# How Many Leaves Are on a Tree? | Kirk Johnson

Page: https://stenobird.com/podcast/nova-presents-1297629/how-many-leaves-are-on-a-tree-kirk-johnson
Text version: https://stenobird.com/podcast/nova-presents-1297629/how-many-leaves-are-on-a-tree-kirk-johnson.md
Podcast: [NOVA Presents](https://stenobird.com/podcast/nova-presents-1297629)
Published: 2026-04-29T10:00:00+00:00
Episode link: https://play.prx.org/listen?ge=prx_322_90653db5-7925-4866-bec5-c3e2bc82502f&uf=https%3A%2F%2Ffeeds.wgbh.org%2F322%2Ffeed-rss.xml
Audio file: https://dts.podtrac.com/redirect.mp3/tracking.swap.fm/track/sblTq32fyWAjsHzze2LG/dovetail.prxu.org/_/322/90653db5-7925-4866-bec5-c3e2bc82502f/Counting_Leaves_on_a_Tree_Kirk_Johnson_AUDIO_01.mp3
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JSON: https://stenobird.com/v1/public/podcasts/nova-presents-1297629/episodes/how-many-leaves-are-on-a-tree-kirk-johnson
Duration seconds: 94

## Resource

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.

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## Transcript

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