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A young physician contemplates suicide but then reconsiders, then travels the world to search for the secrets to inner peace and happiness.

The Nez Perce Tribe fights to restore and recover wild Chinook salmon to their historic numbers.

A Tiffany & Co. gold and platinum purse circa 1915; an Ernie Barnes oil painting circa 1963; a Ming Dynasty bronze vase.

Feeling the breath guide the body in an all-level practice.

Simple poses designed to work out tension spots and increase energy.

When the Tortuga crashes somewhere in the middle of the Amazon rain forest, the ship's electrical system is destroyed.

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

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.

When Nico teases Carl about bikes being for babies, he sets out to prove Nico wrong; Carl and his Fuzzytown friends can't wait to build a tree fort, but Carl has a hard time working as a team.

Daniel is frustrated when he can't catch a ball; O the Owl wants to build the tallest tower in the world with blocks.

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

TJ is excited to meet his favorite comic book artist Bobby Manalo, and to make him feel welcomed on Sesame Street, TJ makes him a comic book gift with the help of Tamir; while working on it, Tamir also learns to say a few words in Tagalog.

Zadie must face her fear and go to the barber for a haircut; Malik discovers smart devices have limitations.

Bob Dog brings a ball to the Stuffie Playdate; Frannie Fox invites Donkey to her swamp, but she feels nervous about playing in it.

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.

Elinor, Olive and Ari disagree about the best way to build a couch cushion castle; when Ari misplaces the group's favorite ball, they discover that he needs a system for keeping track of his things.

Exploring how the International Space Station was assembled in orbit, what it takes to live and work in microgravity and why the spacecraft continues to shape the future of human spaceflight.

Strip of film may be connected to "talking" movies; etchings of gold nuggets; fragment may have been from the trans-Atlantic cable.

The Black Crowes celebrate the 30th anniversary of "amorica" with "Wiser Time," "Gone" and "A Conspiracy.".

The completion of a coastal Florida seascape scene.

Aubry Walch and Kale Walch recreate their grandma's recipe for chamorro kelaguen with chicken and beef alternatives; chef K Taylor and Mariam Omari of Chef K's Revolutionary Catering make American and Kenyan styles of collard greens without meat.

Alma volunteers André to make necklaces for their friends; Alma, Eddie and Uncle Nestor perform music on the subway.

Agent Opal and Agent Omar discover the whereabouts of a legendary artifact.

Molly, Grandpa, Dad and Tooey go on a snowmobile adventure to search for hot springs in the backwoods; Tooey's hero, dog musher Eugene Pike, re-creates a historic mail run across interior Alaska.

George Washington shows Yadina how to be the best Nature Troop leader; Susan B. Anthony helps Brad show his friends that everyone should have a vote.

Arthur and Muffy have their birthday parties on the same day; Francine becomes a prima donna when she stars in the school play.

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.

How animal parents deal with freshwater's constant changes as they raise the next generation; a frog dad scales giant trees with his tadpoles on his back; an elephant mom must choose between safety and the quest for food and water.

Exploring the origins of mammals, long before the age of dinosaurs, and how early ancestors survived global catastrophes and defied extinction to evolve into the vast array of mammals we know today.

At the height of the pandemic, a young man with brain cancer begins live-streaming his journey on social media. Ethan Sisser inspires thousands around the globe with his unique approach toward the dying process.

All-female 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.