A group of scientists set out to find out just what makes someone cool. The researchers from the University of Rochester Medical Center in New York, surveyed over 500 people from age 15 to 56. (I guess anyone older isn’t considered cool.)

And the words that they kept hearing associated with the concept of cool were: confident and popular, indicating a level of social desirability; a detached, effortless attitude, unflappable, defined by a type of emotional control; rebelliousness, but not in an overt sense, but rather an ironic, amused way indicating an “I don’t care” attitude; and, an admirable, rather than obnoxious, air of arrogance.

Ultimately, there are two types of cool–edgy cool and just regular cool. The former, being jazz musician cool, the latter, politician cool.