I’m pretty excited.  But I don’t get out much.  I’ve made it up to about page 30 of Numeria (because I’m the world’s slowest reader) and found this little gem on pg 25 in the section on Corrosive Rain (emphasis mine):

Rains vary widely in what they affect, some dissolving nearly any material, others affecting only organic matter, metal, or plastics.

Unrelatedly, last week’s What If xkcd tackled the question of how much real dinosaur (via petroleum) is in a plastic toy dinosaur. Short answer: not much. He doesn’t ask the more important question: What is the AC of a polyester jumpsuit, and whether it can be raised my adding more dinosaur.