While it is possible to get worm densities up to as much as 20 kg/m 2 or 4 lbs per square foot (Edwards, 1999), the most common densities for vermicomposting are between 5 and 10 kg/m 2 (1 to 2 lbs per ft 2).
A massive open online course (MOOC) is a model for delivering learning content online to any person who wants to take a course, with no limit on attendance. A short video about MOOCs and the connected age. Recent Spotlight.
SPOC is an acronym that may stand for: 1  Single Point of Contact. 2  Sex Professionals of Canada, a sex workers' rights group based in Toronto. 3  Sydney Paralympic Organising Committee, responsible for the 2000 Summer Paralympics.  Simple Piece of Cloth, a type of baby sling.