I've also never seen more than one skill.

Though kids born late in the game may have more skill (if the parent was a master) than kids born earlier.

I've always felt bad for the kids born with research skills after all the researching was done.
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Red Sox--2007 World Champions!
Celtics--2008 NBA Champions!

Isola is a magic island! All sorts of strange things can happen, and often do happen. -- arnie