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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.

Exploring the unique evolutionary journey of woodpeckers and the role they play in every ecosystem, except Antarctica and Australia.

The Real Yellowstone takes viewers into ranches across the American West, where multigenerational families struggle to hold onto the land as predators return, real estate pressures rise, and a powerful conservation movement reshapes the landscape.

Cora Felton, AKA "The Puzzle Lady," has a remarkable talent for solving murders.

A Walpole ranch is reimagined with an ADU for aging parents, a primary suite bump-out, smarter baths and better flow from garage to new mudroom and kitchen.

Basic tools and supplies needed to paint a room; compost versus disposal; how to run underground power from a house to a shed.

Carl surprises Sheldon with a lemonade stand, but is confused when Sheldon runs off; Carl's caterpillars turn into butterflies.

The Hunters find a stowaway in their picnic basket, a little furry dog.

Everett faces his fear of water by taking a swimming lesson; Lyla doesn't want Miss Emmaline to move.

Marine botanist Sylvia Earle and Fred Rogers snorkel off the Florida Keys.

A hands-on approach to science, technology, engineering and math.

Pre-teens engage in a variety of vignettes and sketches.

Exploring the unique evolutionary journey of woodpeckers and the role they play in every ecosystem, except Antarctica and Australia.

The Subaru Crosstrek Hybrid; the Mazda CX-50 Turbo Carbon Edition; "Your Drive" car care.

Financial journalist Consuelo Mack interviews some of the most trusted names in the investment business, along with what she terms "financial thought leaders" and big-name investors, all with an eye toward providing viewers with ways to build wealth and protect if over the long term. Mack and her guests deal with stocks, bonds, real estate and even art and collectibles as a means to building wealt

This unique series provides an inside look at the steps and strategies involved in developing a product, from concept to completion. Teams develop an idea, make a prototype, then pitch their ideas to a panel of industry judges -- all in 48 hours. Mentors offer advice to the teams on product design and development as they work on their inventions. In the end, three products are chosen to be develop

Social, political and economic trends of American agriculture.

A documentation of unique places around the world, from pristine natural spaces to the infrastructure of haunting industrialized zones.

The Real Yellowstone takes viewers into ranches across the American West, where multigenerational families struggle to hold onto the land as predators return, real estate pressures rise, and a powerful conservation movement reshapes the landscape.

Exploring the artistry and devotion behind America's waterfowl traditions, from carvers to conservationists.

Farmers and ranchers explore agrivoltaics -- a new approach that combines solar power and agriculture -- which may help sustain farms, livelihoods and the planet.

Exploring the West's high desert for the greater sage-grouse -- the largest grouse in North America.

The push to reduce mosquito populations to protect native Hawaiian forest birds from extinction due to non-native mosquitoes carrying lethal avian disease.

Margaret Hoover leads interviews and debates.

John Katko strives to bring balance to discussions on divisive political issues.

Rick Steves' guidebooks, public-radio program and numerous television series have made him an essential resource for travelers wishing to explore Europe. This program finds the knowledgeable host offering globetrotters a fresh perspective on lodgings, transportation and places to visit on their journeys. One thing that hasn't changed, however, is Steves' belief that travelers should become "tempor

Emmy Award-nominated host Darley Newman travels with locals to experience the history, food, music and art of exciting locations around the world. Originally a web series, "Travels With Darley" takes viewers through Europe, the Caribbean and the U.S., exploring each location's diverse cultures and traditions. Segments include snorkeling the Jacques Cousteau Reserve in Guadeloupe; a road trip along

A new cohort of junior doctors join the midwives, including Timothy, who observes the contrast between clinical medicine and compassionate care at Nonnatus House; Violet announces her plan to shadow the midwives.

When sisters Becca and Rosaline receive shocking news about their mother, they fly to the Isle of Man to find out more and are reunited in their sorrow after years of distance.

Edmond locates Gaston, Villefort's illegitimate child, who has grown up to be a thief; Danglars discovers Fernand's treacherous deeds in Algeria and reveals all to the press.

The career of Academy Award-winning actress Diane Keaton, including clips and reflections on her work in films such as "Annie Hall," "Reds," "Baby Boom," "Father of the Bride" and "The First Wives Club.".