Daily torpor and hibernation are the most powerful measures of endotherms to reduce their
energy expenditure. During entrance into these torpid states metabolic rate is suppressed to …

The pituitary adenylate cyclase-activating polypeptide (PACAP)/glucagon superfamily
includes nine hormones in humans that are related by structure, distribution (especially the …

Humans are a striking anomaly in the natural world. While we are similar to other mammals
in many ways, our behavior sets us apart. Our unparalleled ability to adapt has allowed us to …

Beim Studium der jüngeren Kontroversen über den Darwinismus fiel mir wiederholt auf, das
sie falsche Darstellungen enthielten, so als würde es sich um irgendetwas Umfassenderes …

Winner, 2010 PROSE Award for Excellence in the Biological Sciences. Professional and
Scholarly Publishing division of the Association of American Publishers In this unique book …

Charles Darwin's experiences in the Galápagos Islands in 1835 helped to guide his
thoughts toward a revolutionary theory: that species were not fixed but diversified from their …

Taphonomy plays diverse roles in paleobiology. These include assessing sample quality
relevant to ecologic, biogeographic, and evolutionary questions, diagnosing the roles of …

Summary 1 Ecologically significant evolutionary change, occurring over tens of generations
or fewer, is now widely documented in nature. These findings counter the long‐standing …

Competing hypotheses for the timing of the placental mammal radiation focus on whether
extant placental orders originated and diversified before or after the Cretaceous-Tertiary …

In recent years, avian systematics has been characterized by a diminished reliance on
morphological cladistics of modern taxa, intensive palaeornithogical research stimulated by …