A scientific dispute spanning six decades about fundamental mechanisms of visual perception in mammals has now been settled.

When you look at two objects close to you such as two leaves, it's easy to tell them apart but when they are farther away from you, they become difficult to distinguish. The two objects become ...

The team behind the study created what might be the most accurate mathematical representation of photoreception ever.

The other day, I was engaged in a philosophical discussion group about how to divide up the human mind. Initially, it was proposed that we could divide our minds into four categories of thinking, ...