"For most of her life, Joy Milne had a superpower that she was totally oblivious to ," reports NPR. Long-time Slashdot reader doug141 explains what happened next:NPR tells the story of that test, which took place at the University of Edinburgh with a Parkinson's researcher named Tilo Kunath:Kunath says the ultimate goal is developing a new tool that can detect detect Parkinson's early. "Imagine a society where you could detect such a devastating condition before it's causing problems and then prevent the problems from even occurring."