Unless we become too stupid to build boats such a disaster isolation scenario would not isolate us long enough for humans to evolve into separate species. The only real way for this to happen is for us to colonize other planets or merge with machines or Genetically engineer our selves into new species.
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Michael
Life is the poetry of the universe.
Love is the poetry of life.
Nuclear is the only real option!
http://www.nuclearspace.com/Liberty_ship_menupg.aspx
Over heard from a three year old, "Daddy why do my toes get sticky when I eat strawberry jam?"
Never wrestle a troll. You both get dirty and the troll likes it
Proud graduate of Wossamotta University!
