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Elinor learns that the forest does its own composting; Elinor and her friends want to build snow-friends, but the snow isn't sticky enough.

Mycosis fungoides cutaneous T-cell lymphoma (MF-CTCL), a rare non-Hodgkin's skin lymphoma. A woman undergoing breast cancer treatment develops chemotherapy-induced nausea and vomiting.

The RAM 1500 TRX SRT pickup; the Audi A6 sedan.

Replacing vintage ceramic toothbrush and soap holders; repairing a water-damaged ceiling crack matching the original swirl texture.

Hiking among the "hoodoos" at Bryce Canyon National Park in Southwest Utah.

A beautiful brown mountain scene.

A garden underneath New York's Brooklyn Bridge.

Three Native Californians share stories of identity and resilience.

Junior is jealous of the attention baby Gio gets so he starts acting like a baby; Alma's playing keeps little Lilly awake.

A villain uses one of Oscar's gadgets to cause destruction.

Grandpa Nat joins the kids on a night watch to determine what the mysterious light is in the sky; Molly and Tooey help Mr. Patak record a carving demonstration.

Xavier and Yadina overcome a sibling spat with the help of Confucius; Sacagawea helps Xavier and Brad realize that just because Yadina is younger, she can do more than they think.

A scary clown virus ruins the family computer; Grandma Thora lets Arthur and D.W. turn her attic into a clubhouse.

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 family stories of political organizer Donna Brazile, actor Ty Burrell and artist Kara Walker.

Following New York's transformation in the decades since the terrorist attacks on Sept. 11, 2001, as the city rebuilds through financial collapse, Superstorm Sandy and a pandemic.

Baroness Dambisa Moyo, chair of the Economic Club of New York.

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.

Baby may have been exhibited in an incubator at the 1933 Chicago World's Fair; early movie mogul Siegmund Lubin; Navajo rug.

Sinfonietta, FP 141 by Francis Poulenc, Sonata for Flute, Viola, and Harp by Claude Debussy, "Jong" for juggler and chamber orchestra by Lotta Wennakoski, and "A mare encheu" and "O Polichinello" by Heitor Villa-Lobos.

A special reunion of Bill and Gloria Gaither and their Homecoming Friends includes performances by Lynda Randle, Jason Crabb, The Nelons, the Gaither Vocal Band and more.

The story of the Neches River, one of the last hardwood bottomland rivers in the Southern U.S.

Finds include an 1895 UNC football, an 1856 Chinese export Canton fire oil painting and a Jacob Hurd silver cann circa 1745.

An intermediate standing workout to stretch the vertebrae of the spine while strengthening the core and back.

Cleansing the sinuses with warm water and salt.

Martin and Chris try to replicate the actions of a water-walking basilisk lizard.

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

Lyla overcomes her fear of rock-climbing; a riddle game about everyday objects made by Black inventors.

Carl's medium-sized fuchsia yo-yo goes missing from his collection; a rainy day changes Carl's pool day plans.

Katerina and Daniel have so much fun at the Treehouse, they don't want to leave when it is time to go home; Daniel needs to work on his school project, but he doesn't want to stop playing.

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

Cookie Monster uses his new Cookie Cart to bake for his friends; Grover tries magic to entertain his friends.

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

Donkey makes Grampy a special card, but she gets into a few sticky situations when she tries to deliver it to him; the pals help Harriett with her new invention for penguins.

It's Recycling Day, so Rosie becomes a recycling kid, but she accidentally recycles Crystal's art project; when Rosie and Javi find a monarch butterfly in the backyard, they try to figure out what it needs so it can flutter again.

The kids learn the meaning of stories when they visit Olive's family in the rainforest.

Creating a multisensory beach exhibit for a music festival while exploring sustainable island living.

Baby may have been exhibited in an incubator at the 1933 Chicago World's Fair; early movie mogul Siegmund Lubin; Navajo rug.

Ron embarks on an adventure to reach a sailboat using a military landing craft as he races against a violent prairie storm in Lake Diefenbaker, Saskatchewan.

Yusef Jackson, the youngest son of the Rev. Jesse Jackson, discusses his father's journey from working with Dr. Martin Luther King Jr. through his presidential campaigns and his global advocacy and rescue missions for human rights.

A bright, late summer afternoon in the foothills of the Appalachian Mountains.

Coahuila style barbacoa on pita bread; yogurt and cucumber salad with herbs; red salsa from the Jacalito; agave empanadas with pecans and pine nuts.

