One of the few things getting me through this week has been Casual Geographic. My favorite so far is his extended riff on Jenga and keystone species. https://www.youtube.com/watch?v=DxXrFa_Rsqg
My kids were telling me crazy animal facts from him and zefrank at the table, and I was so baffled and charmed I HAD to look him up, and well, now Iβm addicted, cool.