You're driving down the turnpike. That painful pressure below your navel has grown too intense to ignore. A blue sign flashes through your headlights, a rest stop. You pull in and walk to the public bathroom. A row of stalls stretches from wall to wall. Which should you choose?
Most of us enter this situation armed with nothing but our eyes, noses, and intuitions. But science can help. Research suggests you should avoid the middle stalls at all costs. Here's why.