That slightly open mouth while concentrating. The subtle parting of lips during sleep. The tendency to breathe through your mouth instead of your nose during exercise. These seemingly innocent ...

A black woman looking to renew her passport has had her picture rejected as the online facial recognition technology confused her lips for an open mouth. Elaine Babey submitted a photo on the gov ...

A black man hoping to renew his passport online was stunned when the automated photo checker mistook his 'big lips' for an open mouth. The facial detection system informs people when it thinks the ...

Why is it that when you blow air out of your mouth with pursed lips, the air is cool to the touch, but when you exhale with your mouth wide open, the air is warm? asks Samir El-Sawaf, a student in ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

Here's what to know about mouth taping. Mouth taping for sleep involves placing a porous tape over both lips so you can’t open your mouth at night, according to the Sleep Foundation. One of the ...

New research shows that people respond the most positively to vowel-like bursts issued from an open mouth – the types of loud "ha-has" heard on the laugh tracks of sitcoms or from Sesame Street ...