A good rule to go by in life is to avoid any animal that has figured out how to wield a knife. This guy clearly never got the memo as he faces down a crab wielding a blue handled knife on the sidewalk. We're not sure where the crab got the knife or where it learned to use it, but we're pretty ...

If you thought those Facehugger's from the Alien movies didn't actually exist, then you might not want to visit Hawaii anytime soon. That's because the state is home to a species of caterpillar that prefers to eat other insects more than plants. The strange-looking caterpillar makes use of its ...