News & Stories Science Scientists can't agree on why some autumn leaves go red Nell Greenfieldboyce November 04, 2025 / 1:18 pm Leaves often turn brilliant colors in autumn. One of those colors has generated a lot of heated debate among scientists in recent years. Why you can trust KUOW Recommended Stories What does UW's disappearing research money mean for Seattle's innovation economy? April 24, 2026 Every tire produces a chemical that kills coho salmon. Can scientists pump the brakes? April 10, 2026 Bee survey finds dozens of species new to Washington state March 25, 2026
Every tire produces a chemical that kills coho salmon. Can scientists pump the brakes? April 10, 2026
