Livre arbítrio? Pense duas vezes...

Your Belief in Free Will Depends on Whether You Need to Pee: Something as small as needing to use the bathroom seems to be enough to remind us how much of our waking hours are devoted to attending to the physical needs of these bone-and-muscle sacks we're dragging around. And these momentary reminders, the authors argue, can make us a little less sure about how much control we have over our own lives.