The researchers say Mali suffered less because it depended less on imported rice, in part because of geography.

VOA: special.2010.03.23

This week: We test our geography skills at the National Geographic Bee in Washington,D.C.

VOA: special.2009.05.29

"There is absolutely no difference in the content of social studies, history,geography,math and science.

VOA: standard.2010.07.12