https://www.wyso.org/tags/math math en-US Copyright Fri, 18 Sep 2026 16:47:15 GMT https://www.wyso.org/indigenous-affairs/2026-09-18/hopewell-ceremonial-earthworks-in-ohio-to-be-featured-on-pbs-educational-tv-show The 2,000-year-old earthworks will be featured in an episode of "Doodles and Digits: How It's Math" on PBS on September 22. Fri, 18 Sep 2026 16:47:15 GMT https://www.wyso.org/indigenous-affairs/2026-09-18/hopewell-ceremonial-earthworks-in-ohio-to-be-featured-on-pbs-educational-tv-show Adriana Martinez-Smiley