At TED, chemist David R. Liu describes how a combination of CRISPR molecules and chemically engineered proteins could change the atomic makeup of DNA bases–and potentially cure impossible-to-treat genetic diseases. Ever since the gene-editing technique CRISPR was commercialized several years ago, it’s been at the center of conversations and controversy around genetically modifying everything from tomatoes to humans suffering from genetic diseases like sickle cell anemia and muscular dystrophy.Read Full Story