The Jungle Book author Rudyard Kipling did explain how the leopard got its spots and camel its hump, but he never answered how the zebra got its stripes.
Let's see if you are familiar with the very basic words of the German language. Go through the intuitive questionnaire and build up your knowledge profile.
Our planet is one of the kind in the solar system, too bad we sometimes tend to forget how unique it really is. Find out if you know some interesting and basic facts about the planet Earth.
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.
Zeppelins are making a comeback and rightfully so. They are capable to carry vast amounts of cargo, they don't require costly airports and their fuel consumption is only one third of a conventional cargo plane.
