How old is the oldest tree?
Moment of Um - Podcast készítő American Public Media
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Ever wondered how trees keep track of time? They don’t wear wristwatches, so…do they have a tree calendar? Or count their rings like candles on a birthday cake? We asked arborist Casey Clapp to help us find the answer.Got a question that’s budding in your mind? Send it to us at BrainsOn.org/contact, and we’ll help sprout the answer!
