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Mario Lopez and Melissa Villaseñor look at the Mexican American experience through their family histories.

A federal investigation over allegations of discrimination, a controversial new library policy and escalating campaign tactics in the fight to win control over the school board push Bucks County closer to the edge.

The legacy of the Civilian Conservation Corps and its importance to the ecological efforts of countries around the world.

A pocket watch with fob chain circa 1885; a 1942 Donald Duck animation cel; a New England miniature chest circa 1825.

Stories about life in the World War II housing project Vanport City.

Louisa May Alcott "Little Women" books from 1869; Samuel Prince desk and bookcase made around 1775; a child's swan sled circa 1880.

Filmmaker Nick Beaulieu navigates racial justice and a personal reckoning with his conservative father.

Twenty-four hours a day, the latest national and international stories as they break.

A standing and barre posture workout.

Olympia and Otis compete with a rival precinct; people around town start moving in slow motion.

Aviva loses the MicroXT Power Chips for the Creature Power Suits, prompting the gang to search a huge field in Germany to try to find them.

A foggy Halloween almost derails Corky and Lily's trick-or-treating.

Lyla and Luke make a hamster playground; the Loops family embarks on a journey to figure out why Stu keeps beeping.

Dylan is excited to play his new game, but things take a turn when the game pieces fall into a floor vent; Carl is determined to get into the FuzzyWorld Book of Records.

While playing with his friends at school, Daniel decides he would like to spend some time alone; Daniel learns that when he wants to be alone, he can find a place of his very own.

A giant bookworm is eating its way through Reader Valley; Outta Space ruins a picnic by making it rain; Villains race the Super Readers.

Phoebe and Jay are asked to bird sit; photo time leads Jay to an outfit disaster.

Elmo tries to win a race without eating his sandwich, but learns that eating healthy food will give him energy; Cookie Monster tries to eat the sandwich for himself.

The Wombats create a summer version of Halloween; the Wombats design and build their own snow globe.

Big Sister Oak at Moss Mountain Farm; reflecting on a Wendell Berry poem and William Turner's art; how diversity in the garden strengthens everything; a tomato sandwich.

Sugar steak with rosemary pan sauce; using a sheet pan to make Turkish beef and pistachio kebabs; beer-braised short ribs with mustard and dill.

Roasted pork tenderloin with apples and shallots; how stabilizers in whipped cream work; gateau invisible with brown sugar-cinnamon whipped cream.

A tranquil valley lake.

A beautiful East Coast mountain scene.

Donkey and Panda search for hidden treasure; Cousin Hodie joins a day of games in Someplace Else.

For the Day of the Dead celebration, Rosie is in charge of the Catrina doll, but it keeps disappearing; Rosie celebrates Lunar New Year with the Lius.

Elinor and her dad learn how to make their own chocolate; after accidentally breaking a jade plant, the kids learn how the plant grows.

Alma finds a way for everyone to get books while the library is under renovation; Alma finds a doll in the park.

Piecing traditional quilt block designs, including the drunkard's path, blackbird pie and mill wheel; eliminating concave and convex curves.

Customizing the "barn block" with string piecing and double flippy corners.

Japan being the leading country in particle physics research, Peter Barakan explores the insights with experts, while Matt Alt examines technology with an entertaining angle.

English-speaking visitors travel the length of Japan, exploring the local culture, meeting the people and offering travel hints rarely found in guidebooks.

Turning an antique glass door into a display cabinet.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Competition for food becomes fierce as lion numbers rise; a lioness risks her life to feed her five cubs; Xudum's newborn leopard cubs face a threat.

Inside the escalating military struggle to control space and satellites; how the satellites we rely on are vulnerable to attack, how debris is filling crowded orbits and what can be done to protect them.