Spontaneous Osteonecrosis of the Knee - SONK. Also known as: Ahlbackâs disease. A condition of unknown aetiology characterized by the development of an area of osteonecrosis on the weight-bearing surface of the medial femoral condyle.
Friday 8 November 2013 09.16 EST First published on Friday 8 November 2013 09.16 EST. When 33 Chilean miners were hauled to the surface after 69 days trapped in a collapsed copper mine in 2010, more than a billion people around the world tuned in to watch as the rescue was broadcast live on television.
On Oct. 13, 2010, all 33 of those Chilean miners trapped for 69 days inside the San Jose Mine were raised to the surface of the earth â resurrected â through a newly drilled escape tunnel into which a capsule was slowly lowered and raised by a giant crane. It was a feat of engineering and a triumph of faith.