51.   The distance between the fossil imprints of dinosaur feet, along with the absence of tracks from their large tails, help answer the question about dinosaur speed.

52.   The fifth track from the top, containing known genes, holds the full sequence of the Werner gene.

53.   The full-length CD is spiced with a few other tracks from the archives.

54.   The one man who has rigorously defended the track from the beginning is TMS general manger Eddie Gossage.

55.   The printed manual contains driving tips on each track from Bobby Labonte, a top NASCAR driver.

56.   The railroad laid tracks all the way from Spokane to share in the riches.

57.   The site is about eight miles down a rocky track from a rural road.

58.   The Velvets, led by Lou Reed, came from another side of the rock and roll tracks from the Airplane.

59.   The wealth of commentaries includes audio tracks from the two stars, co-star Helena Bonham Carter, director David Fincher and even the composers.

60.   The victim, Julian Warner, of the Bronx, may have fallen to the tracks from between cars, Lt. Robert Valentino of the transit police said.