Although it has been known for almost half a century that migratory birds can detect the
direction of the Earth's magnetic field, the primary sensory mechanism behind this …

Although language, and therefore spoken language or speech, is often considered unique
to humans, the past several decades have seen a surge in nonhuman animal studies that …

Humans possess an extraordinary capacity for cultural production, from the arts and
language to science and technology. How did the human mind—and the uniquely human …

Some birds achieve primate-like levels of cognition, even though their brains tend to be
much smaller in absolute size. This poses a fundamental problem in comparative and …

Birds are the most species-rich class of tetrapod vertebrates and have wide relevance
across many research fields. We explored bird macroevolution using full genomes from 48 …

INTRODUCTION Vocal learning, the ability to imitate sounds, is a trait that has undergone
convergent evolution in several lineages of birds and mammals, including song-learning …

Vocal learners such as humans and songbirds can learn to produce elaborate patterns of
structurally organized vocalizations, whereas many other vertebrates such as non-human …

Quantum mechanics provides the most accurate microscopic description of the world around
us, yet the interface between quantum mechanics and biology is only now being explored …

Complex vocal learning, a critical component of human spoken language, has been
assumed to be associated with more-advanced cognitive abilities. Tests of this hypothesis …

Stuttering is a complex neurodevelopmental disorder that has to date eluded a clear
explication of its pathophysiological bases. In this review, we utilize the Directions Into …