Lakeland teachers Dave Niedosik and Lorraine Nangle leading their students in dissecting the bear at the high school in Wanaque. The bear's paws were easy enough to slice off. Then, trouble: None of the teachers or students had anticipated that you can't dissect the rest of a frozen black bear carcass until you thaw it out. Forget the scalpels. Bring out the hot water, and the big buck knives. All in all, as biology lessons go, the one taught under the open sky at Lakeland Regional High School in Wanaque on Thursday was definitely not for the squeamish. Students...