Given regular exposure to light, a pigment print might only last a couple decades before the color degrades, although this depends on a variety of factors, including the type of paper used. (artspace.com)
In the last couple decades, researchers have taken advantage of that predictability to figure out exactly how old individual cells are. (businessinsider.com)
In the last couple decades, the growth in the number of women's businesses (up 68 percent), employment (up 11 percent), and revenues (up 72 percent) blows past the growth rates of all but the largest publicly - traded businesses, and tops growth rates among all other privately - held businesses over this period. (inc.com)