Latest Signal to Noise

  • DNA editing in humans: Biologists preach prudence DNARecent advances in genetics have afforded the ability to precisely manipulate every letter of our genetic code.  Several world-renowned biologists, however, have called for a moratorium on using this technology to modify human DNA that can be inherited by future generations.  Adapted from bacterial immune systems, the CRISPR-Cas9 system has been used extensively to modify the…

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  • The Cell’s DNA Construction Crew: Repairing and rebuilding the genome cell-repair-imagePresented by Thomas Graham The DNA inside one of your cells, if stretched end to end, would be about two yards long and less than 1/50,000 the width of a human hair. Your cells have been following the instructions in your DNA since you began life as a single-celled embryo, and they will continue doing…