11.   In that group, those who exercised for four hours a week had half the risk of breast cancer of those who were sedentary.

12.   Mbabane police responded to the afternoon threat and for the second time this week had bomb-sniffing dogs comb the building for possible bombs.

13.   Not since the first week of March have conditions been well-suited for catching good numbers of flatties.

14.   One involves a round ball, and this week had Koreans cheering when their side beat Poland at soccer.

15.   Only this week has the Toronto developer come close to vindicating his Canary Wharf dream.

16.   Retsky said playing Chatter Matters a couple of times a week has helped her family get along.

17.   Super Bowl week had the feel of a working vacation.

18.   The massive tree, meanwhile, provides cool shade in the hot Georgia sun or, as it has this week, protection from rain.

19.   The Pew survey found the number of Americans getting news from the Internet at least once a week has more than tripled in two years.

20.   The past week has him nervous.