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That will be at the forefront of the next generation of space exploration. Our Science Correspondent Pallab ghosh has the story. Back at home we all have a lot of work to do but from here, earth sure looks like a perfect world. Historic words for an historic moment. Out comes the first private Sector Astronaut to walk in space. Silhouetted in earths orbIt, billionaire Jared Isaacman paid millions of dollars for this experience. Earlier, he was suIting up, as were the other three crew members. The capsulte has no air lock, so the entire spacecraft is in the vacuum of space once the doors opened...

In the world. >>y amanda began to that reali seeing her world in the '90s. at 19, she was off to venezuela. >> we are driving in the back of a pickup truck back to the town of santee alaina. >> the would world was wide opened to me at that time. >> so wide opened, she kept moving, kept pushing forward. >> going from india to pakistan. it dil did feel like a big deal to me. it was something i really wanted to do. and then i did it. and afghanistan is right next door. >> mom grew concerned, semi-as her daughternc trekked into acte war edzones. she triedve to talk amanda out those trip, but she s...