The Huck Institutes of the Life Sciences

Living African group discovered to be the most populous humans over the last 150,000 years

New genetic research reveals that a small group of hunter-gatherers now living in Southern Africa once was so large that it comprised the majority of living humans during most of the past 150,000 years.
http://science.psu.edu/news-and-events/2014-news/Miller12-2014/?utm_source=huck.psu.edu&utm_medium=referral&utm_campaign=Huck%20Website