Dec. 16, 2019
        
        Playing God with Our Genes
 
    
    
    
        
    A year ago, the MIT Technology Review broke the news that a Chinese scientist used the gene-editing technology known as CRISPR to genetically modify human embryos
 
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
             
                
            