Every day, 24 hours, 365 days a year. For the most part, the world lives on a 24-hour clock. You may have heard of a sketch a day or other everyday projects like the crypto art record-breaking sale of Beeple's Everydays, in which Beeple created an image from start to finish every day for thirteen years. We look at completeness in terms of the 24-hour circadian clock--the man's clock. Testosterone is highest in the morning--notice...