Redheads are supposedly fiery, passionate people, but is there any truth to these stereotypes? Find out what studies have to say about redheads -- and if they'll really go extinct soon -- in this HowStuffWorks podcast.
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October 14, 2008
Will we soon be extinct?
Is Earth due for a mass extinction? Population ecologists think so. Check out this HowStuffWorks podcast to learn more mass extinctions.
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