The K-T extinction event wasn't the end of the world.
Just genetically engineer people to be more crocodilian.
(
Mudface The web isn't callipygian, Wed 28 Sep 2016, 6:57,
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The K-T wasn't even a particularly big one
Here's your doomsday scenario:
Permian -Triassic extinction event
(
evil_andy Stick stick stick stick sticky sticky stick stick, Wed 28 Sep 2016, 8:50,
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