A psychologist explains the evolutionary and psychological roots of laughter, and what an infant’s giggles teach us about how adults bond.

Isn't it crazy how babies can do the same thing over and over again, and it's just as funny for them as the first time? For little Henry, that thing is dropping an envelope from his bouncer, and it's ...

Add Yahoo as a preferred source to see more of our stories on Google. There's something so special about our babies bonding with our fur babies. From a very young age, human babies form a strong ...