Residential and economic mobility remain a part of life in the U.S., though a new study shows that the opportunities for both are more limited for some than in the past.
Economic mobility, or the ability to move beyond the economic circumstances of one's parents, has long been tied to residential mobility, or the ability to move to places with greater opportunity. But the author of the study, Scott Winship, a fellow at the Manhattan Institute, a research organization in New York, cautioned that the linkage doesn't always work.
NEW YORK (AP) — A private space company started by Amazon.com founder Jeff Bezos said Tuesday that it landed a rocket upright and gently enough to be used again following a suborbital flight, a milestone in commercial aeronautics.
Reusing rockets, rather than discarding them, would be a big step toward making space flight less expensive.
