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We are sure that you have seen the press stating that many of the cell lines used by scientists are actually bad. They can be misidentified (someone at some point put the wrong label on a vial), contaminated (someone sneezed), or over grown by other cells (in the immortal words of Oprah in the immortal life of Henrietta Lacks, 'HeLa's coming after you').

• SciCrunch Blog
• 5 years ago - by Anita Bandrowski