The story of silk production in Shanghai, China. Silk comes from the silkworm that also gave us serrapeptase.
Documentary style (and quality) video showing 4 months in the life of a silk worm, from egg, all the way back to egg again.
An interesting video showing silkworm as they grow and finally make their cocoon.
The complete life cycles of the silkworm (the organism serrapeptase comes from).