
What About Rover and Fluffy?

What About Rover and Fluffy?

Clonan the Barbarian


What are the potential medical benefits of animal cloning? So far I have mostly read about the social problems cloning could create if applied to humans.

How close are we to being able to reconstruct the DNA of long-extinct creatures--dinosaurs, for instance? What kinds of technical hurdles do we need to overcome, and do the recent advances in cloning bring us any nearer to the goal?

Dolly's Legacy
Nuclear transfer--used to clone Dolly and now owned by Geron--may help scientists develop more potent stem-cell therapies

Send in the Clones
Using a new technique, scientists have cloned clones from clones

Cloning Hits the Big Time
Genetic copying of animals is attracting commercial interest

A Clone in Sheep's Clothing
A sheep cloned from adult cells opens vast scientific possibilities and ethical dilemmas

How to Clone a Sheep