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

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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

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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

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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

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Courtesy of Dr. Soo-Yeun Lee