Mexican biologist's attempt to slip into US ends tragically SASABE, Mexico -- Mario Alberto Diaz, a biologist nearing completion of his master's degree, crawled under a barbed-wire fence marking the border with the United States one evening this summer. He had 48 hours to go in his illegal trek across the desert. 

Which of the following sections of a newspaper would this article likely appear in? World News, Sports, Business, or Science and Technology? 