In humans, heavy metal poisoning is generally treated by the administration of chelating agents. Some elements otherwise regarded as toxic heavy metals are essential, in small quantities, for human health.
Bolivian movie marathon 2011 â Photo: Giannina Machicado/La Prensa. Finally, this morning the longest movie marathon in history ended after 200 hours, 30 minutes and 50 seconds. The last two people left in the race, Ronald Cuellar (Santa Cruz) and Huber Felipez (Cochabamba), agreed to call it a draw and split the $10,000 prize.
The worldâs longest-running musical? This weekend, Les Miserables is celebrating its 21st birthday on the West End, claiming the crown of Londonâs longest ever run for a musical (The Mouse Trap, of course, is miles ahead, but is a straight play).