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 ...

Back when it was no more than a cheesy science-fiction plot device, human cloning seemed like something that would eventually be revealed to a horrified world full-blown and fully grown–a monstrous ...

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 ...

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.