Word: unknowns
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...Sunday afternoon, when they noticed that a stretch of the 3,400-mile Yellow River was not yellow - not even tan - but a color closer to magenta. By the next day China's official news agency, Xinhua, had published photographs of the Biblically hued slick and reported that an unknown substance spilling out of a local sewer had caused the river to "turn red and smelly...
...estate already had generated $250,000 in sales. It is unclear how Kingsland amassed his fortune. In fact, Kingsland’s age, the location of his primary residence, and his cause of death are all unknown, according to news reports...
...sharply and mysteriously over the past 30 years? History has served up many possibilities, beginning with a now discredited theory put forward by psychologist Bruno Bettelheim, who famously attributed the condition to uncaring "refrigerator moms." Today autism is thought to involve a genetic vulnerability that's triggered by an unknown X factor, or factors, in the environment. Recent speculation has focused on pesticides, childhood vaccines and thimerosal, a mercury-based compound that until recently was used to preserve vaccines...
...history of the newly-resurfaced Kirkland portrait remains unknown, but, according to the University Art Museums Web site, the Copley painting came into Harvard’s hands as a bequest of Grenville L. Winthrop, Class of 1886, who left about 4,000 objects to his alma mater as part of his will...
...Harvard tech community suffered its deepest shock in recent years with the death of a man whose name is unknown to many on the campus, but who was a bulwark of Harvard theater: longtime Technical Director of Harvard College Theatre Programs Alan P. Symonds...