Rockets are important tools that allow scientists and astronauts to explore space.

Katherine Harmon discusses the effects of head injuries on the teenage brain.

Barrett Smith outlines the steps and significance of the scientific method.

The speaker reflects on their family’s roots in Vilna, a city that a vibrant Jewish community called home before the Second World War.

José Martí discusses leadership in Latin American nations.

Tori Rodriguez discusses the impact that not getting enough sleep can have on teenagers’ mental health.

In this poem, John Keats describes a series of images on a Grecian urn.

A speaker describes the experience of caring for someone close to her.

Shelby Ostergaard discusses the purpose and history of propaganda and how it influences people.

Tania Lombrozo explores why humans tend to prefer their own opinions over the opinions of others.

A speaker describes taking his nephew for a walk in the forest.

Facing numerous challenges, refugee students in Dallas schools look to one another for support.

A young boy unsuccessfully tries to steal a woman’s purse.

Jessica McBirney describes the life and accomplishments of three African American women who worked for NASA during the Space Race.

A dean of admissions dispels the myth that students should showcase perfection on a college application, and explores the relationship between past failures and college success.

A speaker describes a woman’s beauty.

In an open letter to the American people, Choctaw chief George W. Harkins expresses his opinion about the Indian removals.

A speaker describes a memory of her mother sleeping.

Solitary confinement can have a strong impact on a prisoner’s mental state.

Grace Hopper was one of the first female programmers and helped develop the first modern computer.