bristlecone tree

Episode 121: Ho Do You Tell the Age of a Tree?

Meet the Expert:  Alexandra Siy, Award-winning science author and photographer Alexandra Siy is a science writer for kids, merging STEM and art to make STEAM! Many of her titles use primary source scientific imagery to reveal both outer space and the microscopic, inviting young readers to enter worlds that can only be visited using science… Continue Reading Episode 121: Ho Do You Tell the Age of a Tree?

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