Despite assertions to the contrary scientists, social scientists, educators and professionals in many fields have found the term intelligence to be both a useful concept and one that can be used in conjuction with explanations related to research. The evolution of intelligence is discussed in some papers. Sometimes the evolution of intelligence is explained by theories of complex animal behavior. On other occasions in terms of nutrition.
Intelligence is at times alluded to indirectly as in: One signal from light-years away could prove we're not alone in the vastness of space"”and alter humanity's view of our place in the universe. Extensive scholarly use of the word intelligence is testimony that the concept confers explanatory utility.