Sports fans see it all the time: two people arguing about a split-second difference in who did what. New research suggests human beings have a bias to perceive their own actions as happening sooner.
We rely on depth to perceive objects, but not all of us see depth in the same way.
It's a psychological quirk that when something becomes rarer, people may spot it in more places than ever. What is the 'concept creep' that lets context change how we categorize the world around us?