71.   Indeed, if the past century has been the age of physics, the next will probably be the age of biology.

72.   In the past century, girls benefiting from better nutrition have begun menstruating at progressively younger ages.

73.   It deals with the erosion of the middle class built up in this country over the past century and offers suggestions on what government should do to preserve it.

74.   It explores how function inspired what many cowboys and cowgirls wore during the past century.

75.   It is a somber drama that in centuries past might have been written by Sophocles, Shakespeare or Ibsen.

76.   It has been the calling of contemporary biographers to dismantle the icons of the past century.

77.   It is an astounding measure of how far America has fallen over the past century.

78.   It may come as a surprise, but those assumptions prevailed for most of the past century.

79.   It was not ever thus, however, as even a brief overview of Commerce Clause history during the past century reminds us.

80.   Lafontaine then offers the curator a remarkable collection of wood carvings he says were produced by Saramaka Maroons, the descendants of slaves brought from Africa in centuries past.