Intelligence has been defined in many ways: the capacity for abstraction, logic, understanding,
The … See more

The word intelligence derives from the Latin nouns intelligentia or intellēctus, which in turn stem from the verb intelligere, to comprehend or perceive. In the Middle Ages, the word intellectus became the scholarly technical te… See more

The definition of intelligence is controversial, varying in what its abilities are and whether or not it is quantifiable.
In 1994 the "Mainstream Science on Intelligence" was published, as an op-ed statement i… See more

Although humans have been the primary focus of intelligence researchers, scientists have also attempted to investigate animal intelligence, or more broadly, animal cognition. These researchers are interested in studying … See more

It has been argued that plants should also be classified as intelligent based on their ability to sense and model external and internal environments and adjust their morphology, physiology and phenotype accordingl… See more