The anthrax vaccine currently in use was tested decades ago in textile mill workers, who were exposed to the spores in goat hair.
The message was unmistakable: the rules that apply to the rest of Egypt do not apply to the military, still the single most powerful institution in an autocratic state facing its toughest test in decades, an imminent presidential succession.
Now, as the Senate takes up gun control measures, the no-compromise strategy Mr. LaPierre has honed over his 35 years with the association is facing its most difficult test in decades.
Teacher assessments of child Big Five personality in elementary school were correlated with directly observed behaviors during a videotaped cognitive test four decades later.
The Turing test directed decades of AI efforts towards devising computer systems that "thought" by solving logic problems –focusing on the "sea of symbols", as Brooks put it, that were believed to undergird intelligence.
German Chancellor Angela Merkel has come closest to seizing the mantle of leadership in Europe, warning in her New Year's address that the continent was facing its "harshest test in decades".
If you needed additional evidence that the song was something of a Rorschach test, six decades of rockers took it on: Duane Eddy, Roy Orbison, Mitch Ryder, the Righteous Brothers, Long John Baldry, Wall of Voodoo, and NOFX, whose remodel gives us Herb Alpert by way of the Ramones.
Though these books haven't stood the test of decades of time, there are still a number of contemporary novels that are so popular that it may feel like everyone has read them.
This is especially likely with repeated testing over decades.
He took his medications and showed up for his appointments, but he almost never got lab tests, since decades of drug use had obliterated his veins.
