I found an interesting article about the supervolcano Lake Toba. This volcano erupted about 75,000 years ago and some scientists are saying that it may have taken our population down to 1000 to 3000 people, and may be the reason that the human race is not as evolved as it should be for its age. The article may not be that reputable but I'm sure there's more out there. I'll keep looking and may post something about it later.
http://www.medanku.com/lake-toba-north-sumatra/
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http://www.bbc.co.uk/science/horizon/1999/supervolcanoes_script.shtml
ReplyDeleteAbout 3/4 of the way down there is a chat with a Prof Lynn Jorde you might be interested in. It's the transcript from a reputable bbc science series.