Did you hear last week’s big news: The human kiss is older than experts thought. It goes back at least 4,500 years, which is 1,000 years earlier than previously believed! I was pretty sure kissing ...

It’s always been true that some families are more physically affectionate than others. But what happens when some family members want to be touchy-feely, while others want to draw boundaries against ...

Smack! Smack! Smack! Hearing this coming from your baby’s mouth can be a little disconcerting. As a parent or caregiver, you expect your little one to smack their hand on the table or bang their toys, ...

Two recent studies based at Princeton University suggest that the oral-facial component of human speech evolved from lip smacking, a friendly back-and-forth gesture performed by primates. The studies ...