The Longest Length of Time a Human Being Has Remained Awake According to the Most Official Records That We Have

Last week's winner was Dr. Bernardo Cemento, an internal medicine resident from Portugal. He knew the average propagation of speed of ultrasound through soft tissue in the body is approximately 1,540 meters per second. The first correct answer will receive a cool skeptical prize and I've just ordered a bunch of new types of cool skeptical prizes.