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.
If you found yourself in a position where you wanted to crop a certain photo into a perfect square but you just couldn't figure it out how, than this tutorial is for you.
It has been more than 100 years since scientists found a new river dolphin species and now they believe they found it in one of the rivers of the vast Amazon forest in Brazil.