41.   Both methods have been published in scientific publications this month, an important step in the validation process and a first for prospective EPO tests.

42.   Both trucks feature rack and pinion steering, a first for a full-size truck.

43.   Both would become four-star admirals, a first for a father and son.

44.   Bonilla grounded to Benzinger at first for the first out of the inning, then Hickerson walked Jeff Kent intentionally to load the bases for Segui.

45.   A closing shot shows him beside other Marines, including a female soldier, which is a first for a Marine TV ad.

46.   A centerpiece of Tech Live will be news bureaus around the country, a first for TechTV.

47.   A fun commercial featuring dirty dishes is the first for SOS from Clorax, which bought the venerable brand of scouring pads in January.

48.   A first for a passenger car are the power-adjustable brake and accelerator pedals.

49.   A first for Nissan and Altima is the use of aluminum panels for the hood and trunk, the company said.

50.   All the referees in this Cup are women, a first for the event.