92 Years Later, A Sickle-Cell Surprise

Dr. Jeffrey Taubenberger of the National Institutes of Health looked into a microscope this summer and saw something unexpected. He had been looking for evidence of a flu virus. Instead, he found the earliest known proof of sickle-cell anemia. Host Liane Hansen interviews Maryn McKenna of Wired magazine about the chance discovery of the first tissue sample of sickle-cell anemia.