21st Century Chemist Kent Kirshenbaum of New York University engineers and folds synthetic peptoids in hopes of creating “hunter-killer” molecules that can target and destroy deadlybacteria like staph (MRSA). A separate Chance Discoveries video tells the story of the first shatter-resistant safety glass. Also in this collection: news stories from the archives of NBC News and Scientific American on drug-resistant “superbugs” and on glass (windshields and cathedral windows).