41.   Neither is true, scientists now think.

42.   Most scientists had not thought that a whole mammal could be regenerated from mature body cells that were specialized for something other than reproduction.

43.   Now, scientists think they know why, and the answer offers a rare example of a behavioral difference linked to a single gene.

44.   Of course, most scientists think astrology is nonsense.

45.   On the one hand, this important find drew attention to a site that scientists think will prove to be one of the most important fossil beds ever discovered.

46.   One partial solution, many scientists think, is to encase them in glass and bury them deep underground.

47.   Q. Do scientists think it likely that abiogenesis is possible?

48.   Railroad spokesman Richard Russack said some scientists think there may be a link between carpal tunnel syndrome and a specific chromosomal deficiency.

49.   Presumably, scientists thought, the same thing might happen on land.

50.   Previously, scientists thought that a human host was necessary.