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.
If you've ever been a fan of The Simpsons, here's your chance to see all 552 episodes of the show in the longest single-series marathon in TV history. They'll be shown back to back, in sequential order, over 12 days and nights on the FXX cable network beginning Thursday. The Simpsons holds the record as the longest-running prime-time scripted entertainment series in American TV history.