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Five ecosystems are reshaped by climate change as ice fields and underwater forests vanish and become replaced by new ecosystems.

A stop at Castle Farms features a WWII painted A-2 flight jacket, a John Bailey dwarf clock circa 1800 and a 1973 Charles Schulz-signed drawing and book.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

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.

Discovering Brahms' private world in Germany, including his personal photo collection and a visit to his summer hideaway.

Marquis de Lafayette left France at the age of 19 and helped fight for America's freedom.

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.

New Mexico's Guadalupe Mountains contain fossilized ocean reef.

After a pet detective turns up dead inside the kennel of a dog he was searching for, Barnaby and Winter are drawn into the world of dognapping, cat seduction, and animal investigation.

After a pet detective turns up dead inside the kennel of a dog he was searching for, Barnaby and Winter are drawn into the world of dognapping, cat seduction, and animal investigation.

A look back at the Roman-tinged Hippodrome; ancient ritual of the Turkish bath; the Blue Mosque; the grand Hagia Sophia; Spice Market; exploring Topkapi Palace.

CNN host and The Washington Post columnist Fareed Zakaria investigates the eras and movements that have shaken norms while shaping the modern world.

Three formerly incarcerated folks explore higher education outside of prison.

Seated shoulder and upper back stretches; standing hip openers.

Strengthening and stretching the ribs, shoulders and back while rebalancing hips and hamstrings.

A scene with two waterfalls.

An ice cream vendor shares stories about selling treats and the joy it brings across generations; Roger paints an ice cream sundae using oils, capturing light and texture.

Easy ways to layout, cut and mark fabric; sewing darts; gathering four different ways; adding elastic.

Making the roof on the symmetric block.

Pop Art style pet portraits; pre-building layers on a silicone mat before adhering it to a background.

Local county extension agents diagnose all kinds of gardening problems, test soil, and educate local communities.

Favorite dishes from childhood.

The secret to healthy soil; touring a front yard stream inspired by flooding.

Jeff and Jamie step in to save a 120-year-old grocery store in the South End, but moving a fragile, historic structure is risky.

Relocating and rebuilding the original built-in China cabinet in the dining room; installing bathroom sconces; prepping the front door for a new mortise lock.

Painting an arch accent wall in a nursery; debunking plant myths; installing a pea gravel patio using a binding agent to keep stones in place.

A lattice work tower is perfect for climbing plants; a cedar gate forms the perfect entry point for a garden.

The Chevrolet Blazer EV; Volkswagen Tiguan SEL R-Line Turbo.

Artichokes braised with parsley and prosciutto cotto; chocolate amaretti with hazelnuts; timballo with sausage ragul.

Japanese fried pork chops; reviewing types of Japanese rice; Japanese curry rice with chicken.

Grilling up some lamb burgers; grill cookware; sweet potato fritters with feta, dill and cilantro.

Velvety Turkish scrambled eggs with yogurt; recipes for wok-fried eggs and soy sauce eggs; Cantonese-style shrimp omelet on rice.

Burt and Nicholas set out to discover the origins of the word "resort," first used in England to describe holiday towns.

Sustainable cacao chocolate in Costa Rica; Berlin's curry wurst; North Carolina's tomato pie; Melbourne's classic pasta and espresso; New Orleans' coffee blends; Rothenburg's powdered "snowball" pastry; Michigan's cherry ice wine.

The classroom inside prison where educators equip scholars with the resources to define their own paths; the roadtrippers reflect on their own journeys and learn what it takes to set themselves free.

Pacifica delivers a high voltage fusion of punk, electropop and synth-pop.

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

A royal tour of London begins at Buckingham Palace; Houses of Parliament at Westminster; Churchill's underground war rooms; cruising the River Thames to the Tower of London.

Chronicling the changes in fashions coupled with the changing musical styles from the 1920s through the 1950s with songs like "Alice Blue Gown," "In the Mood," "True Love" and "Runnin' Wild.".

Lionel doesn't want to attend Jean's old-age party until he hears that Mrs. Thrupp will be in attendance.

