KPTS-DT

Building a catapult and an Archimedes' screw; a field trip to meet a mechanical engineer who uses simple machines to build extrication tools.

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.

America's first spy ring; in the early years of the Revolutionary War, a Long Island farmer is recruited to spy on the British army.

Pizza Hut, White Castle, Mentholatum... these are just some of the world-famous brands born in the inventive city of Wichita, Kansas. This is the story of these home-grown, revolutionary brands and the innovators behind them.

Twenty-four hours a day, the latest national and international stories as they break.

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

Margaret Hoover leads interviews and debates.

Five choreographers create world premieres for The Joffrey Ballet's Winning Works.

Following a spinal cord injury, Tiler Peck fights her way back as an elite dancer and choreographer with the New York City Ballet.

Patricia starts losing her corporate power; Cristina refuses to let go; Rita and Pedro have unfinished business; Esteban wins Raúl's trust; Alberto receives honors.

Visiting a factory that makes engineered plank flooring; installing some board and batten wall paneling in the new mudroom.

Betty Aberlin and Chuck Aber star in a performance of "Spoon Mountain Opera.".

Buster wants to go to outer space; George is determined to walk from Crown City to Elwood City to raise money for charity.

The gang travels deep into Uganda's tropical forests to uncover the true nature of the chimpanzee; Chris encounters a baby chimp who shows him what it means to be one of these great apes.

The kids learn what colors make up a rainbow just in time for a Mother's Day surprise.

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.

Lotta needs time to recharge after school; Forrest and Lotta team up for the Student Super Chef competition at their school.

Mom teaches Daniel how to use words to express his feelings; Katerina gets upset playing train at school.

Phoebe learns what privacy signs are and how to use them to communicate to neighbors; Jay gets nervous about getting a haircut.

Cookie Monster tries to bake a new cookie for Elmo; Abby and Grover solve a puzzle of their own.

Exploring the McWane Science Center in Birmingham, Ala.; meeting a paleontologist; riding the high wire cycle; combustion.

Donkey wonders if she and her cousin can have fun together since they don't like doing the same things anymore; Panda thinks about how he is different from other pandas.

Rosie and Papa switch roles for the day, but it's trickier than they thought; Rosie tries to make a family tree for Valentine's Day.

Crisp-skinned broiled salmon with cucumber-sesame salad; Italian seafood stew with scallops and clams; sautéed cod fillets with spicy cilantro sauce; the best ways to sear shrimp and steam white fish fillets.

Financial columnist Andrew Ross Sorkin discusses what led to "Black Tuesday.".

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

Visiting a factory that makes engineered plank flooring; installing some board and batten wall paneling in the new mudroom.

Basic woodworking techniques to revive furniture.

Two clocks are made with a wood lathe; the basics behind faceplate turning; how different chisels are used to master turning bowls; three different uses for turned objects.

A real murder investigation results from a false alarm; Amanda gets in trouble; things turn serious for Margaret.

Chasing down the South's pie cherry to a dye house tree on a Kentucky farm.

The sounds of nature offer clues to our ancient origins; leaders giving animals a fighting chance.

"Weather The Storm"; "Karaoke"; "Lose it All"; "Attic No. 17"; "Let Go.".

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

A visit to Switzerland includes local folk music and alphorns; songs include "When Morning Gilds the Skies" and "We All Believe in One God.".

An updated version of "Up a Lazy River"; other songs include "Smoke Gets in Your Eyes" and "Runnin' Wild.".

A brutal slaughter leaves Phryne outraged.

The news of Martin's invitation to be dean of Imperial College spreads through Portwenn, before Martin and Louisa can decide whether he will take the job; Mrs. Tishell and Penhale are crushed; Morwenna questions what she wants to do with her life.

Father Brown's old friend's daughter suffers otherworldly visions.

America's first spy ring; in the early years of the Revolutionary War, a Long Island farmer is recruited to spy on the British army.

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