SCIENCE A zigzag engraving on an ancient mussel’s shell may transform scientific understanding of what has long been considered a defining human capacity: artistic creativity. (Nat Geo News) Use our resources to better understand “What Makes Us Human.” Teachers, scroll down for a short list of key resources in our Teachers’ Toolkit. Discussion Ideas The Nat Geo News article quotes one paleoanthropologist as saying the … Continue reading Artistry on the Half-Shell?