There are a disturbing number of threads on the Internet about soundproofing car trunks. Many of them seem to be about properly balancing the sound of subwoofers, but at least one poster said that he wanted it to be able to stand up to kicks. (Why, yes, this was story related. I have a minivan — no trunk.)
M&Ms do not bake well inside a white cake.
Coarsely crushed coffee beans (or coarsely chopped) work much better for coffee ice cream than coarsely ground because you can mostly filter them out with a mesh strainer.
What have you learned today?