From baby teeth to ‘conveyor belt’ molars, here’s why humans—and other mammals –grow and replace their teeth in such ...

Video by @zookeeperguyHippos have four canines one in each corner in the front of their mouth. But if you look along here, you can see that they’re not the same. The big lower canines, those is the ...

The mom of two frequently posts photos of her two adorable daughters — Ocean and 3-month-old Sosa Kent — to Instagram. But, some of her Instagram followers noticed that Ocean's two front teeth are ...