Kids are fascinated by sharks. Although they aren’t likely to come face-to-face with one of their favorite animals in the wild, they can touch these animals—without even getting wet. Your family can ...

Trying to find a good video for your little ones to watch on YouTube can be a challenge. Even if you limit the search to YouTube Kids, there’s so much out there. How can you determine what’s good and ...

Your teeth wouldn’t do much against a woolly mammoth. But a saber-toothed cats’ teeth — those were perfectly evolved to take down such giant prey. All animals’ teeth evolved to help them survive.

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 ...