Between the fourth and seventh weeks of pregnancy is when many women discover they are pregnant. (americanpregnancy.org)
And with the North Koreans now capable, by some estimates, of producing an atomic bomb every sixth or seventh week, the cost of reaching any new agreement would be even higher. (nytimes.com)
Oil rose as the dollar weakened and before U.S. government data forecast to show crude stockpiles expanded for a seventh week. (news.peak-oil.org)