In a hilarious Instagram video from @itsmarinaachris, a 5-month-old baby girl sits on a carpet in a onesie, reacting differently when her mom and dad sneak up on her. She looks calm and totally in her ...

Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while herbivores tend to have flatter teeth to grind down their plant-based meals. Some ...

The cuteness of babies has no match, especially if they have chubby cheeks. This Instagram video is the perfect example of how people react when they see a tiny tot with the chubbiest cheeks of all ...

Like most mammals, humans are diphyodont: We have two sets of teeth – baby teeth and adult teeth. The technical term for our baby teeth is deciduous teeth because they fall out, the same way deciduous ...