KGTF-DT

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

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

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

Peter Baker, The New York Times; Susan Glasser, The New Yorker; Adam Harris, Radio Atlantic; Vivian Salama, The Atlantic.

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

As Judith and Suzie work with the police to find the killer, tensions rise among Becks' friends in the house.

The murderer in Corfu claims another victim; Eliot's condition worsens and Susan unexpectedly finds herself a suspect in a murder case.

Cushla's relationship with Michael deepens, despite growing tensions at home and school; Gina's drinking worsens, and family pressure mounts; Cushla learns unsettling truths about Michael's past, but passion and tenderness draw them back together.

Grammy Award-winning R&B innovator Miguel performs songs from his album "CAOS," alongside fan favorites.

Sign off.

Arthur helps D.W. prepare for a bikeathon; Francine whips Arthur's baseball team into shape.

The agents are called upon when a lost Baby Laser Chicken is found in the Austrian countryside; clocks stop working when the Odd Squad Timekeeper is struck with oddness.

The Kratt brothers take a day off from adventuring to go camping, where they meet a mischievous little moose calf.

Lily, Corky and Benny attempt to film their own weather broadcast, but need Great Grandpa Wallace's tools to create their weathercast.

Lyla and Everett struggle to play Hot Cross Buns at the same tempo, and they learn how to read music; Lyla is upset when Luke's snack becomes popular.

Dylan realizes he doesn't love square-dancing; Carl teaches Nico how to ride a bike.

After Miss Elaina loses her mitten, her mom teaches her how to put things away so she can find them later; Prince Wednesday loses his comic book.

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

Grover tries to cheer up Elmo, who is feeling sad after his dad leaves for a work trip.

Ellie's so excited to be going home to Jamaica that the Wombats and Mr. E start to worry whether she'll come back; Buckley comes over for a playdate with Zadie.

The pals find a box of Golden Crunchdoodles cereal; Donkey, Panda and Bob Dog want to play different things.

Uncle Steve takes the kids to the park for the Wonder Walrus show; Rosie and Javi make a space museum.

Elinor and friends build a log bridge over a stream; the kids set out to learn everything they can about blinking when Ari is crowned the blinking champion at school.

A series of mishaps gives Alma "the grumps"; Junior wants to play basketball with the big kids and make a basket.

Molly and Tooey decide to make a few of their own Alaska Native superheroes; Molly wants to fix up her old sled for Trini, but she's not sure she is ready to part with it.

Madam C.J. Walker shows Xavier that working hard on his lemonade stand can help him afford the pogo stick of his dreams; Edwin Binney shows Xavier, Yadina and Brad that to work together as a team, they should listen to everyone's ideas.

Nancy Silverton prepares twice-baked brioche, brioche pockets, pecan sticky buns and brioche tart.

Tommy repairs 130-year-old pocket doors; a new type of solar goes in; Jenn works with landscaper Fred to build a boulder wall; Richard gives a lesson on the modern furnace; father Mark and son Erik Ferrante on the art of mosaic tile installation.