Absolutely nothing in this world compares to the sound of a joyous baby's giggles, and this video is a delightful example of it. Shared by Dale, this endearing clip features him making his baby ...

Among humans, laughter can signify a lot of different things, from intimacy to discomfort. Among animals, however, laughter usually communicates something along the lines of “this is playtime—I’m not ...

College Park, MD (October 3, 2001)-Humans have many ways to express themselves, but one of the most enjoyable-and mysterious-is laughter. More than a frivolous emotional outburst, laughter has many ...