Add Yahoo as a preferred source to see more of our stories on Google. If you see a monkey on the loose in Florida, don't approach it. Don't touch it, don't feed it, don't try to befriend it. There are ...

(CNN) – The first animal scientists were able to successfully clone Dolly the sheep in 1996. Since then, scientists have cloned other mammals, including pigs, cows, horses and dogs. Tuesday’s issue of ...