were shot by Dr. Ann Chambers and her colleagues at the University of Western Ontario using a microscope outfitted with a video camera. In many of the clips, you'll notice the camera focus changing.

However the springed clip had no trouble stretching far enough to clamp the microscope mount to my iPhone. Once the spring-mounted stretch clip has been firmly clamped to your smartphone you ...

No prizes for guessing the first thing you'll need: a microscope. But don't worry if ... Be careful pushing it under the clips that the cover slide doesn't move or crack. Select the lowest power ...

Celia: So, we wanna pull up the first clip. Portela: OK ... And you can see those on your microscope, that you have some dilated pores, and they have a material in them that's sebum, is what ...