As a child, Amundsen dreamed of exploring the North Pole. Yet it is his discovery of the South Pole for which he is best known. Read Amundsen's exciting account of his groundbreaking expedition.
How quickly do you see and how well do you remember? Play these games to find out — and then use them to train your brain to perform better.
About 4.6 billion years ago, our solar system came into being. This comic strip explains the processes that led to the creation of the planets and the asteroid belt.
I went on a class field trip to Fernwood Botanic Garden in southwest Michigan when I was in sixth grade. When we toured the restored prairie, the naturalist told us about invasive non-native plants such as garlic mustard and how they destroy native habitats. Most of my class was bored, but I was amazed. I wanted to learn more, especially because my grandfather owns a section of prairie in southwest Michigan. About five years ago, he completed a prairie restoration on some of his land, and I wanted to know if he also had non-native plants growing in his prairie.
Why send an email when you can deliver your message on horseback. Add your name and address—and anything else you want to—to these colorful stationery files.