It almost never rains in Egypt, where approximately 95% of the land is desert. For that reason, almost all the drinking water and water required for farming comes from the Nile River. If you know that ...

This is a painting that dates back thousands of years to Ancient Egypt. Artworks like this tell us a lot about the time and place that they come from. This painting shows a farmworker using a shaduf.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Egypt’s Great ...

At 4,130 miles (6,650 km) long, the Nile in Africa is the longest river in the world. Some people consider the Amazon in South America to be longer. This is because the many hundreds of channels ...