The latest video on Periodic Table of Videos deals with asthma.
More importantly, it explains the active ingredient in many inhalers (Salbutamol) and how it works.
I asked viewers to contribute pictures of their inhalers to use in the video... I only used one, but thought I'd use the blog here to share the others.
I usually appeal for viewer pictures via Twitter and Facebook - so follow us there!
An interesting piece of trivia about this final one...
I asked the sender (Pat) why the background periodic table was back-to-front.
Pat replied: "That's just a matter of laziness, haha. I have a mirror on my wall, and I just look at that instead of turning around."
Here's the video: