When someone has a stroke—a leading worldwide cause of death and disability—time is of the essence. Almost nine out of 10 cases are ischemic strokes, caused by restricted blood flow in the brain, and ...

Just a few weeks after conception, stem cells are already orchestrating the future structure of the human brain. A new Yale-led study shows that, early in development, molecular "traffic cops" known ...

A decades-old picture of how the brain builds its most complex structure turned out to be wrong in a fundamental way: the cerebral cortex doesn't grow from one flexible stem cell population that ...