21.   Another mystery apparently is close to being solved by careful examination of the flag.

22.   Another big mystery is whether men and women differ in the health benefits of pet ownership.

23.   Another mystery is probably more likely.

24.   Another mystery is why productivity gained speed only after the economy had already been cooking for years.

25.   Another mystery is why the cockpit wind-shear alert never went off to warn the pilots.

26.   Another mystery is the whereabouts of one of the high-performance computers that Mikhailov referred to at his January news conference.

27.   Another mystery is whether the Ford Explorer has a defective suspension.

28.   Another Patriots mystery is why clutch wide receiver Shawn Jefferson is on the sideline in a key passing situation and Vincent Brisby is on the field.

29.   Another Patriots mystery is why linebacker Tedy Bruschi at times trots off the field when the opponent has third and long.

30.   Another small mystery is whether two holes in the top of the red ski hat Diallo wore that night were created by bullets.