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American Experience presents The Presidents: ten 20th century biographies that offer an intimate and compelling look at the men who have defined and re-defined the modern presidency, and who led the country through some of the most turbulent and consequential moment in our history.

Every year some 80 percent of the world's Sandhill cranes make their way through a 75-mile stretch of Nebraska's central Platte River Valley on their spring migration. Crane Song weaves together the visuals and sound of the birds' journey with the stories and insights of the individuals who observe these creatures, as well as landowners endeavoring to ensure a habitat that is welcoming to the cranes.

Millions of people around the world live in the shadow of active volcanoes. From Japan's Mount Fuji to the 'Sleeping Giant' submerged beneath Naples to the Yellowstone 'Supervolcano' in the United States, Nova travels with scientists who are attempting to discover how likely these volcanoes are to erupt, when it might happen, and exactly how deadly they could prove to be.

When Caillou's older friend Andre comes over for a play date, Caillou learns a lesson about the importance of not hiding who you really are; he realizes how important good vision is after making a pretend pair of glasses; he learns that not every race is about winning when he and Grandpa enter a charity fun run.

For Commisaris Piet van der Valk, it's a new day and a new dawn as he welcomes two new Sergeants to the team, the hotshot but impulsive Eddie Suleman and the technical whiz Citra Li.

Celebrates the visionaries behind science fiction, crime dramas, local kids' TV, and westerns.

In the spring of 1918, an army private reported to a hospital in Kansas. He was diagnosed with the flu, an illness that doctors knew little about. By the end of WWI, America was ravaged by a flu epidemic that killed 675,000 people.

"Retired archaeologist Judith Potts's peaceful evening in Marlow is shattered when she witnesses a brutal murder. With the local police, led by newly promoted DS Tanika Malik, reluctant to believe her story, Judith teams up with local dog-walker Suzie and unfulfilled vicar's wife Becks to investigate. As the bodies begin to pile up, the unlikely group of sleuths must use all of their skills to piece together clues, grill suspects, and face down real...

"The Brain Fitness Program, as seen on Public Television, is based on the concepts of neuroplasticity -- the ability of the brain to change and adapt and even rewire itself"--Container.

This is the story of Jewish survival. From slavery to the loss of their homeland; from exile to anti-Semitism; from pogroms to near annihilation in the Holocaust, they managed to endure while so many communities have vanished. Spanning millennia, this history of the Jewish people explores how a small group who started as desert nomads overcame countless obstacles to survive to the present day.