NASA took tree seeds into space nearly 50 years ago. Here's what happened to them.
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When astronaut Stuart Roosa boarded for the Apollo 14 in 1971he wasn’t alone. He was carrying a canister the size of a soda can, filled with 500 seeds from various tree species. Almost 50 years later, some of those so-called Moon Trees are still growing across the United States.Sept. 19, 2019
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