From spotting a small irregularity in a crosswalk to recognizing subtle changes in a patient’s behavior, visual intelligence ...

Kids learn that their eyes can play tricks on them when they are exposed to a variety of mind-boggling optical illusions. As adults, we are befuddled by a different type of visual illusion. It turns ...

Seeing has not been believing for a very long time. Photos have been faked and manipulated for nearly as long as photography has existed. Now, not even reality is required for photographs to look ...

This makes it appear correspondingly smaller through a telescope—infinitesimally smaller, in fact, appearing as only a point ...