A star scientist at La Jolla’s Scripps Research has left the elite biomedical institute, where he had been investigated for a possible violation of Title IX, a law prohibiting sex discrimination in education programs that get federal financial assistance. Floyd Romesberg, known internationally for developing a partly artificial life form with an expanded genetic code, left Scripps Research in mid-June, the institute says but has declined to elaborate. Romesberg, 53, gained world attention in 2014 when he and fellow Scripps Research scientist Denis Malyshev successfully engineered bacteria to replicate using two synthetic letters of DNA, in addition to the four natural ones. Learn More