The role and importance of natural hybridization in the evolutionary histories of animal taxa
is still debated. This results largely from a history of zoological investigations that assumed …

Since Darwin situated humans in an evolutionary framework, much discussion has focused
on environmental factors that may have shaped or influenced the course of human …

Archaeological discoveries of teeth provide remarkable information on humans, animals and
the health, hygiene and diet of ancient communities. In this fully revised and updated 2005 …

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 …

The study of genetic exchange resulting from natural hybridization, horizontal gene transfer,
and viral recombination has long been marked by controversy between researchers holding …

Mammalian enamel formation is periodic, including fluctuations attributable to the daily
biological clock as well as longer-period oscillations that enigmatically correlate with body …

Incremental features of rhinoceros molar enamel were studied quantitatively on histological
slices. The different kinds of incremental features of enamel were related to one another and …

We studied the abnormalities in enamel microstructure associated with enamel hypoplasia
in human teeth from the early medieval (5th–7th century AD) cemetery of Barbing, Germany …

Teeth are one of the best preserved and most commonly recovered elements in primate
fossil assemblages. Taxonomic, functional, and phylogenetic hypotheses often rely on …

Early-life adversity affects nearly half of all youths in the United States and is a known risk
factor for psychiatric disorders across the life course. One strategy to prevent mental illness …