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Scientists and filmmakers explore the icy waters of Antarctica to observe how killer whales hunt.

New evidence sheds lights on the life and mysterious collapse of Cambodia's ancient jungle city.

Experts combine history, archaeology and forensic investigation into a quest to prove women fought alongside men in Rome's ancient amphitheaters.

The Clean Air Act has reduced particulate matter pollution, ground-level ozone, carbon monoxide and more.

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.

The Swell Season -- led by Glen Hansard and backed by Markéta Irglová on piano and two of Hansard's band mates from The Frames on bass and violin -- perform their melodic, original songs.

Possom Lodge adopts a three-mile stretch of highway; Red builds a party-sized barbecue from bathtubs.

The culture, people and issues of eastern New Mexico.

California Indian history informs the work of contemporary fine art photographer Cara Romero, whose visuals capture Indigenous and non-Indigenous cultural memory.

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

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

Interviews and investigative reporting on the people and movements driving positive systemic change.

Cindy Blackstock, director of the First Nations Child and Family Caring Society, advocates for Indigenous children in Canada.

Mapping the roots of actress Lizzy Caplan and comic Hasan Minhaj, moving from shtetls in Eastern Europe to farmlands in northern India.

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

Scientists and filmmakers explore the icy waters of Antarctica to observe how killer whales hunt.

New evidence sheds lights on the life and mysterious collapse of Cambodia's ancient jungle city.

A beginner, full-body workout to improve posture includes stretching connective tissue in the back, chest and core.

Strengthening the back for better posture and self-assurance.

An H2O harvest of crawfish in Louisiana; exotic recipes made with Belgian endive; "working dogs" look for dangerous pests; an Ohio farm family marks 200 years on the farm.

Gardening with both plants and pollinators in mind.

Bluegrass band Authentic Unlimited.

Brandon Lee Adams and Jenee Fleenor sit down for an informal conversation talking about life, the musical journey, and the inspirations that happen along the road.

Banjo picker Brannock McCarton; bluegrass fiddle player John Maupin.

Bluegrass musicians Cutter & Cash; yodeler Phoebe White.

A charming little rowboat awaits its next journey.

Portland Head Light is a historic lighthouse in Cape Elizabeth, Maine.

An entry-level, standing and barre workout provides a deep stretch that relieves tension and pain in the muscles and joints while rebalancing the body.

Exercises that improve spinal flexibility, wrist strengthening and warming the joints with self-massage; a gentle stretch segment using a large ball to improve overall range of motion.

Removing and saving the kitchen cabinets for reuse; tackling the chimney teardown; foundation plans.

Upgrading a home to a solar-assisted split heat pump water heater; three common houseplant pests and simple tricks to banish them; installing an attic ladder.

Painting swirling clouds and gnarled trees of the Great Smoky Mountains.

Layering and pinning quilt tops; sewing machine quilting options from basic to creative; quilt layers by stitching in the ditch, decorative tie stitches and fearless stippling.

Chicken livers with hot honey; Ben preps for his art show; sampling sweet, honey-themed dishes.

White Flower Farm in Connecticut's Litchfield County; Dumais Made, a ceramics studio specializing in home decor; Cider Hill Farm's hayride tour, antique apple varieties and cider donuts; Red Kite Candy in Hanover, N.H.

A guided tour of Zurich; Museum Fur Gestaltung; Felsenegg cable car ride; Mount Uetilberg; Hiltl, the oldest vegetarian restaurant in the world; Yonex Badminton Halle.

Jewish-style potato latkes; kimchi jjigae.

PeaceWorks creator Daniel Lubetzky's KIND Foundation gives profits from his company to fund philanthropic ventures.

The renowned political scientist discusses global news and interviews world leaders.

John Katko strives to bring balance to discussions on divisive political issues.

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.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

New evidence sheds lights on the life and mysterious collapse of Cambodia's ancient jungle city.

A growing crisis unfolding quietly across America: the increasing number of seniors facing homelessness. Set in Portland, Oregon, this poignant documentary follows the lives of three older adults navigating the harsh realities of life without a home. Through their stories of hardship and resilience, the film offers an intimate portrayal of the challenges they face, while also shining a light on th

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

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

John Katko strives to bring balance to discussions on divisive political issues.

Amanda has to give up the hotel if she and Frida are to have a future with Uwe in Germany; Weyse shocks the theater; Kitty searches for the diamonds.

Two award-winning short films "A Tale of Two Teas" and "Culinary Art School in Tijuana Celebrates 20 Years of Building Pride and Prosperity.".

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

Professional basketball player Candace Parker discusses how to develop a winner's mindset and achieving one's goals.

How compassion fatigue affects everyone, and exploring ways to manage it.

Removing and saving the kitchen cabinets for reuse; tackling the chimney teardown; foundation plans.

Upgrading a home to a solar-assisted split heat pump water heater; three common houseplant pests and simple tricks to banish them; installing an attic ladder.

A zipper factory; Prince Tuesday is left in Mr. Aber's care.

