Pinkys Smithsonian Adventure: Counting Birthday Years in Tree Rings @SmithsonianNZP
Pinkys Smithsonian Adventure: Counting Birthday Years in Tree Rings @SmithsonianNZP
Uploaded May 2025 | Updated September 2026, 2 weeks ago
The Smithsonian Environmental Research Center (SERC) is turning 60—and we’re celebrating with the help of trees! In this video, we count tree rings to show just how long 60 years really is. Join us as we explore how trees mark time and how SERC has been learning from and about nature for six amazing decades!
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Smithsonians National Zoo |

Pinky's Smithsonian Adventure: Counting Birthday Years in Tree Rings

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