Category Archives: sub-Saharan Africans

Let’s Get Small

Posted on September 15, 2014 by gcochran9

I said earlier than it seemed likely that archaic hominid living in special environments, for a long time (sometimes more than a million years) inevitably developed high-quality adaptations to those environments, and since such alleles are easily transmitted, modern humans … Continue reading →

Posted in Altitude adaptations, Bushmen, Denisovans, Mangani, Pygmies | 31 Comments

The Time Before

Posted on June 4, 2014 by gcochran9

Although we’re still in an ice age, we are currently in an interglacial period.  That’s a good thing, since glacial periods are truly unpleasant – dry, cold, low biological productivity, high variability. Low CO2 concentrations made plants more susceptible to … Continue reading →

Posted in Bushmen | 58 Comments

Gambia

Posted on September 17, 2012 by gcochran9

We’ve been gathering info on average paternal age in different societies: here’s some for some rural villages in Gambia, from an article by Ruth Mace. This shows age-specific fertility for males and females over the lifespan.  The average paternal age … Continue reading →

Posted in Genetics, sub-Saharan Africans | 43 Comments