Washington, January 27. the first time Scientists crossed human and pig. However, an awesome hybrid of them had to be destroyed for ethical reasons.
American, Spanish, and Japanese scientists joined in the cultivation of a fetal pig to human cells. After introduction into the embryo of one of the three types of human stem cell specialists have followed his development in the sow.
Hybrids have allowed to develop in the womb is not more than four weeks, during this time, they have cells prior tissues of the human heart, liver, etc.
However, scientists acknowledged that their research could be more dramatic results, as of 2 thousand 186 embryos only lasted a few weeks..