Knots on the Web - Peter Suber's personal web pages on knotting resources for all applications.
Resources includ knot tying, knot theory, knot art, and knot software.
Clearly the largest laparascopic educational source on the Internet with extensive collection of photographs and videos. Provides description of Nissen, Gastroplasty, Colectomy, Inguinal hernia, and Splenectomy procedures. The largest portal on medical models, mannikins, simulations, and virtual reality applications in medicine. Contains an extensive list of manufacturers and vendors, as well as research institutions currently developing medical models. The site is updated daily.