[extropy-chat] Elderly crucial to evolutionary success of humans

[Adrian Tymes]

--- BillK <pharos at gmail.com> wrote:
> So the whole of our modern civilization can be put
> down to crotchety old 
> folk saying "You really don't want to do that" to
> long-haired youngsters 
> wearing flares and playing with matches.  :)

Actually, this study's definition of "old" was but 30
years old - well within childbearing years.  (Quite a
number of people these days wait that long or longer
to
have their first child, but that's a different story.)
So it could be that they just had that much longer to
reproduce.