Flame Retardant From Cocoa Pod Husks | The Oozy Physics Of Oobleck
b'Scientists are using leftover cocoa pod husks to extract lignin, an organic polymer that can become flame retardant, foam, or a straw. Also, Non-Newtonian fluids challenge our ideas of what\\u2019s liquid and what\\u2019s solid. We now have a better understanding of how they work.'