"Obviously, we’re all women. Seven of us are still capable of having babies. Or, to be specific, of producing eggs. So, where can we get some sperm? Well, ninety-seven percent of what was sent up from Earth was destroyed in the disaster on the first day of the Hard Rain. What survived, survived because it had already been distributed among ten different arklets. All ten of those later ended up going off with the Swarm. None of that material, however, seems to have made its way here."