In principle, the function of major histocompatibility complex (MHC) molecules is simple: to
bind a peptide and engage a T cell. In practice, placing this function within the context of the …

This paper's theme is that analogies drawn from the cercopithecine tribe Papionini,
especially the African subtribe Papionina (baboons, mangabeys, and mandrills), can be a …

Page 1 Christopher Boehm Moral origins The Evolution of virtuE, Altruism, and shAmE
Page 2 MORAL ORIGINS Page 3 ALSO BY CHRISTOPHER BOEHM Hierarchy in the …

I present a new statistical method for analysing the relationship between two discrete
characters that are measured across a group of hierarchically evolved species or …

An accurately resolved gene tree may not be congruent with the species tree because of
lineage sorting of ancestral polymorphisms. DNA sequences from the mitochondrially …

Sialic acids are important cell-surface molecules of animals in the deuterostome lineage.
Although humans do not express easily detectable amounts of N-glycolylneuraminic acid …

Killer whales (Orcinus orca) currently comprise a single, cosmopolitan species with a
diverse diet. However, studies over the last 30 yr have revealed populations of sympatric …

Even before the publication of Darwin's Origin of Species, the perception of evolutionary
change has been a tree-like pattern of diversification-with divergent branches spreading …

Human hands are distinguished from apes by possessing longer thumbs relative to fingers.
However, this simple ape-human dichotomy fails to provide an adequate framework for …

NEURONS in the primary visual cortex (VI) respond in well defined ways to stimuli within
their classical receptive field, but these responses can be modified by stimuli overlying the …