Two trucks crashed on a road toward Saint-Marc in Haiti. One truck was carrying Coke bottles, the other was full of people. The head-on collision knocked the bed off the back of one truck, killing several and injuring many more. Christopher Joyce/NPR hide caption

itoggle caption Christopher Joyce/NPR

A closeup of Eurytemora, a kind of copepod that serves as a reservoir for the cholera bacterium. Courtesy of Dr. Rita Colwell, University of Maryland hide caption

itoggle caption Courtesy of Dr. Rita Colwell, University of Maryland

Tyrone Harvey, 43, of Washington, left, talks with his doctor Gail Nunlee-Bland, M.D., about his diabetes. Harvey uses a cell phone to help manage his disease. Jacquelyn Martin/AP hide caption

itoggle caption Jacquelyn Martin/AP

Scientists hope a soy-based, curry-flavored snack food will appeal to malnourished Indian kids. Courtesy of Dr. Soo-Yeun Lee hide caption

itoggle caption Courtesy of Dr. Soo-Yeun Lee