A very good course/refresher on handling data sets for the Earth sciences. There are videos, podcasts, notes, etc.
From the description:
For the UNH Earth Science (ESCI) 895-03 class, I created extra videos. This is a part of the UNH Center for Coastal and Ocean Mapping (CCOM) / Joint Hydrographic Center (JHC). The class web page is: http://vislab-ccom.unh.edu/~schwehr/Classes/2011/esci895-researchtools/