It has previously proved difficult to study telomerase in close detail because the enzyme tends to clump together outside of cells, preventing it from forming the ordered crystals necessary for structural analysis.

BBC: NEWS | Health | Cancer agent mysteries revealed

Nevertheless, due primarily to the negative impressions many people have about so-called "trailer parks, " the value of a manufactured home is less than a third of a comparable site-built home, even when variables such as neighborhood, structural characteristics and geography are controlled, according to an analysis published in the Journal of Real Estate Research.

WSJ: 'Luxurious' Mobile Homes?