Yesterday was Sprouts 2025 .  In the afternoon session, we had our keynote by Matt Ferland of Dickinson College and six student talks.  Here are my (likely lacking) summaries of those talks. Matt Ferland, Keynote: "Supernim is Much Harder than Nim" Matt covered the Nim basics, then talked about superstars: games where all options are to nimbers.  Supernim is, then, the ruleset of any sums of superstars.  Matt talked about reductions to help relate computational problems.  (He described this usin