Your teeth play important roles in your daily life, but have you ever wondered how humans evolved to have them? Skin scales ...

Followers raved over Bailey's gorgeous grin and thanked her for spreading some joy. Related: Shih-Tzu's Stunned Face While ...

Moscow The “Smile to Pay” biometric payment service developed by Sberbank, Russia’s largest bank, has received worldwide recognition after an American blogger posted a video of herself using the ...