Tag «high school»

Crash Course Big History #5: The Evolutionary Epic

Crash Course Big History #5: The Evolutionary Epic

Hi, I’m John Green. Welcome to Crash Course Big History. Today we’re going to be traversing the evolutionary epic– the great story of magnificent beasts, terrifying predators, quite a lot of extinctions, and countless varieties of evolutionary forms. It’s the ultimate epic– millions upon millions of species playing out a drama that has so far …

Why There Is No E in the Grading Scale

Why There Is No E in the Grading Scale

Remember that nervous feeling on report card day as a kid? You spend all day with a racing mind wondering what grades you got. Straight As? Some Bs sprinkled in there? Oooh…will Mom and Dad be mad about Cs and Ds? Or – heaven forbid – did I get any Fs?? Hold on…why isn’t there …