The experiment could help combat the long-running ethical issues surrounding the use of human embryos in laboratory experiments AMERICAN scientists have successfully mixed artificial human cells ...

But now researchers led by Dr Ali Brivanlou, from Rockefeller University in New York, have achieved the unimaginable in a shock experiment. By grafting petri dish-grown human cells onto the embryo ...

scientists in New York have created half human-half chicken embryos in what some have described as 'sick' and 'disturbing' experiments. However, researchers hope that by transplanting human stem ...