51.   An ambitious study of the differences in how well girls and boys perform on tests has found much less of a gender gap than is commonly assumed.

52.   Amidst the failure, the flawed mechanics and the pressure to perform on a club expected to contend for a title, Perez got confused.

53.   An autopsy performed on Leyba-Sanchez revealed signs that he had consumed the death caps, or Amanita phalloides.

54.   An autopsy has been performed on Griffith Joyner, who died Monday at her home in California.

55.   An autopsy has been performed on Levin and tests will determine whether he had cocaine in his system.

56.   An autopsy is also being performed on the driver.

57.   An autopsy was performed on Thursday but no results have been announced.

58.   An MRI exam performed on pitcher Scott Schoeneweis confirmed he has a strained oblique muscle in his right side.

59.   An autopsy performed on Rosario Tuesday determined that he died from pulmonary edema, an excessive buildup of fluid in the lungs.

60.   An autopsy performed on Sunday was inconclusive, Ellen Borakove, a spokeswoman for the medical examiner, said.