Binky spends the day with Bitzi Baxter and finds out what it is like being a news reporter; D.W., Bud and Rapty revisit the case of the missing snowball.

While investigating exoskeletons, the hercules beetle accidentally gets enlarged.

The Hunters learn how temperatures can affect outdoor plants and gardens.

Lyla figures out how to do a magic trick with clues from Miss Emmaline; Luke finds a puppy.

Carl thinks his potato display is the best idea to show his school spirit; Nico tries to join the Junior Nutty Buddy Nut Lovers' Club.

Teddy is nervous for a boat ride on Trolley.

The Fuentes kids make a fort in the living room but disagree about what to put in it; Rosie and Javi build a car for a derby race.

After looking at the moon through Yasmine's telescope, Tamir, Elmo and Zoe pretend to be astronauts traveling to the moon.

The Wombats build a Cause and Effect machine; Super's best friend Chanaa pays a visit.

The pals and Trolley try to keep a snow snurdle from melting; Panda invites his pals to a party on Planet Purple.

Gertie helps Pinkalicious find her inner courage when it comes time to learn a new move in karate class; the school experiments with googly eyes.

Fried artichokes with mudrica; olive salad; crawfish bread; Italian fig cookies.

Cooking recipes inspired by a visit to Sonora; two family-run street food stands in Sonora -- Johnny's Tacos in Hermosillo and Los Bochos in Cocorit.

The team explores plans for a new layout and rear addition for an 1896 Queen Anne; removing and saving an old brick walkway.

Removing and saving the kitchen cabinets for reuse; tackling the chimney teardown; foundation plans.

Upgrading a home to a solar-assisted split heat pump water heater; three common houseplant pests and simple tricks to banish them; installing an attic ladder.

The Cadillac LYRIQ-V; the luxury utility Genesis GV70; throttled up hot rods; a look back at the Suzuki Samurai.

How to compose a painting from memory; creating the proper underpainting mixture for the shadow of snow and then applying it; dry-brushing phase one of the snowdrifts.

Japanese A5 rib-eye, sesame salt and grilled rice cakes; wagyu steak tomahawks with fire-roasted marrow; wagyu smash burgers with Parmesan crisps.

Biscuit breakfast sandwiches; picture-perfect pancakes; spiced pear, buckwheat and almond pancakes.

Shanghai scallion oil noodles; the story of Grace Young and her support of Chinatowns across America; American-style egg rolls.

Scientists and filmmakers explore the icy waters of Antarctica to observe how killer whales hunt.

Science, health, technology and environment experts and professionals address issues such as artificial intelligence, race, medicine and climate science.

Stay informed with the latest breaking news and headlines.

A 1901 Alexander Fisher enamel; a 1992 Olga de Amaral "Lost Image VII" tapestry; a signed 1936 "Gone With the Wind" first edition.

General Howe takes Philadelphia, but the Americans' surprising victory over General Burgoyne at Saratoga encourages France to support the U.S.

The first Irish diaspora to Europe in the 1600s; the Irish look westward for new hope -- the British Colonies of North America.

Queens of the Stone Age showcase "Alive in the Catacombs.".

New evidence sheds lights on the life and mysterious collapse of Cambodia's ancient jungle city.

A journey around the world for a view into the lives of birds, from nesting and flying to feeding and providing for chicks.

Queens of the Stone Age showcase "Alive in the Catacombs.".

"Encounter With the Unknown," the allegedly based-on-actual-events Rod Serling-narrated snoozer from 1972.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

Preparing food in a restaurant; X the Owl's bossiness angers Henrietta.

Arthur's parents play judge and jury in a family argument; Muffy wants older friends after reading Mature Miss magazine.

The Wild Kratts discover how pond animals survive during winter.

Benny becomes enamored with the mail carrier, and wonders how she delivers the mail in different weather conditions.

The Loops go on a scavenger hunt around the supermarket to solve clues to get tickets to "Oaty Zappers on Ice"; Lyla tries to act older so she can hang out with her cousin.

Lotta is frustrated learning a new dance, but realizes it is ok to experience music in her own way; Sheldon worries about telling Carl that he doesn't want to play pirates anymore.

Daniel and his friends play T-ball and find that Henrietta is a dance teacher and a T-ball coach.

The Fuentes Family gets a hammock from Abuela, but the kids must set up rules to keep things fair; Tía baked Iggy a dino cake for his birthday, but Rosie and Javi break her rule of not touching the cake, and now it's smushed.

Elmo, Grover, and all their friends help Charlie build a Little Library for her Mitzvah Day project for her synagogue. Helping neighbors share books is Charlie's way of making the world a kinder place.

Mr. E has a lot of ping-pong balls and the survey says that he should sell the purple ones; Super's lost her glasses and the Lost and Found Patrol try to find them.

Duck Duck's magic trick goes awry, turning her neighbors' things into pickles; Donkey is afraid to scooter after a fall.

