Tibet is a large mountainous plateau in Central Asia. It is often called the "roof of the world". Take this quiz and find out how much do you know about Tibet.
Sumo is a traditional Japanese sport where wrestler attempts to force another wrestler out of a circular ring. Take this quiz and find out how much you really know about this over 1000 years old sport.
Crows are one of the smartest birds around, but they don't stand a chance against lightning fast and agile falcons. Watch this amazing video to learn how falcons hunt in mid-air from their very perspective.
When two top of the line predators meet one would think the fight would last longer. But not this time, incredible footage by National Geographic showing Jaguar taking down the caiman.
Some websites overlay their photos and images with another blank image. But there's an easy way to download those pictures if you are using Google Chrome browser.
Fish are vertebrates, which are adapted to life in the aquatic environment. Fish are the most numerous group of vertebrates. The number of different species of fish is almost as much as all other vertebrates together.
