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 ...

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.

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 is a biotechnological process that involves creating genetically identical copies of an organism or cell. In essence, a clone is an exact genetic replica of the original organism or cell, ...