Everyone is in shock when an eccentric woman moves into Daddy's bedroom, claiming to be his fiancée and the sisters' stepmother-to-be, and it's up to Hyacinth to break up the insane engagement and get rid of the woman for good.

Father Brown investigates when his old friend, Blind 'Arry, is arrested for murder.

A distillery owner is poisoned during a group tasting of his premium rum, but the case is shrouded in mystery when it's revealed all the guests drank from the same bottle.

Mike and his team explore the world of antiquities when one of the hosts of a hit series is found murdered.

Best known for his electric guitar, Buckethead's music spans metal, funk, blues, jazz, bluegrass and avant-garde.

Progressive R&B from rapper Lil Yachty; singer and violinist Sudan Archives.

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

Margaret Hoover leads interviews and debates.

Following the journey of orphaned elephants at Reteti, the first community-owned elephant sanctuary in Africa.

Research on the subconscious with neuroscientist Heather Berlin focuses on what is driving the decisions people make.

Exploring civic life with Alexander Heffner.

Financial thought leader and author Charles Ellis talks about "Great American Investments.".

E.A. Hanks.

Stay informed with the latest breaking news and headlines.

The nature of freedom, how it can be cultivated and the need for self-discipline in tempering freedoms.

Following the journey of orphaned elephants at Reteti, the first community-owned elephant sanctuary in Africa.

The creation of a statue honoring Christa McAuliffe, America's first teacher in space; interviews with former students, educators and state leaders.

In the Cambridgeshire village of Grantchester in the 1950s, gruff, down-to-earth police inspector Geordie Keating's methodical approach to police work complements the intuitive techniques of local vicar Sidney Chambers, and later the Rev. Will Davenport. Geordie forms an unlikely partnership with both men of the cloth, and as partners they bring different insights into the crimes they start to unr

In the Cambridgeshire village of Grantchester in the 1950s, gruff, down-to-earth police inspector Geordie Keating's methodical approach to police work complements the intuitive techniques of local vicar Sidney Chambers, and later the Rev. Will Davenport. Geordie forms an unlikely partnership with both men of the cloth, and as partners they bring different insights into the crimes they start to unr

In the Cambridgeshire village of Grantchester in the 1950s, gruff, down-to-earth police inspector Geordie Keating's methodical approach to police work complements the intuitive techniques of local vicar Sidney Chambers, and later the Rev. Will Davenport. Geordie forms an unlikely partnership with both men of the cloth, and as partners they bring different insights into the crimes they start to unr

In the Cambridgeshire village of Grantchester in the 1950s, gruff, down-to-earth police inspector Geordie Keating's methodical approach to police work complements the intuitive techniques of local vicar Sidney Chambers, and later the Rev. Will Davenport. Geordie forms an unlikely partnership with both men of the cloth, and as partners they bring different insights into the crimes they start to unr

In the Cambridgeshire village of Grantchester in the 1950s, gruff, down-to-earth police inspector Geordie Keating's methodical approach to police work complements the intuitive techniques of local vicar Sidney Chambers, and later the Rev. Will Davenport. Geordie forms an unlikely partnership with both men of the cloth, and as partners they bring different insights into the crimes they start to unr

Relocating and rebuilding the original built-in China cabinet in the dining room; installing bathroom sconces; prepping the front door for a new mortise lock.

Painting an arch accent wall in a nursery; debunking plant myths; installing a pea gravel patio using a binding agent to keep stones in place.

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

E.A. Hanks.

Phryne's determination to track down Murdoch Foyle is derailed when a young girl is found drowned in Aunt Prudence's fountain.

Sister Catherine is distressed when a newborn baby is taken from the maternity home.

Jo recommits to his family; Soames and Irene's Parisian honeymoon is cut short.

Five years after reinventing himself as the Count of Monte Cristo, Edmond tracks down the men who betrayed him; Mercedes feels uneasy in Edmond's presence.

Cora gets into trouble with Hooper; without the help of the police, Cora relies on Jimmi and Katy to unravel the clues.

Combining history and science with living indigenous traditions to bring to life the world created by America's native peoples.

Progressive R&B from rapper Lil Yachty; singer and violinist Sudan Archives.

