When I first scanned this article before reading it thoroughly through I thought it would be a fairly dry read. I was wrong. As they say, never judge a book by its cover. This is a splendid write-up. The Author does a wonderful job of making what might seem on the surface to be mundane truly interesting. Regrettably, the full study referenced is not available. Bummer. However, on the plus side of the equation, the inclusion of the video is a nice and welcome touch. It helps to provide further elucidation and information. Additionally, the original article (on which this one is based), which appeared in another publication, is linked to and is definitely worth a read as well. The included graphics here are good for context and there are even more at the aforementioned link. All in all a good piece of science reporting and definitely a worthwhile read. Five stars!