Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Feb 4, 2019
People have been using silkworm silk to make stuff for thousands of years, but spider silk could potentially be even more useful. It's stronger than steel, super stretchy, and could be made into anything from bridge cables to biodegradable water bottles... if only we could figure out how to cultivate it.