Recommended Videos
National Geographic‘s amazing video on human population milestones in 2011 took us by surprise.
After all, the world’s population reached 6 billion when I was in middle school. Â That wasn’t that long a-
Oh god it was more than ten years ago.
(By the way, we highly recommend watching in HD and fullscreen.)
(via Sociological Images.)
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Published: Jan 2, 2011 05:26 pm