Terry Gross

Writer Julie Fenster. She written a new book about the coincidence and circumstance that led to the first use of ether, making surgery painless for the first time. The breakthru day — known as Ether Day — was Oct. 16, 1846. One of the men behind it was a Boston dentist, William Morton, who was also a conman and an opportunist. Fenster tells the story in her new book, Ether Day: The Strange Tale of America Greatest Medical Discovery and the Haunted Men Who Made it (HarperCollins). Fenster is a columnist for American Heritage and a contributor to the New York Times.

Science and natural history writer Hannah Holmes. Her new book is The Secret Life of Dust: From the Cosmos to the Kitchen Counter, the Big Consequences of Little Things. (John Wiley & Sons) Among the interesting facts youl find in the book is this: within a juice glass sitting in the sun, you would find 25,000 microscopic pieces of dust, at a minimum. Holmes is also a regular contributor to the Discovery Channel Online.

South African journalists Mondli Makhanya talk about race and racism in their country in light of the upcoming U.N. conference on World Racism, which will be held in South Africa. Barrell is editor of Johannesburg Daily Mail & Guardian. Until his appointment as editor last year he was political editor of the M&G. Mondli Makhanya is the Political Editor of the Sunday Times.