51.   My luck, the fool with the flashing yellow light would return and mistake me for a speed bump.

52.   One hauntingly effective shot finds Tom outside in the rain, with green landscape occupying most of the frame and a band of yellow light on its right-hand side.

53.   Robert Walters, a speedway spokesman, later played a videotape that showed Goodyear had passed the pace car before the yellow light went off.

54.   She peered out her office window as a car with a flashing yellow light on top pulled up.

55.   She flicks a switch, and a yellow light comes on over long display cases.

56.   Slowing down at yellow lights is treason.

57.   Spectroscopic instruments were set to exclude all light from the comet except the yellow light emitted by sodium atoms.

58.   That glow is like a yellow warning light, a signal that the chemical ought to be rigorously tested using laboratory animals.

59.   The Departments of Agriculture, Commerce, Labor and Transportation all got at least one yellow light, as did agencies like NASA and the Small Business Administration.

60.   The first issue is safety, although the experience so far has flashed a yellow light that is allowing researchers to move ahead cautiously.