Okay, it's things like this that really have to make you stop and wonder.
http://www.israel21c.org/bin/en.jsp?...one=Technology&
Israeli scinetists were studying a plant that's known to be particularly hearty in the Israeli desert, with the ability to go dormant for years, revived when rain finally comes. What did they discover? That the cells in the plant's roots are arranged in the shape of a perfect Star of David. They're even blue for crying out loud! Weird.