Can you BOOlieve it's Halloween? To celebrate, we're sharing our favorite SCAREntists from science past. We hope you find them HUMERUS. WITCH is your favorite? . . . . . . . . . . . . . #halloween #science #puns #punny #joke #funny #comedy #scientists #trick #boo #ghosts #scienceheros #hero #lol #spook #scary #spoopy #trickortreat