when a metal tarnishes? Find out with this glossary from "alloy" to "volume."
How does gold form and what does it take to extract it from the earth? You'll find everything from colorful field guides to tales about the quest for gold in this list of kid-friendly titles.
What are squamata? Why is the term "cold-blooded" incorrect? And how does chemoreception work? Find out with this glossary—from "adaptation" to "vertebrate."