Kris Freeman, the U.S.’s top male distance skier, will have a cutting-edge on-board computer system implanted into his skull this summer, completing his transformation into a race-winning cyborg. Freeman, a type one diabetic, has been racing for the last year with the help of two devices: a continuous glucose monitor and an insulin pump. Those products have helped him render the effects of his disease all but moot. But the computer, constructed by his longtime...
