Seen a drawing of one.
Are you saying they evolve into something on their own? What to?
Seen a drawing of one. Are you saying they evolve into something on their own? What to?
But I suspect that WildTurkey's actual point had to do with the fact that you've never seen a neutron either, but they provably exist -- just like the evolutionary events you've never personally witnessed.
I bet you've seen drawings of space aliens, also.