Agricultural survey and the documentation of livestock or goods was the basis for the first written language. Youngsters discuss sorting and counting, and how these skills have been used for thousands of years. They accent their class...

Those corn husks can be put to good use. Future engineers design and build a new, biodegradable bag for potato chips out of corn husks. They test out their bags by shaking, dropping, and tossing them, as well as placing them in water.