21st century wire say one step close future industry farm organs human surrogates.american scientists try grow human organs inside pig order tackle donor shortage problem reaction solution .the potential limitless profit immense guardianscientists try grow human organs inside pig attempt tackle shortage donors successfully create part-human part-pig embryos reported.researchers university california davis combine human stem cells pig dna allow embryos mature 28 days terminate experiment analyse tissue.they believe animals would human internal organ may look behave like pig could ready source organs life-saving transplants.it report early year scientists begin attempt create embryos opposition authorities september last year us national institute health say would back research so-called chimeras know implications.it cite fear presence human cells could affect animal brain behaviour potentially make human prof pablo ross reproductive biologist lead research seek calm fear say low potential human brain grow .peter stevenson compassion world farm tell bbc panorama programme nervous open new source animal suffer let first get many people donate organs still shortage consider use pig basis eat less meat overall increase number pig use human purpose prof ross say hope pig embryo develop normally pancreas make almost exclusively human cells could compatible patient transplantation continue story guardianread transhumanism news 21st century wire transhumanist file american scientists harvest human organs live pig create human-pig embryo