How Many Leaves Are on a Tree? | Kirk Johnson
From NOVA Presents by GBH
April 29, 2026 · 2 min · Season 4
About this episode
Paleobotanist Dr. Kirk Johnson discusses the method for counting leaves on a tree.
Need to know how many leaves are on that tree? Paleobotanist Dr. Kirk Johnson shares the surprisingly nerdy method—because you never know when leaf math will come in handy. For more, check out the extended interview with Kirk Johnson. Learn more about NOVA and subscribe to our YouTube channel.
People in this episode
Guest: Kirk Johnson
Topics covered
- paleobotany
- leaf counting
- science education
- nature
- mathematics
Keywords
- leaves
- tree
- paleobotany
- Kirk Johnson
- leaf math
Mentioned in this episode
Organizations: NOVA, GBH
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