Falling asleep with our mouths open happens to all of us and many think it isn't such a big deal. However, there are some eye-opening things connected to open-mouth sleeping. Our facial muscles tense ...

Dolphins are known for what appear to be big, contagious smiles. But do they actually, well, smile? The answer, according to a new study of dolphin play, is a resounding “maybe.” Dolphins use their ...

I don’t remember if I used to sit around with my mouth open before I lost my sight, but maybe I started doing it after I went blind so I could get a tiny little edge in the hearing department. Sconce ...

A sleeping baby is one of the calmest sights for new parents. When your little one is at rest, you can examine those little fingers and toes. You can soak in their sleepy eyes and wiggly nose. You ...

Dolphins living in captivity often make an open-mouth facial expression while playing with each other. Zoomarine, Italy Bottlenose dolphins “smile” at each other while playing, making open-mouth ...