The duration of human maturation has been underestimated; an additional 4–6-year pre-
adult period of “emerging adulthood,” should be included in models of human maturation. It …

Background Until recently, the evolution of the genus Homo has been interpreted in the
context of the onset of African aridity and the expansion of open grasslands. Homo erectus …

The duality of the skeleton as both a biological and cultural entity has formed the theoretical
basis of bioarchaeology. In recent years bioarchaeological studies have stretched the early …

Demographic data on wild chimpanzees are crucial for understanding the evolution of
chimpanzee and hominin life histories, but most data come from populations affected by …

According to current evidence, Homo sapiens was unable to survive on a diet of raw wild
foods. Because cooked diets have large physiological and behavioral consequences, a …

The Primate Origins of Human Nature (Volume 3 in The Foundations of Human Biology
series) blends several elements from evolutionary biology as applied to primate behavioral …

The life history of Homo sapiens is characterized by a lengthy period of juvenile
dependence that requires extensive allocare, short interbirth intervals with concomitantly …

Modern humans are an anomaly in evolution, and the final key features occurred late in
human evolution. Ultimate explanations for this evolutionary trajectory are best attained …

The “expensive brain” framework proposes that the costs of an increase in brain size can be
met by any combination of increasing the total energy turnover or reducing energy allocation …

Models for the origin of the genus Homo propose that increased quality of diet led to
changes in ranging ecology and selection for greater locomotor economy, speed, and …