Clowns are scary to some, but apparently they’re invisible to most cellphone users. According to a study involving a unicycle, a clown, and 150 college students, cellphone users were half as likely as ...

Interesting study: Seventy five percent of people walking and talking on their cell phones failed to notice a purple-clad clown riding a unicycle near them. Poor Shriners. And poor conscientious ...

As [one researcher has] described it, our brain blinds our mind to the unusual. For instance, in one study, researchers put a clown on a unicycle in the path of pedestrians. The researchers asked ...