"Art:21," the PBS series about contemporary art, examines different types of humor found in the work of contemporary artists Charles Atlas, Eleanor Antin, Raymond Pettibon, Elizabeth Murray, and Walton Ford. See video clips of the shows...

Explore materials science as it pertains to developing alternative ways to create clean energy. Subject matter is geared toward creating a sustainable future with a zero-waste world. [53:00]

Controversy over whether to vaccinate children is an ongoing issue for parents and health professionals. This video presents the pros, cons and risks of vaccinating from different perspectives. There are text interviews with various...

National Boarder Control Council President discusses his views and experiences at the U.S.-Mexican border. Text, audio, and video of this August, 2006, interview are available.

Here you can find a detailed biography of Lyndon B. Johnson and an overview of his presidency. Content includes a focus on LBJ's early career, domestic politics, foreign affairs, presidential politics, and legacy. A teacher's guide and a...

Explore Janusz Skulski's drawings of the battleship Yamato, and discover what made the ship both seemingly unsinkable and highly vulnerable to attack.

Narrated animation that visually explains how wiring a set of batteries in series increases voltage. (30 secs) Uses Quicktime.

Narrated animation that visually explains how the air displaced by a blimp causes a buoyant force that gives the blimp lift. (30 secs)

PBS Kids: Animations: How Does a Lever Work?

A 2 hour video by historian Henry Louis Gates who interviewed many people who have studied Abraham Lincoln through the years. Information on Lincoln from his early years to his assassination.

An essay by Richard Rodriguez dicussing the writing and impact of William Saroyan. Discusses Saroyan's writing style and his background and how they intertwine in his work.

As concerns grow about the sustainability of meat production, some startup companies say they may have a solution: growing meat from animal cells in laboratories. NewsHour Weekend's Megan Thompson visited two startups in California...

It's impossible to say that climate change is responsible for any individual storm or hurricane, but climate change is making these storms stronger. How much stronger? It turns out, Hurricane Harvey is the ideal test case to measure how...

Examine the characteristics and behavior of horses while watching kids use the scientific method to determine whether horses can communicate with their ears.

A short video explaining the seasons and how nature changes within the year. Video also discusses how we change to adapt to the different seasons. [3:00]

Learn about comparing numbers in this fun clip from the Odd Squad. Ms. O desperately wants to get back on Santa's nice list before Christmas. With a little help from Oscar, will she get there in time?

Use this fun example to compose 10 from numbers within 10. Agent Oscar shows agents how to combine gadgets to form the gadget they need.

This video will help children with identifying shapes. Olive introduces the eccentric characters at Shapely Manor: Lord Rectangle, Miss Triangle, General Pentagon, and Professor Square.

Olive and Otto need to add multiple small numbers together in series. There's only one thing to do: go to the Mathroom.

Learn about symmetry with the Odd Squad. Oscar shows off the Odd Squad pools and tells about the symmetric scientist who created them.

Learn about Wyoming's Native American Veterans as three United States military veterans who call the Wind River Reservation home tell their stories.

Watch Cherokee singer Paula Nelson perform two songs that were taped at the 2006 Festival of Native Peoples in Cherokee, N.C.

Historians describe several local sites in Kentucky on the Underground Railroad, and tell the story of the Cincinnati 28, who made a daring escape and then hid in plain sight as they passed through Cincinnati.

In the construction industry, written communication may be used to document things that happened or need to happen, make orders, and ask and answer questions. To write effective messages, follow a proven process for writing.