there is more to diversity than the colour of our skin, but yes I would expect the more we're all crowding in on this mudball with lots of free travel between b

there is more to diversity than the colour of our skin, but yes I would expect the more we're all crowding in on this mudball with lots of free travel between boarders or bluring of borders the more we're going to all end up looking much like each other. Space may change that. we may end up with some very strange looking sections of humanity once we get into space.