Life sciences/Organismal biology/Anatomy/Musculoskeletal system/Skeleton/Bones/Spinal column/Vertebrae
A new Neandertal skeleton suggests these ancient humans had an extended period of brain growth compared to modern humans.
The first concussion came playing football in high school, the second playing the game at Annapolis, and a third playing rugby. It meant the end of contact sports for U.S. Navy Captain and doctor James L. Hancock, but not the end of his risk for traumatic brain injury.