Visitors walk through the Hachette Book Group's exhibition in May at BookExpo America, the annual industry convention in New York.
Mark Lennihan/AP
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Premature infants in a neonatal intensive care unit may be exposed to DEHP, a chemical in some PVC medical equipment.
ERproductions Ltd/Blend Images/Corbis
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Sen. Mary Landrieu, D-La., chair of the Senate energy committee, spoke Wednesday about getting congressional approval for the Canada-to-Texas Keystone XL pipeline. With her is Sen. Joe Manchin, D-W.Va., a member of the committee.
J. Scott Applewhite/AP
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NATO has reported a spike in Russian military activity at sea and in NATO and other western European countries' airspace as tensions have mounted over Ukraine. Here, a Russian military long-range bomber aircraft flies in international airspace on Oct. 29.
Royal Air Force/AP
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Democratic U.S. Sen. Mary Landrieu of Louisiana walks through the U.S. Capitol on Wednesday. Congress returned to work following last week's midterm elections break. Landrieu is locked in a runoff with Republican Rep. Bill Cassidy.
Mark Wilson/Getty Images
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Beacon Power President and CEO Barry Brits, at the company's plant in Hazle Township, Pa. He says a loan from the Department of Energy made it possible for his company to develop its flywheel energy storage technology.
Jeff Brady/NPR
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Few police departments have required officers to wear body cameras, but that's changing after the events in Ferguson, Mo., this summer.
Jim Mone/AP
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Workers assemble Volkswagen Passat sedans at the German automaker's plant in Chattanooga, Tenn., on June 12, 2013. The automaker announced a new policy Wednesday that would allow interaction with labor unions at the plant.
Erik Schelzig/AP
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U.S. Treasury Secretary Jack Lew says the global economy is relying too heavily on just the United States for growth.
Chip Somodevilla/Getty Images
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State Reps. Barry Moore, Joe Hubbard, Rod Scott and Merika Coleman study a map of the proposed redistricting plan in May 2012 following a meeting of the Legislative Committee on Reapportionment at the Alabama Statehouse in Montgomery, Ala.
Dave Martin/AP
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