Puzzle of the Platypus and other explorations of science in action

When the platypus was first discovered by Europeans in the 1800s, it was well-known by Australian Aborigines-but no one knew how to classify it. It lived in the water and laid...

What Makes Popcorn Pop?

Have you ever wondered what makes popcorn pop? One second a kernel is sitting there, tiny and hard as a rock. Next thing you know, it bursts into a fluffy and delicious snack. If...

What Happened to the Mammoths? And Other Explorations of Science in Action

Few activities grip our attention more than animal watching. Dolphins and seals bring us much joy, and sharks and alligators hold us in awe. But animals can also prompt a variety...

Drilling in the Ocean Floor

Scientists visit the oceans of the world to study what is beneath the sea floor.

A New Look at Hummingbirds

How does a hummingbird's thin beak snatch bugs from the air?

Why Do Cliff Swallows Live Together?

Scientists have learned why these birds live in colonies.