While trait positive emotionality and state positive-valence affect have long been the subject
of intense study, the importance of differentiating among several “discrete” positive emotions …

Any account of “what is special about the human brain”(Passingham 2008) must specify the
neural basis of our unique ability to produce speech and delineate how these remarkable …

The groundbreaking theory of how fire and food drove the evolution of modern humans Ever
since Darwin and The Descent of Man, the evolution and world-wide dispersal of humans …

In this ground-breaking book, Alan Prout discusses the place of children and childhood in
modern society. He critically examines' the new social studies of childhood', reconsidering …

We present a new haplotype-based statistic (nS L) for detecting both soft and hard sweeps
in population genomic data from a single population. We compare our new method with …

A refined physical map of chromosome 17q21. 31 uncovered a 900-kb inversion
polymorphism. Chromosomes with the inverted segment in different orientations represent …

A recent dispersal of modern humans out of Africa is now widely accepted, but the routes
taken across Eurasia are still disputed. We show that mitochondrial DNA variation in isolated …

The age of menarche has fallen as child health has improved. Although there is ample
evidence of delayed puberty being associated with poorer childhood nutrition, menarche is …

Why do we behave the way we do? Biologist Paul Ehrlich suggests that although people
share a common genetic code, these genes" do not shout commands at us... at the very …

Human cognitive abilities are extraordinary. Our large brains are significantly modified from
those of our closest relatives, suggesting a history of intense natural selection. The …