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Investigating explosions in Siberia and other evidence that melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.

A woman finds herself on a transformative journey as she nurtures wounded hummingbirds amid the glamour of Hollywood.

Survivors race to rebuild stronger one year after the wildfires in LA.

Wildlife cameraman Colin Stafford-Johnson explores Ireland's west coast and wildlife, including humpback whales, eagles, salmon and red deer stags.

Wildlife cameraman Colin Stafford-Johnson explores Ireland's west coast and wildlife, including humpback whales, eagles, salmon and red deer stags.

Award-winning musician Emeli Sandé explores her grandparents' war stories which span World War II, the Mau Mau insurgency in Kenya and the fight for independence in Zambia.

King Friday commands that all Neighbors celebrate a Bass Violin Festival.

D.W. is afraid of octopuses at the lake; Buster discovers an unusual bone on a dinosaur-fossil dig.

The Kratts search for the tiger, the world's most powerful wildcat.

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

The Washington Post columnist Shadi Hamid.

Discussing what comes next for Venezuela after the U.S. raid to capture the country's president; Sen. Ruben Gallego (D-Ariz.); political scientist Francis Fukuyama.

Investment tips in stocks, bonds, real estate and collectibles.

Jamie Keech, executive chairman of Vida Carbon; Kaya Axelsson, University of Oxford Net Zero.

Opposition in colonial North America to British policies over taxes, land and sovereignty escalates into violent confrontation; war gives 13 colonies a common cause.

Exploring the work of filmmaker Ken Burns, including "Country Music," "Muhammad Ali," "Benjamin Franklin," "The U.S. and the Holocaust," "The American Buffalo," "The Vietnam War" and more.

Female taiko drummers from Japan and North America come together to perform in concert.

The life and music of Ramon "Chunky" Sanchez, including his transformation from a marginalized farm kid to social activist.

The rich history of Avocados in California.

White Flower Farm in Connecticut's Litchfield County; Dumais Made, a ceramics studio specializing in home decor; Cider Hill Farm's hayride tour, antique apple varieties and cider donuts; Red Kite Candy in Hanover, N.H.

Analysis of national and international news, as well as in-depth reporting on topics ranging from education and politics to technology and finance.

Elliott Abrams discusses Venezuela's future and prospects for democracy.

Neil Dudgeon and acting royalty Dame Diana Rigg travel around their native Yorkshire; Neil finds his feet in the world of antiques, while Dame Diana shows her expert that's she's in charge right from the start.

As Eliza and Blake's relationship evolves, they find working together can be a tricky prospect; newlyweds Ivy and Potts adjust to married life, a new detective settles in at Scotland Yard.

As victory in Europe is declared, there is the promise of peace at last; James is wishing for a greater sense of peace at the surgery as he juggles vet work with a busy family life and an exceptionally challenging Siegfried.