Two dads, one baby? Gene technique works in mice

For the first time in history, scientists have created mice with two dads, foretelling a day when same-sex couples may be able to have biological children of their own. The success, announced by Japanese researchers last month, has not yet been tried on people. But scientists at two Bay Area startups, as well as a company in New York City and another in Japan, are striving to move the mouse research into humans, and rewrite the rules of reproduction by making sex cells in a lab. If successful in people, the technique would allow the creation of an egg cell from blood or a tiny sliver of a man ...