Jean and Dom help Caron solve a murder in a remote country mansion; love rolls into town for Gloria.

A distillery owner is poisoned during a group tasting of his premium rum, but the case is shrouded in mystery when it's revealed all the guests drank from the same bottle.

Mike and his team are drawn into a world of Victorian dress-up and escapism when they investigate a murder at a steampunk event.

Best known for his electric guitar, Buckethead's music spans metal, funk, blues, jazz, bluegrass and avant-garde.

Stretches link breath with movement; forward bends free the muscles of the back, increasing circulation to internal organs; a relaxing guided meditation.

Standing exercises to improve posture and stretch the chest muscles; floor exercises to strengthen the stabilizer hip muscles; isometric sit-ups work the entire torso.

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

Brain, D.W. and Bud explore the inner workings of the brain; Brain may finally see a meteor shower.

Elmo, Chris and their friends on Sesame Street dress up as dinosaurs; with help from Elmo's book, they learn facts about dinosaurs.

Omni and Onom must track down a mysterious creature with a peculiar habit; Orli has to help new recruit Osric complete his training.

A miniaturized Chris gets stuck to a bee.

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

Liana and Louisa compete to see who is more outdoorsy; the Loops are bored on their camping trip until Lyla suggests a scavenger hunt.

Carl's favorite sour pickle scratch-n-sniff sticker loses its smell; Carl notices that his baby blanket, Knit-Knit, has a hole in it.

Daniel and his family explore nature, watching a red bird build a nest; Daniel, O the Owl and Uncle X take a nature walk through the forest.

Phoebe and Jay set a new record for the longest paper airplane fight; Phoebe and Jay learn how to build a stable pillow fort.

After trading old toys with his pals, Elmo learns there are lots of ways to play and pretend; Miley Cyrus helps the gang use their imaginations.

The Wombats are excited for "Show and Tell" but Super might be too busy to attend; Louisa decides the Treeborhood needs a way to announce fun events.

Donkey and Panda's Awesome, Extra Fun, Very Good Day does not go well; Donkey and Panda find a yodel bird egg and vow to protect it.

Rosie, Jun and Grandpa Liu go to the Asian Market to buy more sweet potato buns; Rosie and Javi help Tia overcome her stage fright when she goes on a television cooking show.

Olive wants to organize something special for her mom's birthday; Elinor, Ari and Olive make spiderweb decorations for Ms. Mole's classroom.

Alma spends a special day with Papi; Alma gives up her ticket, so Eddie can see his favorite singer in concert.

Jean and Dom help Caron solve a murder in a remote country mansion; love rolls into town for Gloria.

A distillery owner is poisoned during a group tasting of his premium rum, but the case is shrouded in mystery when it's revealed all the guests drank from the same bottle.

An Asscher-cut diamond ring; a Maynard Dixon painting; a San Francisco Seals-signed baseball.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

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

Tiffany Studios lily sconces circa 1905; a 1904 Philadelphia quilt; a Chinese and Japanese decorative art collection.

A 1929 New York Yankees partial team-signed ball; a New Mexico mining league trophy and photos; a Plains Indian child's beaded shirt.

A glimpse into the lives of the immigrant grooms who care for Kentucky Derby racehorses year-round at Churchill Downs.

A portrait of Mermaid and Milan, emerging runway divas in the drag ballroom community.

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.

Sister Catherine is distressed when a newborn baby is taken from the maternity home.

Jo recommits to his family; Soames and Irene's Parisian honeymoon is cut short.

Five years after reinventing himself as the Count of Monte Cristo, Edmond tracks down the men who betrayed him; Mercedes feels uneasy in Edmond's presence.

Cora gets into trouble with Hooper; without the help of the police, Cora relies on Jimmi and Katy to unravel the clues.

A gentle yoga routine allows for more flexibility in the shoulders, upper back and hamstrings.

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

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

Arthur and Buster discover they make better friends than roommates; Arthur wins free concert tickets.

After trading old toys with his pals, Elmo learns there are lots of ways to play and pretend; Miley Cyrus helps the gang use their imaginations.

