TOK Topics

“On July 29th, 1985, a 36-year-old woman named Penny Beerntsen went for a jog on the beach near her home. About a mile into her run, she passed a man in a leather jacket, said hello and kept running. On her way back, he re-appeared. What happened next would cause Penny to question everything she thought she knew about judging people — and, in the end, her ability to be certain of anything.”

http://www.radiolab.org/story/278180-reasonable-doubt/