The rigour with which comparisons can be made between the different studies, however, is constrained by variations in practices between laboratories and changes that have occurred to luminescence dating procedures over the years.
Ethel Zimmermann, born in Queens on Jan . 16 1908 (though other dates were used over the years), could easily have lived an anonymous existence, having all the proper prerequisites: working-class birth, unexceptional intelligence, training in stenography.
In 1879 Parliament established a national Thanksgiving Day on November 6; the date has varied over the years.
The document containing the guidelines, dated 1987 but updated over the years and still in effect at the CIA, was obtained under the Freedom of Information Act by the ACLU and shared with the Guardian, which is publishing it for the first time.
Mayer has dated Jessica Simpson, Jennifer Love Hewitt, Jennifer Aniston, Katy Perry and Renee Zellweger over the years. .
Moreover, the poetic lyricism of L'Atalante, far from dating, has been more appreciated over the years.
Station agents' role has been reduced slowly over the years, dating back to the introduction of the MetroCard, which made token booths obsolete.
Stewart and Snoop have been cultivating a showbiz friendship over the years, dating back to his charming appearances on her old cooking show.
But those defenses were weakened over the years, dating to the days of British rule, as swamps were filled in, land was reclaimed from the sea and creeks were narrowed or diverted.