During the town of Trifle's 100-year anniversary party, Ozzie and Onom must stop Tracey Trifler from covering it in trifle; Osric and Omni try to stop a Roman gladiator from causing ancient oddness.

Chris realizes that his precious creature souvenir collection is missing, the gang must travel back to the arctic to find it; but the Arctic is now covered in a thick layer of ice and snow, so they'll need the help of the Musk Ox.

The Hunters search for a way to monitor the weather after they lose power during a thunderstorm.

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.

Carl turns to his friends to help him organize his plushie collection; Carl loses his bouncy ball collection.

A little nervous, Daniel visits his new dentist; Nana Platypus goes with Daniel when he gets his first haircut.

Jay and Lupe use wayfinding signs to track down Phoebe; Pete and Craig face an epic hoops battle on the courts.

Tamir is disappointed when Grandma Nell shows off the drawing he made for Chris before it is finished.

Kaya's cooking class; the Wombats go on a treasure hunt.

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

Rosie performs in Papa's mariachi band; Rosie wants to sing a corrido for the family talent show.

Olive creates a lending library so she can share her books with everyone in Animal Town; Elinor, Olive and Ari make a Nature Walk for Nature Day at school.

Alma visits with Granny Isa by video chat; Alma must figure out how to help Chacho have fun.

When the author of a book that sparked a nationwide treasure hunt is found dead, Barnaby must unravel clues to find the killer among a group of dedicated seekers.

When the author of a book that sparked a nationwide treasure hunt is found dead, Barnaby must unravel clues to find the killer among a group of dedicated seekers.

Author Harold Holzer, the Jonathan F. Fanton Director of the Roosevelt House Public Library Institute at Hunter College, discusses the life and times of President Abraham Lincoln.

A 1908 Chicago Cubs presentation piece; a Tiffany & Co. gold necklace; a 1904 Henry Woods oil.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

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

Mapping the roots of actress Kate Burton and media mogul Barry Diller.

Exploring how the American Revolution affected Britain, with sabotage, espionage and political unrest reshaping the empire.

Examining the tactics, legal cases and impact of the violence, protests and arrests stemming from the federal immigration sweeps across the country, from Los Angeles to Chicago to Minneapolis.

A glimpse into the lives of the immigrant grooms who care for Kentucky Derby racehorses year-round at Churchill Downs.

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.

Tiffany Studios lily sconces circa 1905; a 1904 Philadelphia quilt; a Chinese and Japanese decorative art collection.

A 1929 New York Yankees partial team-signed ball; a New Mexico mining league trophy and photos; a Plains Indian child's beaded shirt.

Waitstill and Martha Sharp, a Unitarian minister and his wife from Wellesley, Mass., leave their children behind in the care of their parish and commit to multiple life-threatening missions in Europe. Over two years, they help to save hundreds of imperilled political dissidents and Jewish refugees fleeing the Nazi occupation across Europe.

The dramatic escape of Irving Saraf, from Poland to Palestine in 1940, when he was only seven years old.

Stretching the hands, wrists, shoulders, upper back and legs.

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

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

Fern and the others try to make an upset Ladonna feel better after she finds out her family will have to move.

Tamir is disappointed when Grandma Nell shows off the drawing he made for Chris before it is finished.

Omni and Osric are desperate to get off the night shift and go to a party, but they must first stop a mysterious villain; Orwell and Okra must prevent a flying machine from stinking up Odd Squad's favorite places.

Martin and Chris have a contest to decide what is stronger -- elephant or rhino powers.

The Hunter kids head to the state park to learn why leaves change color.

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

Carl blames Nico when his special crayon breaks and Nico blames Carl when his drawing rips; Lotta tries to learn to play the alto saxophone.

Daniel's new friend Prince Wednesday is busy playing with Jodi, leaving Daniel to wonder if they're still friends; Daniel worries Miss Elaina likes Jodi more than him.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

At the Sesame Street Jazz Festival, Elmo and Zoe learn to improvise, listen to each other play and take turns.

Fergus plans an epic anniversary date for Felicia; the Fishmans want to put on an underwater circus act for the Treeborhood.

