#8: On Apollo 14, launched in January 1971, along with astronauts Alan Shepard and Edgar Mitchell, traveled Stuart Roosa, a former US forest service official. As his other companions went ahead to walk on the moon, Roosa remained in the command module, guarding hundreds of seeds he had carried with him. On their return, the seeds were planted all over the United States and the world, most of them grew and are still healthy. They are known as the Moon Trees. Read more on Sekoni's blog.