Starfish, also known as sea stars, are equipped with an almost alien-like anatomy. Despite lacking a brain, blood, and ...

Graziano’s Attention Schema Theory posits the brain uses perception and memory to build consciousness as a simplified model ...

A new study reveals spaceflight physically shifts astronauts’ brains inside the skull, with changes lasting months after ...

Studies of brain injuries and electrical stimulation seemed to bear this out. Damaging the Broca’s area, for instance, interfered with speech, and stimulating specific tissues could lead to specific ...

The role for which a dog was bred—say retrieving birds—is reflected in their brain structure, according to a study of 33 breeds.

Sensitive hearing may have evolved in mammal ancestors far earlier than scientists once believed. By modeling how sound moved ...

Over 150 years ago, a fossilized organism known as Prototaxites emerged as an enigma regarding what early land life may have ...

Atrial fibrillation is one of the most common kinds of arrhythmia, causing the heart not to contract properly in order to ...

Animal survival depends on effective attack and defense strategies, yet how these behaviors arise remains unclear. Addressing this question, a recent study shows that predator and prey behaviors ...

University of California, Irvine and Philadelphia-based Jefferson Health researchers have identified fundamental structural and functional differences between two major causes of mitral valve stenosis ...

UC Irvine and Jefferson Health investigators identify distinct structural and blood-flow signatures in two major forms of mitral stenosis. Findings highlight limitations of applying rheumatic-based ...

Atrial fibrillation is one of the most common kinds of arrhythmia, causing the heart not to contract properly in order to pump the blood, which can ...