The Immortal Life of Henrietta LacksHer name was Henrietta Lacks, but scientists know her as HeLa. She was a poor Southern tobacco farmer who worked the same land as her enslaved ancestors, yet her cellstaken without her knowledgebecame one of the most important tools in medicine. The first immortal human cells grown in culture, they are still alive today, though she has been dead for more than sixty years. If you could pile all HeLa cells ever grown onto a scale, theyd weigh more than
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