- Dec 2011

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December 23rd, 2011

Nature vs Nurture

December 23, 2011

The phenomenon of sociability in primates, including our own species, is examined in a paper published in Nature last month and discussed in the science section of the New York Times this week.The social brain hypothesis - “... that intelligence and brain volume increase with group size because individuals must manage more social relationships” (quoted from the New York Times) - is challenged in this new paper.

December 19th, 2011

Fascinating Finds From South Africa

December 19, 2011

Reports from South Africa in recent months have shed new light on the activities of members of our species at critical junctures in human evolution.  The first of these was a series of papers elaborating upon the initial announcement of the discovery of a new species(Au. sediba) which is said to be possibly an example of early Homo; this was followed by further evidence of the use of ochre as decoration; and in the past two weeks evidence of using tree boughs as bedding material.