✨🌈🪐 Videos Today • March 18, 2025

Have you ever picked the “wrong” line at the grocery store or the airport? Why do some lines seem to take forever while others move quickly? Is there a science to making lines move faster? University of Toronto post-doctoral fellow Mureji Fatunde explains the math, patterns, and principles behind lining…

St. Patrick’s Day in Chicago, Illinois includes many festive celebrations for an estimated 200,000 residents of Irish heritage and the city at large, but this WTTW Chicago video shares that “there’s no more iconic Chicago St. Patrick’s Day tradition than dyeing the Chicago River green.” Chicago’s green river tradition began…

An ancient ballet waits in the seemingly barren cracks and depressions of Moab, Utah’s desert rocks. When rain transforms these dry hollows into vernal pools—also called vernal ponds or ephemeral pools—there’s a sudden shift of life. Hundreds, maybe thousands, of fairy shrimp appear—three species of more than 300 global varieties…