Many years ago there was a BC cartoon, where Peter was asked, "Did you know no 2 snowflakes are identical?"
He goes off curiously picking snowflakes out of the air, taking a look, then tossing them over his shoulder.....then suddenly he stops with a startled look at the one in his hand, turns, and makes a frantic leap toward where he tossed the last one. Makes you think....


here is one on that general theme