Rochester mating and dating
One broad study of African genetic diversity completed in 2009 found that the San were among the five populations with the highest measured levels of genetic diversity among the 121 distinct African populations sampled.
The San are one of 14 known extant "ancestral population clusters".
The historical presence of the San in Botswana is particularly evident in northern Botswana's Tsodilo Hills region.
In this area, stone tools and rock art paintings date back over 70,000 years and are by far the oldest known art.
Representatives of the people from WIMSA and the South African San Institute attending the 2003 Africa Human Genome Initiative conference held in Stellenbosch reiterated that they prefer to be described by either their individual group names or the collective term San.
The San kinship system reflects their interdependence as traditionally small mobile foraging bands.
Director Richard Brooks felt the need to intervene because he feared Lancaster was going to "take Lee Marvin by the ass and throw him off that mountain".
Traditionally, the San were an egalitarian society.San kinship is comparable to Eskimo kinship, with the same set of terms as in European cultures, but also uses a name rule and an age rule.The age rule resolves any confusion arising from kinship terms, as the older of two people always decides what to call the younger.Most plants still are dead or dormant, and supplies of autumn nuts are exhausted.Meat is particularly important in the dry months when wildlife can not range far from the receding waters.