Alma accidentally embarrasses Rafia during a sleepover at the community center; Alma and her friends jump in the leaves.

Olive and Otto try to stop Obfusco's plant from taking over headquarters; Otto gets trapped inside a video game.

Trini wants to send her mom a care package, but she is unable to find all of her favorite things; Trini and her dad find themselves without lights and heat during a blizzard.

William Shakespeare shows Brad that it is alright to feel how he is feeling; Katherine Johnson encourages Yadina to be proud of her love for turtles.

Buster believes that a comet is heading straight for Earth; Arthur learns about a different culture when a Spanish family moves in.

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 flood brings new challenges for the big cats; for the first time, the lion cubs experience water and the danger it brings.

How cultural traditions have led to remarkable innovations, from navigating the featureless Arctic to building energy-efficient homes in the desert.

Exploring the importance of the polar seas as polar oceans warm and sea ice disappears.

News analysis of issues and policy affecting the U.S.

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.

How cultural traditions have led to remarkable innovations, from navigating the featureless Arctic to building energy-efficient homes in the desert.

Exploring the importance of the polar seas as polar oceans warm and sea ice disappears.

Everyday photographer Carol Highsmith wakes up with one mission -- to document every nook and cranny of the United States, from its mountains and quirky roadside attractions to unforgettable characters both known and unknown.

A powerful celebration of culture, community, and the simple truth: we're still here.

Camphill Village near Sauk Centre operates on a cooperative spirit, providing support for those with disabilities.

The family stories of political organizer Donna Brazile, actor Ty Burrell and artist Kara Walker.

An advanced workout to strengthen the full musculature of the hips and glutes.

Poses to soothe the nerves and stretch the spine.

On their annual laundry day, the Kratt brothers disagree on whether blue oceans or green forests are better; Aviva demonstrates how oceans and forests work together.

Dot and Al announce the Hunters are spending Christmas in Nigeria, and Corky wonders if she can have a fun Christmas without snow.

Lyla, Luke and Everett look for buried car keys at the beach; Lyla and Everett write a Super Stu comic.

Carl tries to add other colored karate belts to his collection without having to practice and earn them himself; Carl's upset when his cucumber seeds don't sprout.

The children put on a show at school, each doing something that makes them special; Dad reminds Daniel of the things that make him special.

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

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.

Panda helps Donkey prepare for her first eye exam; Donkey cheers herself on in the Music Marathon.

Rosie wants to be Mayor for the day; Rosie decides she wants to be a statue.

The Exploring Club discovers that there is an entire community of critters living under logs; Elinor, Ari and Olive learn how rain is helpful to plants and animals.

Beach communities get creative restoring oyster habitat; a favorite hangout for snow geese and tundra swans; nature inspires a Seattle musician; drones become a versatile tool on the farm.

Sinfonietta, FP 141 by Francis Poulenc, Sonata for Flute, Viola, and Harp by Claude Debussy, "Jong" for juggler and chamber orchestra by Lotta Wennakoski, and "A mare encheu" and "O Polichinello" by Heitor Villa-Lobos.

Often overlooked, North America's tallgrass prairies are among the most dynamic and biodiverse ecosystems on Earth.

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

A longer-lasting variety of a protein-rich staple -- jerky.

Preparing the forest garden for the cold winter ahead; mulching rhubarb and strawberry plants; harvesting edibles; Pike Food Forest in Florida.

Alma wants to borrow a new book from the library, but so do all her friends; Alma borrows a ukulele from the library but doesn't want to return it.

Oz arrives from The Movie Star dimension to help Orli find out who is turning the townspeople purple; three young villains cause trouble in town.

Trini decides to plan a Juneteenth celebration with Molly and Tooey; Molly and Tooey launch an investigation when items mysteriously disappear from the Trading Post.

Albert Einstein encourages Xavier to ask questions when he is curious about something; Carol Burnett helps Yadina overcome her fear of looking silly by explaining that sometimes it is good to laugh at yourself.

Arthur and his friends enter a poetry contest; Arthur takes on a group that wants to pull his favorite books from the library.

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.

On their farm near Alexandria, Kathy and Terry Sletto stay connected to a long family heritage of wool-production through their collection of sheep, rabbits, and guard llamas.

Al Precht shares his success with growing and grafting apricots, his plentiful apples, plums and other fruits and his large, thriving vegetable garden.

The West Baltimore community residents' interviews prior to and after the unrest of April 27, 2015.

Grammy Award-winning bluegrass musician Billy Strings performs highlights from "So Much for Goodbyes" and "Highway Prayers.".

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.