Britain's House of Commons voted overwhelmingly on Tuesday to legalize the creation of so-called "three-parent babies." Though advocates of the move say it will help prevent a debilitating and often lethal condition, many warn that the procedure, though well-intentioned, opens the door to ethical and safety questions that have yet to be sufficiently grappled with.
When two groups of scientists announced in mid-February that they had finished mapping the human genome, scientists, politicians and journalists paid rapt attention. The human genetic code has been deciphered! We are on our way at last to obeying scientifically the old Delphic oracle: Know thyself!