61.   As birds begin to return to their summer homes, families looking out their windows are likely to spot winged visitors they have never seen before.

62.   As such, they helped propel stocks to prices never seen before.

63.   At a minimum, people would demand to see earnings before agreeing to invest.

64.   At the Salt Lake City Winter Olympics, there is an array of technologies devoted to portraying the hidden dimensions of athletic performance in ways never quite seen before.

65.   At the same time, another group of astronomers reported detecting an even more puzzling object, whose light appears to be unlike anything seen before.

66.   Back when he was managing the Amazing Mets of fabled ineptitude, Casey Stengel used to say that every day in baseball you see something you never saw before.

67.   Both of these are isotopes, or forms of atoms, that had never been seen before.

68.   Boxing or toe-to-toe, Lewis has tremendous punching power and natural strength that Holyfield has never seen before.

69.   Bowden has seen it before and laughed about it.

70.   A doctor who offered the same introduction and speech twice in five minutes as if he had never seen them before.