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Scientists explore glaciers, oceans and frozen frontiers to discover hidden worlds and clues to life beyond Earth.

A visit to the Maldives focuses on coral reefs and the urgent efforts to help them survive climate change.

Geoffrey Baer meets dancers, musicians, architects and writers in Havana and experiences the color, culture and history of the city.

The struggle for freedom by the ancestors of Maya Rudolph, Shonda Rhimes and Keenen Ivory Wayans.

An all-standing beginner workout liberates every layer of connective tissue allowing for free and easy movement without pain.

Two abdominal exercises, plus two versions of the plow position.

Martin and Chris try to rescue a foal who is separated from his mother by a rogue wave.

The Hunters investigate a mysterious rain that happens with no clouds in the Indonesian rainforest.

Luke, Lyla and Everett test vacuums; Lyla makes cookies using substituted ingredients.

Carl and Sheldon are on a thank-you mission; Carl shows his friends the right way to play with pet rocks.

King Friday makes Daniel king for the day, and he learns that the most important part of the job is to be kind to his neighbors.

Phoebe and Jay learn how to sort items; Phoebe and Jay learn how to make food labels, so everyone can participate in the potluck.

Grover tries to cheer up Elmo, who is feeling sad after his dad leaves for a work trip.

The Wombats use a 3D printer to save Cake Day when Mr. E's cake table collapses; the Wombats create a pretend vacation to cheer up Buckley.

Duck enjoys "me time" at the beach; the pals like different things at Donkey's sleepover.

When Rosie and Javi find out Tia's bringing home a dragon, they anxiously prepare for its arrival; Rosie finds a lucky charm in her backyard, but soon her luck starts to change.

After a disagreement, Olive and Ari learn about how nature works, which helps them resolve their issue; the kids learn about meadows.

Pioneering scientists find solutions for dying coral reefs in Hawaii; hidden history from Georgia's Okefenokee Swamp; a huge urban garden in Los Angeles brings food, education and fun to often neglected neighborhoods.

Overture by Grażyna Bacewicz, Rhapsody on a Theme by Paganini, Op. 43 by Sergei Rachmaninoff, Symphony No. 8 in B minor, D. 759, "Unfinished" by Franz Schubert, and Konzertstück in F major for 4 horns and orchestra, Op. 86 by Robert Schumann.

From beavers reshaping wetlands to crayfish living deep underground, aquatic systems reveal the prairies' hidden vitality.

Following nature's rhythms from fireflies at dusk to cicadas emerging after years underground; in the prairie, pollinators keep wildflowers blooming while ancient rocks shelter microorganisms and preserve echoes of vanished seas.

A bratwurst combination features chicken, spinach and feta.

Changing the direction of your life and relationships by adopting a new set of beliefs.

Alma tells all her friends that Howard is moving; Alma wonders if she should buy new materials for her recycled art project.

Agents compete in Olympic-style games, with the winner being named Ms. O for the day.

Molly finds a newt in her boot while exploring Wizard Island; Molly tries to return a rock to its rightful place.

Alvin Ailey shows Yadina that music and dance can help bring people together; Xavier learns that his imagination can keep him company when he feels lonely.

Buster heads off to summer camp; Arthur is jealous of Buster's magic tricks.

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.

Featuring the art, history and cultural heritage of western Minnesota and beyond; funding for the production of Postcards comes from the Minnesota Arts and Cultural Heritage Fund.

Exploring blooming annuals at Bergeson Nursery; how gardeners can maximize color.

Grammy Award-winning R&B innovator Miguel performs songs from his album "CAOS," alongside fan favorites.

News. Reporting on the day's international news from London and from BBC correspondents around the world.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.