"Meet Bessie, who could soon be the first cow to give birth to a cloned ox. If she delivers the rare Asian gaur growing inside her, she will herald a stunning new way to save endangered, or even recently extinct, animals. The bovine surrogate mother is carrying the gaur fetus on a farm near Sioux City, Iowa, and is expected to give birth to "Noah" next month. "He will be the first endangered animal we send up the ramp of the ark," said Robert Lanza, the vice president of medical and scientific development at Advanced Cell Technology, and one of the lead authors of a study published Sunday in the journal Cloning. "This is no longer science fiction. It's very, very real.""