Ball lightning, captured at last!

Ball lightning, captured at last!  People have reported seeing ball lightning many times, dating back for centuries – but until now, nobody had ever captured it on film.  Now a group of Chinese researchers has captured ball lightning on video – and they had a spectrograph working at the same time!  This fortunate accident has already led to some interesting insights about the origin of ball lightning (dirt is involved :).  Unfortunately the video itself hasn't yet been released (or at least, it's hidden well enough that I couldn't find it)...