University of Pennsylvania
Decoding Propaganda: J’Accuse…! vs. J’Accuse…!
Reading snail mail is a great way to go back into history and to understand others' points of view. The resource, the second in a five-part unit, covers the Dreyfus Affair. Scholars, working in two different groups, read one letter and...
Cornell University
Fibers, Dyes, and the Environment
Nanofibers can be made through electrospinning or force spinning in order to reduce the negative impact on the environment. Pupils study the role of fibers and dye on the environment through a series of five hands-on activities. Then,...