White spots appear on the teeth when the tooth’s enamel starts decomposing due to plaque. However, a wide range of cases can bring this erosion on and lead to decalcification. Here’s a quick overview ...

Every major version of Mac OS X macOS has come with a new default wallpaper. As you can see, I have collected them all here. While great in their day, the early wallpapers are now quite small in the ...