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.
A+E Networks. A tsunami caused by an earthquake off the coast of Chile travels across the Pacific Ocean and kills 61 people in Hilo, Hawaii, on this day in 1960. The massive 8.5-magnitude quake had killed thousands in Chile the previous day. The earthquake, involving a severe plate shift, caused a large displacement of water off the coast of southern Chile at 3:11 p.m. Traveling at speeds in excess of 400 miles per hour, the tsunami moved west and north.