March 6, 2013 The Wells Street drawbridge carries cars, buses, bikes, pedestrians and elevated trains across the Chicago River. Half of the 91-year-old bridge will be replaced in just nine days. The project is so complex that one Chicago transportation official compares it to open heart surgery.
March 6, 2013 KUNMAs the fresh snow falls in New Mexico's ski resorts and mild temperatures welcome visitors into the region, new ski enthusiasts are making their way to the mountain tops. Some ski resorts now offer lessons to people with disabilities, and owners say not only is it a great equalizer, it's also increasing business.
March 6, 2013 Forest elephants in central Africa are being slaughtered in record numbers for their ivory tusks, a decade-long study finds. The U.S. government and wildlife advocacy groups are struggling to slow the killings as poaching is overcoming laws and treaties intended to protect the species.
March 6, 2013 Sometimes you can't retire even if you want to. For Dian Sparling, a nurse midwife, there's no one to take over her practice. But at 71, delivering babies on call is harder than it used to be. "It would be horrible if I had to do this and stay up all night and I didn't love what I do," she says.