Thanks for sharing. Spider silk sounds very interesting.
Other good news on the materials front. It seems developed economies are near or post-peak on many material consumption. A 2015 study of 100 commodities in US from 1900 to 2010, showed 36 have peaked in absolute terms and another 53 have peaked relative to economy size.
Source:
The Return of Nature: How Technology Liberates the Environment
Jesse H. Ausubel