In this video from NOVA scienceNOW, learn how scientists detect potential signs of life on distant planets.

Students practice data collection by gathering data within the classroom on common causes of allergies. They examine and interpret data charts on national trends in allergies.

Diane Nash was a college student when she started leading sit-in demonstrations to protest discrimination. In this interview, recorded for Eyes on the Prize, Nash describes her role in the Civil Rights movement.

This video segment from Greater Boston examines whether environmental toxins may be to blame for a rare skin disease.

In this video segment from Nature, learn about six different breeds of cattle.

In this segment from Curious, learn about creating energy from solar rays to meet the growing energy needs of the world.

The CyberSquad tracks Digital position in time and then studies graphs to figure out what Hacker is scheming in this video from Cyberchase.

The disappearance of bees will have tremendous impact upon the way we live according to scientists in this segment from Nature.

Problem solving is often guided by disciplinary frames of reference, which can restrict our ability to see other possibilities. This exercise uses object-based learning to underscore the idea that there is more than one way of analyzing and knowing the world, and that through multiple ways of knowing, we develop more complex understandings and new solutions. Through the process of critique, an essential part of visual-arts pedagogy, students practice analyzing and reflecting both individually and in groups.

This Wide Angle video segment compares two families in Turkey one more religious, and one more secular.

The Fourteenth Amendment established the equal protection clause, later used in key desegregation cases.

The Supreme Court's 1896 ruling legalized the separate but equal doctrine that sanctioned segregation.

The Supreme Court's 1927 opinion in Gong Lum v. Rice affirmed legalized school segregation.

This 1946 federal court ruling marked a victory for Mexican Americans and chipped away at the separate but equal doctrine, declaring segregated schools based on national origin unconstitutional.

The Supreme Court's landmark opinion overturned its earlier ruling in Plessy v. Ferguson and declared segregated schools unconstitutional.

The Supreme Court's opinion in Brown II reflects the struggle between federal and state governments on how and when school desegregation would occur.

The Civil Rights Act of 1964 helped enforce the Brown ruling, a decade later.

This collection of excerpts from legislation and court decisions documents key phases of the legal struggle to gain and implement equal education.

In this video segment from New York Voices, botanists study plants to inform agriculture and climate change.

In this video segment from Africa, learn about the Dama, a rare event and rite of passage for the Dogon in Mali.