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Actresses Debra Messing and Melanie Lynskey explore the stories of their ancestors whose bold decisions reshaped their families.

Thoreau returns to society, taking on roles as surveyor, scientist and abolitionist, and makes two more Maine trips; Thoreau writes with renewed energy as he faces a lifelong illness.

Amid new attacks by the U.S. and Israel, investigating Iran's nuclear program; an updated and expanded investigation, drawing on reporting in Iran and in-depth forensic analysis with The Washington Post, Evident Media, and Bellingcat.

An inside look at protests that have shaken Iran since the death of a young woman in police custody.

Hand-painted antique tea set; urban farmer Jill Frey grows edible flowers and several types of lettuce in a retrofitted shipping container; self-care strategies; tea time treats.

The Grand Bazaar in Istanbul; strolling along the Golden Horn; zipping by tram from the Old Town to Taksim Square; hopping a ferry to Asia.

Salute the Sun slowly or quickly; easy and regular version of Salute the Sun; breathing.

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

The Wild Kratts are busy coloring eggs for Easter; the bros think an adventure can be to go find the real Easter Bunny; Chris thinks it's the snowshoe hare, while Martin thinks it's the jackrabbit.

The Hunters try to help an injured bird so it can join its friends migrating south for the winter.

Lyla and Everett make a lemonade stand to raise money for the animal shelter; Lyla and Everett learn Double Dutch to become part of a neighborhood crew.

Carl loves the new sweater his Pop Pop knit him, but it feels itchy when he wears it; Carl is nervous about his new school bus stop.

Daniel meets a new friend, Max, who is autistic; Daniel and his friends help make Max more comfortable at Chime Time.

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

Tango loses focus when Elmo tries to teach him a new trick.

Zadie helps Malik design a faster route to bring ice cream to a sick Sammy; Zadie tries to host a fun campout.

Duck Duck can't figure out how to fly Harriett's new Swoop-a-rino; Donkey takes Duck Duck on an adventure.

Rosie tries to send Abuela a birthday party in the mail; Rosie tries to send Gatita in the mail.

Elinor learns how webbed feet help ducks and other animals get around in the water; Elinor and Olive plan a camping breakfast for Elinor's dad's birthday.

Alma teaches Emi how to be like her, but now Emi won't stop imitating Alma; Alma tries to finish running the world's longest race.

Trini is determined to learn an ice skating move; Tooey and his brothers use tracking skills to find their dad in the forest.

Inventor James Naismith inspires Xavier, Yadina and Brad to invent their own game; Temple Grandin helps Yadina make friends with a new boy from her class, Ben.

Actresses Debra Messing and Melanie Lynskey explore the stories of their ancestors whose bold decisions reshaped their families.

The celebrity version of "Antiques Road Trip" sees two antique experts paired up with celebrity guests as they scour for antiques on a road trip around the country. Each episode features different expert and celebrity pairs who search for valuable items at bargain-basement prices. Once they have found their items, they then head to auction where the collectibles are put up for bid, with any profit

The celebrity version of "Antiques Road Trip" sees two antique experts paired up with celebrity guests as they scour for antiques on a road trip around the country. Each episode features different expert and celebrity pairs who search for valuable items at bargain-basement prices. Once they have found their items, they then head to auction where the collectibles are put up for bid, with any profit

Updated appraisals from 1998, including a treasure with an estimated value that should go somewhere between $70,000 and $90,000.

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

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.

From snowy owls in the high Arctic to honey buzzards raiding hornet nests in Taiwan, a look at the extreme ways in which raptors conquer the toughest habitats on Earth.

Understanding how the brain shapes reality, including the tricks and shortcuts the brain takes to keep a person alive; with neuroscientist Heather Berlin.

Four people on four continents face environmental change driven by climate change; as resources grow scarce, they witness shifts in wildlife behavior.

Sister Catherine visits her first solo patient, who is experiencing persistent nausea; Nurse Crane, Trixie, Rosalind and Joyce participate in a women's liberation meeting.

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

From snowy owls in the high Arctic to honey buzzards raiding hornet nests in Taiwan, a look at the extreme ways in which raptors conquer the toughest habitats on Earth.

Understanding how the brain shapes reality, including the tricks and shortcuts the brain takes to keep a person alive; with neuroscientist Heather Berlin.

Four people on four continents face environmental change driven by climate change; as resources grow scarce, they witness shifts in wildlife behavior.

Lucy Worsley reinvestigates and reveals new evidence about some of British history's biggest unsolved mysteries.

Working with color and flowers based on the color wheel; flower arrangements with complimentary, monochromatic, triadic and analogous concepts; the colorful and vibrant coleus.

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.

Lord of the Dance; Garuda Pose; balancing poses teach concentration.

Miranda Esmonde-White offers an exercise program for people of all ages and fitness levels.

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.

It's an exciting day for Lily and her family when they move into their new house.

Everett faces his fear of water by taking a swimming lesson; Lyla doesn't want Miss Emmaline to move.

Carl takes his friends on an "Amazing Smell Tour of Fuzzytown," but Lotta doesn't agree with Carl's list of the best smells; Carl and his friends go on a camping trip.

Daniel has many activities he wants to do with Juan Carlos, but Mom reminds him to ask his guest what he wants to do; Daniel can't wait to show Juan Carlos the Clock Factory.

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

Abby, Big Bird and Cookie Monster play against Gabrielle, Zoe and Elmo in I Wonder If We Can Use This, a game where they figure out if items can be used for something.

Malik enters the Undergroundborhood to retrieve JunJun's favorite ball; the Wombats cheer up Buckley with balloons.

Duck Duck learns how to fix her broken bookcase; Donkey welcomes Greeble the Treeble to Someplace Else.

Rosie learns about a surprise for a sister, and tries to find out who that sister is; Rosie looks for someone to be her twin.

Honeybees disturb Elinor, Art, Olive and Koa during their picnic in the forest; the kids work together to move their dirt bike path so turtles can get to the water.

Alma wants to hang out with Eddie's friends, but doesn't like it when she starts to feel like a little kid; Junior becomes everyone's pretend little brother.

The kids create a new game called Mollyball; Molly convinces a travel guide writer to visit Qyah, so the village can be added to the guidebook.

Louis Pasteur helps Xavier with his volcano experiment project; Rachel Carson helps Brad figure out a way to help butterflies migrate.

From snowy owls in the high Arctic to honey buzzards raiding hornet nests in Taiwan, a look at the extreme ways in which raptors conquer the toughest habitats on Earth.

How science, nature and tradition can help the world prepare for the future.

Traveling to the extremes on all seven continents to meet people and animals living and working on the front line of climate change.

Appraisals from the grounds of Winterthur Museum, Garden & Library in Delaware include a valuation of a $125,000 family treasure.

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

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 history of FIBArk -- First in Boating on the Arkansas -- the oldest and longest whitewater festival in the U.S.; the evolution of whitewater sports in a small town in central Colorado.

Stories about the people, places and events in Colorado's history.

Exploring the rich history of Black spirituality through sermon and song.