A prosthetic eye is a work of art custom-crafted for an individual. Rebecca Davis/NPR hide caption

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Where We Learn That Artificial Eyes Really Aren't Round At All

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First-year medical student Michelle Gentile assists her classmate Abbie Harts as she performs a pelvic exam on a volunteer at Northwestern University. Joshua Lott/Reuters /Landov hide caption

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Two cervical cancer cells divide in this image from a scanning electron microscope. Steve Gschmeissner/Getty Images/Science Photo Libra hide caption

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Should HPV Testing Replace The Pap Smear?

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Elizabeth, Samuel, Bryan and Noah Shaw amid Texas bluebonnets on Easter Sunday. Samuel was conceived with in vitro fertilization so he would not suffer from the hereditary cancer that afflicted Noah. Courtesy of Elizabeth Shaw hide caption

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Faith Drives A Father To Create A Test For Childhood Cancer

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Noah Shaw, now 5, shows off his Texas roots at a recent birthday party. Courtesy of Bryan Shaw hide caption

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Chemist Turns Software Developer After Son's Cancer Diagnosis

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