1) All the elements on the Periodic Table
2) The capital of every U.S. state and every country
3) What “mitochondria” and “flagella’ are
4) Calculus…or pre-calculus anyway
5) Quadratic equations
6) How to scan lines more complicated than iambic pantameter
7) How to say “you are all ilars” in Spanish
8) How to make sourdough bread with a homemade starter
9) Names of people
10) A volume of entertainment trivia that boggled my friends