Teaching assistant Camille Lombard (C) with students Bijan Ameli (L) and Mike Feigenbaum (R) in a non-science major chemistry class at George Washington University’s new science and engineering research center in Washington, D.C., on Feb. 26, 2015. The center is part of a bid to make a school known for public policy and social sciences more of a hard-science research powerhouse. Research topics include 3D printing of human organs, fossils, wearable medical devices, earthquake-resistant highway materials and more. (Linda Davidson/The Washington Post via Getty Images)
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