In this addition to the critically acclaimed Scientist in the Field series, Dorothy Patent follows the scientists trying to put a stop to a gruesome disease before it's too late.Tasmanian devils are dying at an alarming ratefrom a type of tumor that appears to be contagious. What scientists are learning while researching the Tasmanian devil has potential to affect all animals, and even humans, as they learn more about how to prevent and hopefully eradicate certain genetic diseases.