1. Throughout the hourlong roll call, Republicans looked grim.

2. Each is paid $ 40 to give an hourlong interview and donate two vials of blood.

3. Wednesday morning, during an hourlong session with reporters, Forbes appeared to be teetering on the edge of folding his campaign.

4. Following an hourlong hearing, a three-member panel of judges took no immediate action on the lawsuit.

5. They take an hourlong walk in Central Park each morning, usually around 8.

6. For three more years, they did hourlong specials, then broke up the act for good when they divorced in 1960.

7. Visitors are usually given an hourlong guided tour after which they are free to wander at whim.

8. At the end of the hourlong chat, I joked with Mr. Rubin that his press relations colleague, who was in the room, wanted to confess that he had left a prototype Android phone at a local bar.

9. The beginning of the hourlong session was leisurely; the pedaling intensity was only about 30 percent of each volunteer's maximal oxygen capacity (VO2max).

10. It was a virtual-reality thriller just perfect for computer geeks, whose numbers have probably increased tenfold since the hourlong drama crashed.

11. The tourist office sells a guide booklet that includes an hourlong walk and the sketchy details of his life.

12. The production, presented in a Ming-style garden, is an hourlong condensed version of a 1598 opera by Tang Xianzu.

13. Getting here requires a short flight from Panama City and an hourlong boat ride up the Teribe River, on which visitors can canoe.

14. Ms. Reid sometimes rose just after 3 a.m. to make the hourlong commute to Boeing's data center in Bellevue and attended night school to earn a master's in management information systems.

15. Each of Melanson's subjects spent 24 quiet hours in the calorimeter, followed later by another 24 hours that included an hourlong bout of stationary bicycling.

16. But the event, at New York University's Stern School of Business, did not dwell on that turn of events. Instead the hourlong conversation ranged over Mr. Greenspan's years as the Fed chairman.

17. "We had a wide-ranging discussion about the continuing progress that Iraq is making," Obama said after a nearly hourlong Oval Office meeting.

18. So if you really want to learn, space out shorter, hourlong study sessions.