An aid worker in Islamabad, Pakistan, talks about the status of recovery efforts there.

Charles Mann talks about his new book "1491: New Revelations of the Americas before Columbus", a new book that challenges the history of the Americas before Columbus arrived.

A history of Angel Island, the Ellis Island of the West, where more than a million people, most of them Chinese, entered the U.S., and many found themselves incarcerated.

Annals of Improbable Research editor, Marc Abrahams, introduces the Ig Nobel Awards; rewards for strange but true scientific achievement.

Robin Young talks with singer-songwriter Michael Penn about his new CD, "Mr Hollywood Jr. 1947"