Dating the tree of life is a core endeavor in evolutionary biology. Rates of evolution are
fundamental to nearly every evolutionary model and process. Rates need dates. There is …

Molecular data have converged on a consensus about the genus-level phylogeny of extant
platyrrhine monkeys, but for most extinct taxa and certainly for those older than the …

New World monkeys (Platyrrhini) appeared suddenly in South America in the middle
Cenozoic. Little is certain about their origin, but theories include an African source, either by …

Abstract The middle Eocene species Caenopithecus lemuroides, known solely from the
Egerkingen fissure fillings in Switzerland, was the first Paleogene fossil primate to be …

Objectives Maximum ingested food size (Vb) is an empirically tested performance variable
that can shed light on feeding energetics and adaptation in the masticatory system. Until …

Molecular data have become an important source of evidence on primate evolutionary
history, particularly when the fossil evidence is limited or lacking. The most recent molecular …

New specimens of the large anthracothere Bothriogenys andrewsi from Quarry L-75, and
from another unnumbered locality are described. Both of these localities are near the top of …

RNA interference (RNAi)–based drugs harness endogenous posttranscriptional gene
silencing pathways for therapeutic purposes. The goal is to turn down or shut off the …

Trichromatické vidění je barevné vidění realizované třemi typy čípků. Většina savců má
dichromatické vidění, trichromatické vidění se objevuje u primátů Starého světa (včetně …