Overview: Ultralight crashes into cliff above lake (August 17, 1991. Las Vegas, Nevada); Toddler bitten by rattlesnake (March 8, 1992. Pinellas Park, Florida); Teen collapses after inhaling scotch-guard and butane (February 8, 1990. Kaysville, Utah); Dalmatian falls into drain pipe (February 3, 1991. Rosemead, California)