Doesnt anyone watch National Geographic channel? (Score 1)

Or the Science Channel or the History Channel? Can you say Toba? http://en.wikipedia.org/wiki/Toba_eruption The show, which has been on several times on one of these channels, associates this narrowing of our species genetic lineage with this super volcanic event. Forget asteroids, it is Yellowstone or something like Toba that is going to do us in.