Colors we see

The cheese in your sandwich is orange. The tomato is bright red. The lettuce is green. The light brown bread has a dark brown crust. You would be surprised if your sandwich had red cheese, a brown...

Nigeria celebrates

> With a rat-a-tat-tat of drums and a blare of bugles, rows of soldiers > march smartly down the street. Overhead, there is a roar as a > formation of warplanes rushes through the sky. Later, there...

The wearing of the green

St. Patrick's Day March 17 On St. Patrick's Day, you may hear such Irish songs as \"The Wearing of the Green." And on this day, many people---even some who are not Irish---do wear something green....

Turtles of the sea

The biggest of all turtles makes its home in the sea. It's called the leatherback because its shell is covered by leathery black skin. A full-grown leatherback may be more than six feet (1.8 meters)...

The colors of the sea

A glass of water has no color. But the water of the sea looks blue in some places and green in others. And in some places it looks brownish, or reddish, or even yellow. Where does the sea get its...