For decades, entrepreneurs have tried to gather up potato-size rocks that carpet the global seabed. Known as manganese nodules, the rocks are plentiful in nickel, copper and cobalt, as well as manganese and other elements, but lie miles down …

2010 Chile Copiapó Mining Accident and Rescue
The collapse occurred on 5 August 2010, at 14:00 CLT as reported by the owners. The rescue of the miners commenced on Tuesday, 12 October 2010 at 19:00 CLDT.






