Today’s children and adolescents are immersed in both traditional and new forms of digital
media. Research on traditional media, such as television, has identified health concerns and …

Importance Cerebral palsy describes the most common physical disability in childhood and
occurs in 1 in 500 live births. Historically, the diagnosis has been made between age 12 and …

The scale of human cooperation is an evolutionary puzzle. All of the available evidence
suggests that the societies of our Pliocene ancestors were like those of other social primates, …

… Richerson and Boyd illustrate here that culture is neither … them—Richerson and Boyd
convincingly demonstrate that … that we have come to expect from the Boyd/Richerson stable.”—…

How do biological, psychological, sociological, and cultural factors combine to change societies
over the long run? Boyd and Richerson explore how genetic and cultural factors interact…

… The research described in this paper was funded by the MacArthur Foundation’s Research
Group on the Nature and Origin of Norms and Preferences, directed by Robert Boyd and …

… g R is the SRS gain factor, and I 0 is the input intensity of the pump field. For ω 1 < ω 0 (ω
1 > ω 0 ), the ω 1 field is termed the Stokes (anti-Stokes) field, and it experiences exponential …

… Boyd has also co-authored an introductory textbook in biological anthropology, How Humans
Evolved, with his wife, Joan Silk, … His graduate textbook written with Robert Boyd, Modeling …

… The most recent evolution, LIWC2015 (Pennebaker, Booth, Boyd, & Francis, 2015), has
significantly altered both the dictionary and the software options. Importantly, the LIWC2015 …

The nature and organization of facies within incised-valley estuaries is controlled by the
interplay between marine processes (waves and tides), which generally decrease in intensity up-…