Pinkalicious becomes friends with an owl in her backyard; Pinkalicious and Peter build an igloo, but soon realize they need a bigger one when all of their friends want to sleep over in it.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Two of the students who participated in a strike following the Supreme Court decision outlawing school segregation in Prince Edward County, Va.; activists who started grassroots schools; a man who started a whites-only segregation academy.

Investment tips in stocks, bonds, real estate and collectibles.

Social, political and economic trends of American agriculture.

Gardening with both plants and pollinators in mind.

The influence of Dutch culture on flowers; Oregon Flowers; a hand-tied bouquet; arranging flowers in Delft pottery.

Researching the identity of America's first peoples leads to Amazonian cave paintings, Mexican burial chambers, New Mexico's Chaco Canyon and waves off California's coast.

New evidence sheds lights on the life and mysterious collapse of Cambodia's ancient jungle city.

Experts analyze prominent international affairs topics and America's role in a shifting world.

Exploring discrepancies between the science of evolution and the beliefs of religion; how religion itself evolved.

Charlie Phelps hires Eliza for a case involving his uncle, Dylan Cooper; it turns out that Scotland Yard is also after Cooper, putting Eliza in the middle.

Tristan's romance with Charlotte is blossoming but he's nervous about impressing her dad.

Book must race against time to uncover the truth before anyone else ends up dead; Jack gets an unexpected answer when he confronts Trottie and Book.

On Christmas Eve, Wayne, Mira and Matty attend a jet ski accident on a remote island; a community fundraiser takes a dramatic turn; Pete opens up to Eliza.

Zugspitze; touring Innsbruck, Austria; a Tyrolean village festival; crossing the Alps into Italy to tour a medieval castle and explore the rugged Dolomite Mountains.

Performances by bands and artists from around the U.S.

The punk-pop-art-dance band The Suburbs; Matt Wilson of Trip Shakespeare fame.

Charlie Phelps hires Eliza for a case involving his uncle, Dylan Cooper; it turns out that Scotland Yard is also after Cooper, putting Eliza in the middle.

Tristan's romance with Charlotte is blossoming but he's nervous about impressing her dad.

Book must race against time to uncover the truth before anyone else ends up dead; Jack gets an unexpected answer when he confronts Trottie and Book.

On Christmas Eve, Wayne, Mira and Matty attend a jet ski accident on a remote island; a community fundraiser takes a dramatic turn; Pete opens up to Eliza.

Mapping the roots of actress Lizzy Caplan and comic Hasan Minhaj, moving from shtetls in Eastern Europe to farmlands in northern India.

A full-body standing and floor workout stretches and strengthens all muscles and tones the lower body.

A seated segment to strengthen legs, abdominal muscles and the lower back; standing postures to tone the legs and stretch the hamstrings and hips.

The top restaurants in the Palm Beaches; watching the chefs work at the restaurant owned by Tiger Woods; gulab jamon; key lime pie.

Why country estates are named castles or abbeys; The Shambles; how the Quakers and chocolate shaped York's history; Herriot's country.

Dancing on the beach in Nazaré, Portugal; medieval abbey in Batalha; royal library; port wine; exploring Porto, Portugal.

Bibimbop rice bowl; salmon with red curry Asian slaw; brown sugar-glazed pork and onions.

Cooking recipes inspired by a visit to Sonora; two family-run street food stands in Sonora -- Johnny's Tacos in Hermosillo and Los Bochos in Cocorit.

My Cajun Kevin po'boy; tasso potato croquettes; zydeco omelet.

The Travis County Master Gardeners Tour.

Vegan sukiyaki; basmati rice with cashews and scallions; maple-sweet potato mini-pies.

Strengthening and stretching all muscles and releasing joint tension or pain in the hips and hamstrings.

A variety of exercises to work all of the abdominal muscles; finger exercises to keep the hands mobile; leg exercises for balance.

Charlie Phelps hires Eliza for a case involving his uncle, Dylan Cooper; it turns out that Scotland Yard is also after Cooper, putting Eliza in the middle.

Tristan's romance with Charlotte is blossoming but he's nervous about impressing her dad.

Book must race against time to uncover the truth before anyone else ends up dead; Jack gets an unexpected answer when he confronts Trottie and Book.

Discovering the culture, history and flavor of New Orleans through the eyes of dynamic women shaping its future; Commander's Palace; exploring City Park, jazz halls and Mardi Gras traditions.

Jorge meets the Baja Orchestra and visits the Alma Verde restaurant.

A Florida blueberry farm; the history of popcorn; unique asparagus recipes; a New Orleans rooftop farm.

The Czech heritage and railroad history of Temple, Texas; making kolaches; dining at Old Jody's; hiking; sporting clays course; pizza.

Government Canyon; Martin Dies, Jr. Paddling Trails; Scrappin Valley.

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.

Archival footage and interviews with family members, historians and civil rights veterans trace the arc of Medgar Evers' life and work.

Archival footage and interviews with family members, historians and civil rights veterans trace the arc of Medgar Evers' life and work.

A 19th century C. Jim Williams-owned Federal hunt board; Jesse Arms Botke oil circal 1940; a 1978 Tom Petty and The Heartbreakers-signed poster.

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