A baby's laugh is unmistakable, but aside from its squealing, high-pitched quality, there's another factor that sets a baby's laugh apart from ours: babies laugh on the exhale and on the inhale. Whereas adult humans "tend to laugh predominantly on the exhale. The classic kind of 'ha ha ha.'" Disa Sauter, a psychologist who studies emotions at the University of Amsterdam.
Better Call Saul