French clubs like this one have become de facto support groups for African immigrants in Lewiston, Maine. Susan Sharon/MPBN hide caption

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Susan Sharon/MPBN

In Maine, A Common Language Connects French Canadians, African Immigrants

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Having volunteers who are learning German answer questions about grammar and semantics of the language while inside an MRI machine might show particular patterns in brain changes, researchers say. They hope their study could offer clues to how the brain best learns a second language. selimaksan/Getty Images hide caption

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Learning German In The Name Of Science And Cross-Cultural Collaboration

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Siatta Scott Johnson (at right), who has guided NPR journalists through Liberia and its lingo, advises two girls on how best to carry bananas and bread. Michaeleen Doucleff/NPR hide caption

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An Indian schoolgirl dressed as Telugu Talli poses for the camera during a celebration in Hyderabad, home to a study that seems to show the onset of dementia is delayed for people who speak more than one language. Noah Seelam/AFP/Getty Images hide caption

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Noah Seelam/AFP/Getty Images

Chances are they already speak more languages than you: children from Papua New Guinea's Andai tribe of hunter-gatherers wait for their parents to vote in the village of Kaiam. Over 800 languages are spoken in PNG, a country of about six million people. Torsten Blackwood/AFP/Getty Images hide caption

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