Donkey and Panda search for Mooing Moon Moths; Bob Dog can't remember where he buried his boogie bone.

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.

The kids try to locate a missing Srta. Tapir at a music festival by listening for her drums; the kids try to track down a bird thief.

Alma and Eddie try to write a song in hopes of winning the Song of Summer Contest.

Mapping the roots of actress Kate Burton and media mogul Barry Diller.

Exploring how the American Revolution affected Britain, with sabotage, espionage and political unrest reshaping the empire.

A 1981 "Raiders of the Lost Ark" prototype; a 1788 Elizabeth Shoemaker sampler; 1976 and 1977 Roy De Forest mixed media artwork.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

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

Following the journey of orphaned elephants at Reteti, the first community-owned elephant sanctuary in Africa.

Four members of the Artemis II crew embark on a perilous 10-day journey to orbit the moon.

The search for the lost remains of formerly enslaved Black Union soldiers who were murdered after the Civil War.

Italian archaeologists discover a woman with pearl earrings and gold in one of Pompeii's richest homes.

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.

Mapping the roots of actress Kate Burton and media mogul Barry Diller.

Exploring how the American Revolution affected Britain, with sabotage, espionage and political unrest reshaping the empire.

Examining the tactics, legal cases and impact of the violence, protests and arrests stemming from the federal immigration sweeps across the country, from Los Angeles to Chicago to Minneapolis.

Examining the tactics, legal cases and impact of the violence, protests and arrests stemming from the federal immigration sweeps across the country, from Los Angeles to Chicago to Minneapolis.

Flowing warrior series using a chair for support focuses on strengthening the legs and opening the hips, shoulders and upper back.

Large sweeping movements and specific isolation exercises stabilize muscles and joints and rebalance the body, liberating the shoulders and improving overall posture.

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

When an episode of Bionic Bunny is interrupted, Carl is the only one who can recall what comes next; Larry, the class bunny, wanders off.

At the Sesame Street Jazz Festival, Elmo and Zoe learn to improvise, listen to each other play and take turns.

Omni and Onom must track down a mysterious creature with a peculiar habit; Orli has to help new recruit Osric complete his training.

Martin and Chris try to stop robotic parrotfish from collecting coral.

The Hunters investigate a weather mystery surrounding massive rocks that move on their own in the desert.

Luke plays doctor with Stu as a nurse and Lyla pretends to be different patients; Lyla, Everett, Luke and Stu build an elaborate track to get a tennis ball down to the lobby.

Luke plays doctor with Stu as a nurse and Lyla pretends to be different patients; Lyla, Everett, Luke and Stu build an elaborate track to get a tennis ball down to the lobby.

Phoebe plans a birthday surprise for Grandma; Phoebe and Jay must tend to the bell pepper in the garden.

Phoebe plans a birthday surprise for Grandma; Phoebe and Jay must tend to the bell pepper in the garden.

After trading old toys with his pals, Elmo learns there are lots of ways to play and pretend; Miley Cyrus helps the gang use their imaginations.

Martin and Chris observe wild cats and dogs interacting with each other on the African savanna.

Rosie tries to make tomorrow come faster so she can go to the Dino Park; Rosie looks for her missing walkie-talkies.

Elinor gives Hazel some strawberry seeds to grow at home; the Exploring Club goes on a musical march in the forest.

Alma invites her friends to a Sonny Soto concert; Alma discovers that bearded dragons are not as scary as she thought.

Following the journey of orphaned elephants at Reteti, the first community-owned elephant sanctuary in Africa.

Technology required by climate action.

A 1929 New York Yankees partial team-signed ball; a New Mexico mining league trophy and photos; a Plains Indian child's beaded shirt.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

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

The history and spirituality of the Indigenous people of the American Southwest who have served as stewards and protectors of their home lands since the beginning of time.

A string of grisly murders ensue after the entire village of Goodman's Land is bought by a Texas oilman.

A string of grisly murders ensue after the entire village of Goodman's Land is bought by a Texan oilman.

Gently and Bacchus investigate the murder of a lonely old man in his dilapidated mansion.