User:Antony-22/DYK sampler

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... that when the Rock Creek and Potomac Parkway in Washington, D.C. was constructed, almost all the nearby crossings of Rock Creek (four crossings pictured) were replaced for aesthetic reasons?
... that quantum materials researcher Tina Brower-Thomas's attempts at chemistry as a youth led to her concoctions eating holes into her coat?
... that proper use of engineering controls should prevent contaminants from being excessively deposited on sticky mats at a laboratory's exits?
... that the U.S. National Firefighter Registry will match state cancer data with voluntarily collected work history data?
... that the American Taxpayer Relief Act of 2012, which addressed the U.S. fiscal cliff, was passed by the houses of the U.S. Congress near the beginning and near the end of New Year's Day 2013?

... that after Superior Coach Company closed in 1981, its employees' credit union absorbed 15 other credit unions to become the fourth-largest in Ohio?

Selections from my DYK credits. Refresh.