The Beauty of Genetics at work. A deep look into a species genetic sequence can unveil secrets and new information about the history of all living things.
Take a look at the above article about the Panda's genome. It's rather very interesting! Panda's eat bamboo - we all know that! But at some point in their evolution, panda's were carnivorous! Wow!
Heh - that's why I love biology - you never know what you'll discover. You ask one question, and in trying to answer it you are bombarded with another ten, all of which are more interesting than the original one!

