We now know there is at least one tube, and perhaps much much more. In terms of mostly figured out I think we are still below 1% of what we may know in 2100 ab

We now know there is at least one tube, and perhaps much much more. In terms of mostly figured out I think we are still below 1% of what we may know in 2100 about the body. Michael Murphy wrote a very interesting book "The History of the Body" in 1993 http://www.amazon.com/The-Future-Body-Explorations-Evolution/dp/0874777305 http://www.amazon.com/The-Future-Body-Explorations-Evolution... curating a number of observations on the potential extent of our capabilities.