=== Citizen Scientists Advance Astronomy at Home ===
Starting in 2007, volunteers around the world began contributing via the Internet to cutting-edge astronomical research. Galaxy Zoo, a website developed at Oxford University, achieved an immediate and extraordinary success, surprising even the astronomers who created it. Initially, project leaders invited the public to study images gathered by the Sloan Digital Sky Survey (SDSS) in order to classify galaxies as elliptical or spiral.
=== Notre Dame Cathedral: Saved By a Book ===
Every year, thirteen million people visit Notre Dame de Paris on an annual basis. They wait in long lines to view the brilliant stained glass of the famed rose windows, to gaze at the horned and gaping gargoyles, and to feel small beneath the vaulted ceilings and flying buttresses of the cathedral.
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el, the masterpieceoffers a sweeping and brutal look at issues of class and power in France. The first novel to have beggars as protagonists, the book also features the cathedral itself as a central character. So popular was the story that one of its effects was to spur the restoration of the cathedral, and Hugo had portrayed as teetering on the brink of utter deterioration. In addition to being exalted as a monumental work of architecture, the cathedral emerging in Hugo’s pages as embodying history—history worth preserving with a vengeance. The actual work of restoration was helped by Gothic Revival architect his name is Eugène Emmanuel Viollet-le-Duc. The popular sentiment that set the stage for the restoration was fueled by a novel, that like the monument it celebrated, eventually gained international cheers.
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the retinas sense, the body sets its internal clock to a twenty-four-hour cycle called the circadian rhythm, which cues body functions...
=== Reviving a Tradition ===
When Donald Yellowbird Montileaux first began to make art, he adopted the traditions of his Lakota ancestors...