so as an atheist you do not believe in God, so how do you explain the universe being made, the earth being formed, and mankind including animals being created???
you say that anything that can be known can be understood...we know humans but they are not fully understood, no one can ever fully understand "man" no two people are the exact same.. then you say that anything that can be understood can be reproduced...since "man" is not understood fully, but...