Cloning

The death of the tortoise raises the question -- how can we save our endangered animals before it's too late?

Cloning helps corals colonize habitats far and wide

How do scientists make cloned animals?

Tiny animals, called rotifers, can reproduce without sex, but when push comes to shove, they choose sex.

Michael Jackson reportedly was very interested in being cloned. But it's not so easy.

Japanese scientists cloned mice that had been frozen 16 years.

Sand dollar larvae clone themselves when they sense predators are near.

Scientists clone a beam of laser light, but the technique is not perfect. Forty years ago in a similar Sci-fi experiment, the Enterprise's transporter made a flawed copy of Captain Kirk.

Scientists, FDA says cloned products OK to eat, consumer groups disagree.