Awesome packing tip called a skivvy roll. Teaches how to save space in your luggage every time you travel. Budget travel lovers will enjoy this technique because it can mean less packed luggage (and fewer fees).
medicalstate: A Brief Guide to Sutures. My current repertoire consists of the simple (over and inverted), subcuticular, horizontal mattress, vertical mattress, and lock-stitch sutures. This set of skills takes care of most problems.