Should scientists manipulate the genetic information of cells?

Discover the process of making identical genetic copies.

What are stem cells and what makes them unique?

The science and controversy of stem cell therapy.

When will we see the first human clone, and should we make one at all?

The story of an American millionaire and his Genius Sperm Bank.

Should we create a new life in order to save an existing one?

Why not all twins are the same.

The controversial birth of the world's first cloned animal.

The legacy of Robert Graham's Genius Sperm Bank.