Jorge Cham is the creator of PHD Comics and received his doctorate in mechanical engineering at Stanford University. PHD (Piled Higher and Deeper) is a comic strip about life (or the lack thereof) in academia. See more of his work at www.phdcomics.com. Jorge Cham/PHD Comics hide caption

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President Obama remarks on his proposal to tighten consumer protections for people saving for retirement as Sen. Elizabeth Warren and Labor Secretary Tom Perez listen, at AARP on Monday. Getty Images hide caption

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Operators at a Bell System telephone switchboard, as photographed by the Department of Labor Women's Bureau. U.S. National Archives hide caption

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Jay Austin's tiny house in Washington, D.C., has 10-foot ceilings, a loft bed over the bathroom and a galley-style kitchen. Franklyn Cater/NPR hide caption

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At the start of a meeting to decide the issue of net neutrality, Federal Communications Commission Chairman Tom Wheeler (center) holds hands with FCC Commissioners Mignon Clyburn (left) and Jessica Rosenworcel at the FCC headquarters Thursday. Mark Wilson/Getty Images hide caption

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Shopping for an MRI scan? Guroo.org, won't yet show you what your local hospital or radiologist charges, but it will reveal the average cost of the test in your area. iStockphoto hide caption

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Hundreds of union members rally outside the Capitol in Madison on Tuesday to oppose a Republican-led measure that would make Wisconsin a right-to-work state. Reuters/Landov hide caption

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