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The 2024 "You're Spelling It Wrong" Spelling Bee rebroadcast schedule: Saturday, August 16 at noon; Sunday, August 17 at noon; and Tuesday, August 19 at 6 pm.

How tiny dams repair cottonwood trees damaged by giant dams along the Colorado River

By David Condos
Published August 16, 2025 at 7:00 AM CDT

Giant dams built to conserve the Colorado River have nearly wiped out nearby native cottonwood trees, causing big ecosystem disruption. Tiny dams built to mimic those built by beavers could bring them back.

Copyright 2025 NPR
David Condos