Workplace bullying even happens at the NFL. Investigators concluded that Miami Dolphins lineman Jonathan Martin was harassed by other teammates. John Minchillo/AP hide caption

itoggle caption John Minchillo/AP

Pfizer is pursuing British drugmaker AstraZeneca, in part because it wants to lower its tax rate by moving its headquarters to London. Spencer Platt/Getty Images hide caption

itoggle caption Spencer Platt/Getty Images

Some universities have stopped investing in coal companies, but many others don't see the point. An aerial view of the Coal Hollow Mine in Utah in 2012. Ethan Miller/Getty Images hide caption

itoggle caption Ethan Miller/Getty Images

Postal workers take part in a march in Washington, D.C., on Thursday to protest the opening of U.S. Postal Service counters at Staples stores. Meredith Rizzo/NPR hide caption

itoggle caption Meredith Rizzo/NPR

While many women continue to work with little change in their duties while pregnant, others find that pregnancy can be a career liability. Yuri Arcurs/iStockphoto hide caption

itoggle caption Yuri Arcurs/iStockphoto

Rhonda Sanderson and her ex-husband, John Amato III, shown here in 2010, helped make a business thrive after they divorced. Courtesy of Rhonda Sanderson hide caption

itoggle caption Courtesy of Rhonda Sanderson

In the hiring process, there are things employers aren't permitted to ask, like whether you plan to have kids. Some employers turn to social media to learn more about job candidates. iStockphoto hide caption

itoggle caption iStockphoto

"Too darn funny what a co-worker put on top of her lunch. It was fake of course, but got the point across." Courtesy of Toni Kinnard hide caption

itoggle caption Courtesy of Toni Kinnard

Danielle Probst, 50, works part-time in food service at NPR headquarters in Washington, D.C. Previously, she worked in film and marketing and also had an internship at a social media marketing company. Jim Tuttle/NPR hide caption

itoggle caption Jim Tuttle/NPR

Some employees say e-cigarettes increase their productivity and help them steer clear of tobacco. But health regulators are looking into possible risks to e-cig users — and to co-workers. iStockphoto hide caption

itoggle caption iStockphoto

Retailers, including Wal-Mart, are trying to adapt their models to suit urban areas, including this mixed-use retail and residential development in Washington, D.C. Meredith Rizzo/NPR hide caption

itoggle caption Meredith Rizzo/NPR