This episode of Skeptoid - http://skeptoid.com/episodes/4036 http://skeptoid.com/episodes/4036 - discusses this very video and concludes that what we're actuall

This episode of Skeptoid - http://skeptoid.com/episodes/4036 http://skeptoid.com/episodes/4036 - discusses this very video and concludes that what we're actually seeing in the video is water vapour (since mercury vapour is much heavier than air, why is it rising in the video?).