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More than one in ten Americans suffer from migraines, and yet this chronic condition is difficult to diagnose and treat. In his mid-forties, writer Andrew Levy suffered from daily migraines. To help combat the pain, he began keeping a journal and researching the medical and cultural history of migraines. The result is his memoir "A Brain Wider Than the Sky: A Migraine Diary."

Some people who live in Carlsbad suspect that toxins in the ground, water and air are causing cancer and other illnesses. Desperate for answers, they’re calling for environmental tests.

Female circumcision has been illegal in Egypt for years, but authorities are making a stronger push to eradicate it after a young girl died last month during the procedure.

Palin Power

As residents of Montcoal, W.Va., mourn the deaths of at least 25 coal miners in the deadliest U.S. mining disaster in more than two decades, Americans may wonder why the country is still using a fuel that can be dangerous to produce and damaging to the environment. Coal is an inexpensive and efficient way to generate electricity and is likely to remain a power source for the foreseeable future.

An exhibit about Eros at Rome's Colosseum seeks to illustrate the huge gap between contemporary attitudes of erotic love and how the subject was treated in antiquity.

Almost 2,000 years before the Inca sun cult appeared, a culture in coastal Peru built a series of towers to track the movement of the sun. Archeologists say it may be the oldest solar observatory in the Americas.

The South African cleric and human-rights activist Desmond Tutu joins Renee Montagne to reflect on his long life and his lasting message about forgiveness and reconciliation. His new book, Made for Goodness, is an explanation of his personal sense of spirituality and an invitation to share in his beliefs about the basic goodness of humanity.

As Athens prepares for the upcoming Summer Olympics, archaeologists are exploring the thousands of years of history that lie just beneath the city's surface. Chris Joyce reports on findings about the civilization that created the first Olympics.

Along the coast of Peru, a mysterious civilization sprang up about 5,000 years ago. A team of archaeologists believe a climate change led to the rise of this civilization of mound builders, which eventually spread across South America.