Scientists have tried to produce Spider silk, an extremely flexible and durable material for many years with disappointing results. Bolt Threads has replaced the spiders with genetically modified yeasts which produce silk like proteins from simple carbohydrates through fermentation. There has been little innovation in apparel after polypropylene and Lycra. The company with offices across San Francisco is still in the process of deciding if it wants to produce its own clothes or provide fabric to other apparel makers, or both. Read full article here.