Steph

“In recent years, using tissue samples from themselves, their families, and their patients, scientists had grown cells of all kinds—prostate cancer, appendix, foreskin, even bits of human cornea—often with surprising ease. Researchers were using that growing library of cells to make historic discoveries: that cigarettes caused lung cancer; how X-rays and certain chemicals”
― Rebecca Skloot, The Immortal Life of Henrietta Lacks