iam13 (25)in #extinction • 8 years agoMost interesting fact about planet earth not known by many?Format: The fact that our planet is well underway and into its 6th Mass Extinction. You may have recalled our last…iam13 (25)in #alien • 8 years agoAlien Invasion?I recently was asked to answer the following question over at Quora, "Humanity unites to defeat an alien invasion. How…