Citizens of Dhuluiyah, Iraq, must take boats to get in an out, since one of the town's two bridges was blown up by the Islamic State and the other was commandeered by tribesmen defending them. Ahmad Al-Rubaye/AFP/Getty Images hide caption

Gloria Gxebeka (left) visits Leona Mqhayi and types her health information into a cell phone Anders Kelto/NPR hide caption

To keep kidney stones at bay, drink plenty of cool, clear water. iStockphoto hide caption

China's WeChat messaging app has a huge audience that allows Chinese to organize online. Petar Kujundzic/Reuters/Landov hide caption

Iraqi Yazidi women who fled the violence in the northern Iraq take shelter in the city of Dohuk on Aug. 5. The Yazidis, are a small community that follows an ancient faith and have been repeatedly targeted by jihadists. Yazidi leaders say several thousands members of the community have gone missing in recent months. Safin Hamed/AFP/Getty Images hide caption

Sunlight streams into a corn storage building at a Michlig Grain storage facility in Sheffield, Illinois, U.S., on Oct. 31, 2014. The price of corn has been falling for months. Daniel Acker/Bloomberg via Getty Images hide caption

Massachusetts composting companies like City Soil, which turn food waste into compost that can be used on gardens and farms, say they expect to get quite a bit of new business from the food waste ban. Courtesy of City Soil hide caption

Ray Gerrish repairs a drilling rig near Watford City, N.D. Oil industry analysts predict that oil prices will have to remain low for at least several months before having a significant effect on U.S. production. Jim Gehrz/MCT/Landov hide caption

A stats board displayed at the Domino's flagship store in Grand Rapids, Mich. Emily Fox/Michigan Public Radio hide caption