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A laser-guided observation of the Milky Way Galaxy at the Paranal Observatory in Chile in 2010.
The terrorist attack of September 11, 2001, is surely a defining event for the cohorts who experienc
According to this Democratic cartoon, the only qualification of General Zachary Taylor, the Whig can
The Increasing Cost of Health Care, 1960–2010
Magnitude of Geologic Time
Average real hourly wages (2010 dollars) by education level, full-time workers aged 17 to 34 in 2011