61.   This, Ostrom believed, would explain why some dinosaurs were clearly very active, behaving more like birds or mammals than reptiles.

62.   Though some dinosaur experts assert what color dinosaurs were and what kind of family values they held, the museum takes a humbler approach.

63.   Was the dinosaur male or female?

64.   Visiting the Natural History Museum in London he was astounded to realize that while the dinosaurs were gone, the ferns had survived them.

65.   Yes, the dinosaurs are back at the American Museum of Natural History, on Central Park West.

66.   Yet like paleontologists arguing over whether dinosaurs were hot- or cold-blooded, historians have taken the same fundamental material and come to opposite conclusions.

67.   Yes, the dinosaurs are back at the American Museum of Natural History.

68.   Are those dinosaurs who formerly led the cruel racial tyranny of apartheid about to leave, finally, the green benches of Parliament?

69.   Dinosaurs then were runty animals, and mammals were even smaller, probably skittering in fear among the rocks.

70.   During the Triassic period the dinosaurs were able to travel from one continent to another because the world was then a big continent called Pangaea.