Commentaries may focus entirely on Dr. Hoover’s paper, or you may speculate about the implications, e.g, the evolution of life on other planets, the origin of life on Earth, our genetic ancestry, “are we alone?” etc.
Oh, well. And to be honest, given the comments that actually appeared on the webpage of the Journal, I’d be surprised if they were actually peer-reviewed at all (as claimed by the editors).
Despite the premises, I tried to develop an informed opinion, to answer the questions of friends and family who read about the news everywhere on the web. After reading about it here, here, here and here, I am tempted to say that the claim is far from robust, and, to say the least, it should be taken with a huge grain of salt.