One of the greatest conundrums to face humanity is why we have yet to make first contact with extraterrestrial life. Some explanations are better than others. Over at io9, George Dvorsky tells us about seven of the weakest solutions to the vexing conundrum known as the Fermi Paradox.
https://gizmodo.com/the-7-least-plausible-solutions-to-the-fermi-paradox-1688525196
