This segment from American Experience: Simple Justice explores the issue at the heart of Brown v. Board of Education: whether the Fourteenth Amendment applied to segregated schools.

This segment from American Experience: Simple Justice reenacts Thurgood Marshall's closing statement in Brown v. Board of Education.

This segment from American Experience: Simple Justice explores the dynamics and arguments among the Supreme Court justices who ruled in Brown v. Board of Education.

Through flashback, L.D.Cox tells how he survived the sinking of the U.S.S. Indianapolis during World War II in this segment from History Detectives.

In this video segment from Nature, learn about the role of dogs in the Inuit culture.

This video from Wide Angle profiles Rwanda's new economy through the small business of Epiphanie Mukashyaka, a woman widowed by recent genocide.

In this video segment from Nature, learn about the role of dogs in the lives of humans.

Learn more about the theory that dogs evolved from wolves in this video from Nature.

In this video segment, poet Sonia Sanchez recites her poem Malcolm, as a eulogy to the slain civil rights leader, Malcolm X. Recorded for Eyes on the Prize.

Poet Sonia Sanchez, interviewed here for Eyes on the Prize, describes what the outspoken civil rights leader Malcolm X represented to African Americans in the 1960s. ***Access to Teacher's Domain content now requires free login to PBS Learning Media.

This interactive simulation, adapted from the University of Colorado's Physics Education Technology project, illustrates sound waves. Adjust the frequency and amplitude to see and hear how the waves change.

Protecting their farms from elephants is a daily fight for African farmers in the Sahel. In this video segment from Africa, learn about the relationship between the African farmers and elephants in the Sahel.

This video segment from WILD TV features a family that rescues and releases squirrels to their natural habitat.

See how Boston middle and high school students shape urban planning in their own neighborhoods, through place-based Bioacoustics and Urban Trees curriculum projects.

Learn about the role local churches played in bringing Hutus and Tutsis together in the aftermath of the Rwandan genocide in this Wide Angle video segment.

Mohanned Abu Tayyoun describes the events that occurred on the day of his intended suicide bombing in this video segment from Wide Angle.

This video segment from A Walk Through Harlem features the poem "The Negro Speaks of Rivers" by Langston Hughes.

The Baka are a semi-nomadic forest people who live in the republic of Cameroon in central Africa. In this video from Africa, the Baka men meet with a government official for help to protect their forest.

This interactive activity from A Science Odyssey offers a historic tour of 20th century home technologies.