The chemistry of what causes new and old book smells. Do you like the smell of old or new books? Some of our favorite "old book" smells include Paper Passion, Dzing, Aoud Cuir D'Arabie, Biblioteca de Babel, and In the Library.
The Science of Sunscreen. This site (Compound Interest) is fabulous. These one page infographics provide a great learning opportunity in our science classrooms. This makes chemistry real to our students. Great for bulletin boards.