The world of animals is still full of secrets. Some facts are so surprising that many ... In fact, spending most of their lives underground they hardly need it. Their eyes are 1 mm in diameter ...

Other interesting facts about sloths are ... Summary of the 9 Most Interesting Animals in the World Let’s recap 9 animals we found to be some of the most interesting on our planet: Sharks ...

Grizzly bears, for example, are a subspecies of brown bear found in parts of North America. There are many different ...

LONDON -- We might think most animals have simple ... "And it’s more fun to tell people about the sad facts, because we’re bombarded with the happy facts when we’re growing up.

Corals are animals, but many are powered by the tiny photosythetic algal plants within their cells; with this energy they are capable of building geological structures. Most corals are colonial ...