Stone Age Africa

The evolution of human sleep: Technological and cultural innovation associated with sleep-wake regulation among Hadza hunter-gatherers
DR Samson, AN Crittenden, IA Mabulla, AZP Mabulla – Journal of Human Evolution, 2017
example, when they were still foraging, the !Kung of the Kalahari (southern Africa) slept in 21
females (mean
age: 34.9 ± 14.3 years) and 12 males (mean age: 35.6 ± 14.7 Consistent with
validated actigraphic protocol (
Stone and Ancoli-Israel, 2011), where event marking was

Evolution of Hearing and Language in Fossil Hominins
RM Quam, I Martínez, M Rosa, JL Arsuaga – Primate Hearing and Communication, 2017
2010), and the discovery of stone tools that date to around 3.3 Ma (Harmand et al. 2015), which
predate the emergence of the genus Homo. A second genus of early human ancestor,
Paranthropus, is also found in both eastern and southern
Africa and can be distinguished from

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