Polyurethane: It’s used to make seat cushions, memory foam, paint and myriad other products. Unfortunately, due to its widespread use, more than a million tons of polyurethane waste end up in U.S.

Q: The base of my lamp separated so I applied a small ring of Gorilla Glue around the Lucite bottom and set the top of the lamp on it. I only used a small amount. A few days later, I went to lift the ...