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Enduring Mona Lisa mystery to finally be solved?

ROME - Italian researchers have announced a plan to dig up bones in a Florence convent in hopes of identifying the remains of a Renaissance woman long believed to be the model for the Mona Lisa.

The researchers hope that the project can help answer some of the enduring mysteries surrounding Leonardo da Vinci's masterpiece, including whether the woman, Lisa Gherardini, was indeed the model.

They launched their project in Florence Tuesday.

Project leader Silvano Vinceti said the excavations in the Convent of St. Ursula, in central Florence, are scheduled to begin at the end of April.

Lisa Gherardini was the wife of a rich silk merchant named Francesco del Giocondo. Tradition has long linked her to the painting, which in Italian is known as "La Gioconda."

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The effects of migraine

About one in seven people live with what's ranked the second-most debilitating disease on the planet, right after back pain: migraine. Though the causes are unclear, migraine is a serious neurological disease that often runs in families. But the malady is not often taken seriously, in part because the headaches, sensitivity to light and sound, nausea, dizziness, and a host of other symptoms affect three times as many women as men. Correspondent Susan Spencer talks with migraine expert Dr. William Young; Linda Porter, of the National Institute of Neurological Disorders and Stroke, about migraine research; Katherine Foxhall, author of "Migraine: A History"; and Cincinnati artist Priya Rama, whose migraine visions have become key to her art.

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Auschwitz at 75: For those who come after

Last month about 200 survivors of the Auschwitz concentration camp returned to the site where 1.1 million people were murdered – Jews, Poles, Soviet prisoners of war, gypsies, and others. Their ceremony, marking the 75th anniversary of their liberation, was a tribute to the living, and a lament for the dead. Correspondent Martha Teichner talks with Ronald Lauder, the chairman of the Auschwitz-Birkenau Memorial Foundation and president of the World Jewish Congress, and with men and women who survived the Nazi horror and returned, about their dedication to bearing witness about those who perished to a younger generation, many of whom do not even know what Auschwitz is.

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Harrison Ford on "The Call of the Wild"

Harrison Ford has embodied some of the most enduring characters ever put on film as part of the "Star Wars" and Indiana Jones franchises. In his latest movie role he has embarked on one of the most enduring tales of Man's Best Friend ever written: Jack London's "The Call of the Wild." Correspondent Lee Cowan sat down with the Oscar-nominated actor to talk about performing opposite a CGI dog; returning to the character of Indiana Jones for another upcoming adventure; and speaking out as an advocate for protecting the environment, among his other passionate causes.

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The fabled Moulin Rouge

The Moulin Rouge, the famous cabaret with a windmill that opened in the Montmartre section of Paris 130 years ago, is still drawing crowds to its spectacular shows featuring a chorus line of often-topless dancers. And it's now the inspiration for a hit Broadway musical. Correspondent Alina Cho visits the landmark that has inspired artists and writers (and even marriage proposals), and talks with its artistic director and dancers, along with the Tony Award-winning set designer of the new Broadway show, "Moulin Rouge!: The Musical."

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