Beyond their immediate functional advantages, saber teeth provide a window into the complex trade-offs of evolution. Canine teeth must be sharp and ... by The Brighter Side of News.

They're actually the longest teeth in the human mouth. So what are these long, sharp teeth doing among our short, stubby ones? Well, contrary to popular belief, it's not for tearing and ripping meat.

They're actually the longest teeth in the human mouth. So what are these long, sharp teeth doing among our short, stubby ones? Well, contrary to popular belief, it's not for tearing and ripping meat.