I don’t care how you prune your tomato plants. But if you prune them, the suckers present an interesting opportunity. New plants. One more weird thing about tomato plants is that they can create ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo collage of rhesus monkeys on top of microscope photography of cells. Researchers in China have successfully cloned the first ...

Two groups at Harvard University have announced that they have received approval to start human-cloning research designed to create lines of embryonic stem cells to study and treat diseases. “We are ...

Only a handful of laboratories around the world are pursuing human-cloning experiments. Researchers at Harvard are now trying to get approval from university and hospital review boards to start their ...

CLONING ADVOCATES are playing a shell game with the American people. At the federal level, they advocate the legalization of human cloning but assert that cloned embryos should be destroyed after 14 ...

When U.S. biotech firm advanced Cell Technology announced last week that it had cloned the first human embryo, Europeans greeted the news with a mixture of interest, suspicion and revulsion.

THE SENATE will shortly take up one of the most pressing moral, ethical, and scientific issues of our time: the Brownback proposal to outlaw human cloning. Two alternative proposals would ban only ...

Researchers in China have successfully cloned the first rhesus monkey, a species widely used in medical research because of its physiological similarity to humans. The monkey, named Retro, is now more ...