From computer programs that help the blind “see” using sound to the ability to regenerate amputated limbs, new technologies have opened a new world of possibilities for the human body. But as scientists ask how much we can augment, enhance and push the human form, this new world contains a host of ethical issues. Journalist Adam Piore, author of the new book “The Body Builders,” takes us inside pioneering projects of bioengineering and the moral concerns facing the field.

Guests:

Adam Piore, former editor and correspondent, Newsweek; author, "The Body Builders: Inside the Science of the Engineered Human"