K42CU-D

Archaeological investigations into the origins of democracy in Greece 2,500 years ago; mass graves and ancient ruins where tyrants were murdered shine light on the birth of a revolutionary form of government.

From New York to Kolkata, dicovering the surprising and beneficial ways urban wildlife transforms cities into thriving, shared ecosystems.

Exploring America's ancient cities; a lost city on the Mississippi River; native elders reveal ancient powers of the sky.

Examples of resistance, survival and revival are revealed through horse-mounted Comanche warriors, secret messages in an Aztec manuscript and a grass bridge in the Andes.

Rebecca Hall and Lee Daniels research their family histories.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Dr. Roger Mitchell, president of the National Medical Assoc.; Dr. Regina Hampton and Dr. Allison Bruff explore breast cancer awareness and early detection.

Stay informed with the latest breaking news and headlines.

Lyla has to help multiple people but rushes each task, which makes things worse; Lyla must use her left hand after hurting her right wrist.

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 takes a spoon away from Margaret, which makes her cry; Teacher Harriet explains that you should ask first before taking something away from someone.

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

Elmo tries to win a race without eating his sandwich, but learns that eating healthy food will give him energy; Cookie Monster tries to eat the sandwich for himself.

The Wombats build a Cause and Effect machine; Super's best friend Chanaa pays a visit.

Donkey and Panda have different ideas about how to celebrate Best Friends Day; while getting ready to make big art, the pals get stuck to a big glue bottle.

Rosie and Javi learn how people did things before there was electricity after a storm causes a power outage; Rosie learns to use tools from nature during a family camping trip.

While delivering chocolates, the kids learn that warmer temperatures can melt treats; the kids help Mr. Raccoon calm down when he is having a bad day.

Drawing techniques to help quilters with design; using stamped and colorized designs in repeating patterns to create focal points, borders and printed yardage.

Aligning and strengthening the hips and feet to improve balance; strengthening the core and hips to improve balance and posture.

A woodshed takes a farm-to-table approach to furniture; AY Young and his Battery Tour.

The different types of salt and its properties in water, as a solid and in food -- including ice cream.

Arthur enlists the help of an expert mouse catcher; Binky, Muffy and Ladonna find a kite in the park.

During the town of Trifle's 100-year anniversary party, Ozzie and Onom must stop Tracey Trifler from covering it in trifle; Osric and Omni try to stop a Roman gladiator from causing ancient oddness.

The Kratt brothers use a new archery skill to rescue baby animals from Donita Donata's yacht.

The Hunters search for a way to monitor the weather after they lose power during a thunderstorm.

When Alma and her family travel to Puerto Rico to visit Papi's family, Alma can't wait to dance Bomba on the beach; her dancing plans are put on hold when an unmarked package containing a beautiful Bomba skirt is dropped in front of her bisabuela.

While fishing, Molly and her cousin, Randall, encounter a sea lion with a strange word written on its back; Molly's scout troop halts its hike when Trini scrapes her knee.

Xavier and Yadina overcome a sibling spat with the help of Confucius; Sacagawea helps Xavier and Brad realize that just because Yadina is younger, she can do more than they think.

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.

Northern collective mixing bluegrass and old-time tradition into energetic original music.

Blackfeet Nation history in Montana; a Blackfeet Nation rancher and traditionalist; a father and son outfitter team; a mother and artist who was chosen to create a statue to commemorate Madeline Island's connection to its people.

Hunting ducks with wounded Iraq War veteran and former Minnesota state legislator John Kriesel; Prairie Pothole Day celebrates its 42nd year.

Kevin demos a wall in the primary bedroom; framing an exterior wall to tie old and new spaces together; reviewing shared plumbing for the ADU; burying a new 400-amp service to feed both homes.

Turning a flower vase on the lathe; how to start seeds indoors for spring; breaking down common mortar cracks in fireplace hearths and surrounds; upgrading a garage door opener by adding a Wi-Fi hub.

Stay informed with the latest breaking news and headlines.

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.