Portents of the unthinkable 

According to the Fermi Paradox the failure to date to achieve radio communication between Earth and extraterrestrial civilizations can be attributed to their short longevity due to inevitable self-destruction. Tragically Homo “sapiens” may not constitute an exception. The most extensive catastrophe in the history of Earth―the end-Permian- mass extinction 251 million years-ago, triggering atmospheric and marine warming, ocean acidification, toxic[Read More...]