Dr. Blockhead’s mocking face was solemn for once. ‘Modern science is wiping out deviant strains of the human form,’ he said. ‘In the twenty-first century, genetic engineering will do more than merely eliminate Siamese twins...

Scully nodded. Of course. It made sense. Complete sense. No question about it. Mulder was perfectly sane in telling her all this. And she was perfectly sane in listening to it and nodding and urging...