Every season of Unnatural Selection ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Unnatural Selection!

Gene-editing technologies promise to eliminate diseases, and biohackers push for access while scientists grapple with formidable ethical questions.

Cut, Paste, Life

New gene therapies may change the lives of Jackson, Nick and Tristan. But on this risky frontier, nothing is guaranteed, and the price can be steep.

The First to Try

Using gene drive technology, humans have the chance to shape -- and eradicate -- whole species. But the implications alarm bioethicists and activists.

Changing an Entire Species

As Jackson gets ready for surgery, Maria and Victor await their “three-person baby” at a Ukrainian clinic that uses pronuclear transfer technology.

Our Next Generation

From eradicating disease to selecting a child's traits, gene editing gives humans the chance to hack biology. Meet the real people behind the science.

The Best Seasons of Unnatural Selection

The Best Seasons of Unnatural Selection

Season 1