Signs warn drivers of icy road conditions on Interstate 66 in Fairfax County, Va., in March 2014. The state's Department of Transportation recently added rush hour tolls to the road, using dynamic pricing, which continuously adjusts the cost based on congestion.
Karen Bleier/AFP/Getty Images
Kam Franklin (left) is lead singer of The Suffers, a band from Houston that started touring three years ago. Amber Daniel is lead singer and bassist of Blame the Youth from North Carolina. They're preparing for their first tour.
Courtesy of Jay Bee Zay and Allison Slade
This video still — released by the National Transportation Safety Board in April 2016 — shows the El Faro's stern underwater. The cargo ship sank in 2015 after sailing straight into a Category 3 hurricane, killing all 33 crew members aboard.
National Transportation Safety Board via AP
Forage fish like these at a Chilean processing plant are often used for fish meal used in aquaculture. But critics consider this inefficient and wasteful and worry it could deplete fish populations. Now several companies are developing protein substitutes to replace fish meal.
Julio Etchart/ullstein bild via Getty Images