> spiznet wrote:
> > So,
> > this raises the possibility of groups of h.e. or h.s. 3-6 year olds
> > running down the slow herbivores,herding them so that their older
> > siblings/parents could club them to death in a dead end!!
> > By the time these kids were 12 or so they were ready to setle down and
> > make some babies! But they had thick leg bones, I'd bet!!
> > I think this explains the sportmanship/politico/killer aspect of
> > humanity better than JMcGinn's theory.
> It explains why 12 year old girls menstruate.
> Not really, but it doesn't contradict anything.
Wait a minute, I think it does.
There's some relation bewteen primary amenorrhea,
and athletic activity, but I think it's complicated.