When foraging for nectar many insects exhibit flower constancy (a preference for flower species which they have previously visited) and frequently ignore rewarding flowers of other species. Darwin ...

Since Darwin's time, the phenomenon known as flower constancy -- i.e., where insects consistently visit the same flower type even when many others are also present -- has been understood as a passive ...

Source: Carl Pickhardt Ph. D. Both for young person and parent, adolescence is an honorably conflicted time. On the most basic level, the core conflict (endlessly varied) is between Constancy (holding ...

Even when we consciously know two lines are the same length, why can't we help seeing them as different? ILLUSIONS are anomalies that can reveal clues about the mysterious workings of the brain to ...

In the natural world, many situations exist in which a percept remains constant in the presence of profound changes in the physical stimulus affecting the sensory receptors. Some of the most ...

Source: Carl Pickhardt Ph. D. Both for young person and parent, adolescence is an honorably conflicted time. On the most basic level, the core conflict (endlessly varied) is between Constancy (holding ...