Getting concussed is usually obvious: there's dizziness, headache and confusion. The symptoms appear after a blow to the head or body and temporarily disrupt brain function.
Officials are moving behind the scenes to head off a conflict brewing between states and the federal government over regulating AI.
Could the geometry of our brains increase the risk of Alzheimer’s disease? It’s a provocative question, but one that some scientists are beginning to explore.
Two-year-old conjoined twin sisters saw each other face-to-face for the first time after a successful 24-hour surgery to separate them. Ian Lee reports from the children's hospital in St. Louis, where it happened.
