The whites of your eyes are not an accident. They are, scientists now believe, one of the most sophisticated social ...

Why the Latest Science Leads Us to a New Theory of Human Nature, by Jonathan Leaf (Bombardier, 320 pp., $21) Ever since Darwin, biologists have believed that much could be learned about human nature ...

Purchased with funds from the S. Dillon Ripley Endowment. Cover -- Cortical Evolution in Primates -- Copyright -- Dedication -- Contents -- List of figures and tables ...

1. Introduction / Tracy L. Kivell, Pierre Lemelin, Brian G. Richmond, and Daniel Schmitt -- 2. On primitiveness, prehensility, and opposability of the primate hand : the contributions of Frederic Wood ...

The order Primates consists of not only our closest relatives on earth, the seven great apes, but also over 450 species of monkeys, lemurs, lorises, and galagos. Primates are fantastically diverse, ...

For decades, biology textbooks have taught us that primates — the group that includes monkeys, apes, and humans — originated in warm tropical rainforests. But a study published in the journal PNAS by ...

Longer thumbs mean bigger brains and this is “pivotal” to human evolution, research has found. Scientists studied 94 fossils and living animals to understand how our ancestors developed their gripping ...

Longer thumbs mean bigger brains and this is “pivotal” to human evolution, research has found. “Large brains and dexterous hands are considered pivotal in human evolution, together making possible ...

You might find the lemur mongoose in Madagascar and the raccoon in the deciduous forests of North America, but they have one important thing in common: both species spend a lot of time climbing trees.

The extinction of dinosaurs about 65 million years ago helped create an environment where fruits could thrive, leading to the evolution of primates, a new study has found. The new study, published in ...