A Brain Surgeon

Zapping parts of the brain to know where to cut, operating a mouth-controlled microscope that's worth more than a house, and carrying the weight of life-or-death decisions with Dr. Alfredo Quiñones-Hinojosa, a brain surgeon at the Mayo Clinic. How do you preserve a mathematician's expertise when removing tumors? And how did he go from picking tomatoes to performing brain surgery? Dr. Q wrote about his remarkable journey to the operating room in the book, Becoming Dr. Q: My Journey from Migran...