formatting link
"The Large Hadron Collider near Geneva will be shut off until spring
2009 while engineers probe a magnet failure.
"The incident on 19 September caused a tonne of liquid helium to leak out into the experiment's 27km-long tunnel."
That would fill quite a few party balloons. Probably enough for one for every kid on the planet. I don't think scientists are in the position to complain about wasted helium.