Scientists have long been intrigued by the surfaces of terrestrial bodies other than Earth that reveal deep similarities beneath their superficially differing volcanic and tectonic histories. A team ...

Certain nerve cells in the brain become active whenever they are confronted with different images or the name of a specific person or the identity of an object. They are highly selective and do not ...

A "concept" is a general, abstract idea that the human mind forms about a concrete or abstract object of thought. The term comes from the Latin cum capio: "to grasp together". It is an abstract ...