Big bang’s ghosts
In this special issue of Cosmos Magazine, we report on no less than two monumental successes. Firstly, almost 100 years after Albert Einstein first predicted gravitational waves, scientists believe they have found solid evidence for their existence. And secondly, human cloning. The idea of creating a perfect embryo close of a patient, and deriving embryonic stem cells from it which could serve as rejection-free tissue grafts for patients.