This full-length podcast tells the story of Mexican immigrant migration to the U.S. The complete transcript is printed for further student use and reference.

What drives monarch butterflies to undertake a mass migration, traveling thousands of miles to pine groves in Mexico? New research takes a look at a complex circadian clock mechanism in the butterfly brain, a molecular tool that allows...

NPR's Morning Edition chronicles the plight of Latino migrants who attempt to cross the border into the United States.

Geese head south for the winter, and the swallows return to Capistrano - but how? In this hour, we'll talk about how birds make their migratory journeys, and how scientists are trying to study their travels.

Based on a special BBC series that explored the lives of young Latin American immigrants to the United States. Listen to eight short segments that touch on a range of themes: hopes and fears, bilingual education, the effect migration has...

A traditional Irish ballad about the Irish Potato Famine and the mass migration that resulted therefrom.

This downloadable song by Sara Jordan tells how different animals survive during the long cold winters. After listening to the four choices in this song, which do you think humans do?

Rob Monaco discusses the Hyksos, a group of people migrating to and settling in Egypt between about 1630 B.C. and 1532 B.C., in this episode 15 [21:08] podcast history.

The ancestors of Native Americans may have lived for millennia on the Bering land bridge before fanning out across the Americas.

NPR covers the controversy in El Paso, Texas, as the sheriff and his deputies try to enforce immigration laws in the area. Audio report is from August, 2006. Links to other NPR reports accompany this article.

Genetic analysis of DNA from a single prehistoric finger bone may point to a new branch of the human family tree.

The best-selling novelist has a soft spot for birds.

Sure, there's always the first robin of spring, and the swallows returning to Capistrano -- but what other birding sights should you be on the lookout for as the weather warms?