This story is part of a series on the current progression in Regenerative Medicine. In 1999, I defined regenerative medicine as the collection of interventions that restore tissues and organs damaged ...

Nature gave the world the dire wolf 2.6 million years ago, and then, through the hard hand of extinction, took it away—some 10,000 to 13,000 years ago when the last of the species died out. Now, the ...

Cloning human organs has sparked intense interest and debate in recent years, drawing attention from scientific, ethical, and medical communities. The potential for cloning human organs presents ...