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.
What is MOV? MOV is a file extension used by the QuickTime-wrapped files. The format was created by Apple Computer to work with multimedia files. Though MOV files are quite often found in the web, to play them on Windows computer one has to install an extra component or convert to other format. MOV is a container format and can contain video, animation, graphics, 3D and virtual reality (VR) content or text (for subtitles, for example). The advantage of MOV files is the ability to contain abstract data references for the media data.