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.
"Greenhouse effect" and "global warming" are becoming household phrases but how, exactly, are they linked? Explore the interconnections and consequences of climate change.
Explore the method scientists use to determine evolutionary relationships by creating a coin cladogram. Then try your hand at classifying a handful of dinosaurs.
While refracting and reflecting telescopes use different means of collecting light, the same principle applies to both—the bigger the aperture, the more light collected.
What could Galileo see when he looked through his telescope? Build a refracting telescope with lenses similar to the ones he used, and see the answer for yourself.
No doubt you've received—or even sent—a digital image. But do you know how these pixel-based photographs work? You will after you decode one yourself.
What would an anthropologist make of your toothbrush, your school locker, or a Halloween jack-o-lantern? Examine the material culture and artifacts of your life.
A picture is worth a thousand words, but whose words are they? Zoom in on how the opinions and biases of photographers can color the images they take.
What defines you: your ethnic background, the region you live in, your age, or your gender? Correct answer: All of the above. Assemble the pieces of your identity in a cultural chest.