Why was milkweed silk chosen to make life jackets during WWII?
Milkweed silk was a natural resource found in the United States. The fibers are water resistant and they have a low density. Children, including those in the South Dakota, collect 14,000 bags of milkweed pods. Click on the site below to see a milkweed pod: (Colorado State University Cooperative Extension) Click on the South Dakota site below to learn more about life jackets: http://www.boat-ed.com/sd/course/p4-7_pfds.