Albert Einstein (1879–1955) once famously said, “No amount of experimentation can ever prove me right.” Actually, he was wrong about that: for the first time, researchers have detected gravitational waves—the trace of a cosmic cataclysm that occurred more than a billion years ago when two black holes collided with each other. Einstein predicted the existence of gravitational waves a century…

Was Albert Einstein (1879–1955) really one of the smartest people who ever lived? Judging by his corpus callosum, he probably was. These words don’t exactly roll off the tongue, and they are not in most people’s vernacular, but corpus callosum is a dense network of nerve fibers that join the brain’s right and left hemispheres. According to a new study…