Sten Odenwald, an astronomer with the National Institute of Aerospace, has an article up at HuffPost that many will find disheartening: The Dismal Future of Interstellar Travel | Dr. Sten Odenwald. I have been an avid science fiction reader all my life, but as an astronomer for over half my life, the essential paradox of my fantasy world can … Continue reading Reaching the stars will require serious out-of-the-box thinking
The intermixing of modern humans and Neanderthals is back in the news: BBC News - DNA yields secrets of human pioneer. DNA analysis of a 45,000-year-old human has helped scientists pinpoint when our ancestors interbred with Neanderthals. The genome sequence from a thigh bone found in Siberia shows the first episode of mixing occurred between 50,000 … Continue reading Maybe we’ve found Neanderthals, and they are us.