Frozen samples of brain cancer tumors can be carefully thawed, put in a nourishing medium and placed in a body-temperature incubator to bring them back to life. Above, research specialist Sharon Longo holds a flask in which the cells are placed for this nurturing process. Researchers can study to see, for example, whether the cells will grow a new tumor or how they might react to various chemicals. In addition to frozen tissue, fresh tumor cells can also be studied.
(PHOTO BY ROBERT MESCAVAGE)