K21IR-D

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.

An Edgar Allan Poe daguerreotype; a Teco collection circa 1905; a 1907 Frank Lloyd Wright archive.

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.

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

An intermediate workout to strengthens the core and open the chest and pectorals also helps to improve posture.

Engaging the pelvic floor and sitting on the sitz bones for proper posture; warming up with a foot massage; balance exercises.

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.

People working to improve biodiversity, saving keystone species and using Indigenous wisdom to rebuild and restore the forests.

Exploring China's history, beginning at a festival devoted to ancient gods; China's first emperor; traveling the Silk Road; Tang dynasty.

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.

A behind-the-scenes tour of the state capitol complex, governor's mansion and the Texas Supreme Court.

Shopping at the World's Largest Flea Market at Canton's First Monday Trade Days; driving through an East Texas safari park; historic renovations in Canton, Texas.

Allan Cole shares his story of living with young-onset Parkinson's disease.

Matagorda Island, the traditional homeland of the Karankawa people and World War II training grounds; surfer Ellis Pickett advocates for the public's right to free and unrestricted access to Texas beaches.

Grammy Award-winner Robert Glasper performs songs from "Black Radio"; DOMi and JD Beck perform tunes from their debut album "Not Tight.".

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