Visualization of 5 mass extinctions
/r/collapse: Collapse of Civilization - Discussion regarding the potential collapse of global civilization, defined as a significant decrease in human population and/or political/economic/social complexity over a considerable area, for an extended time. We seek to deepen our understanding of collapse while providing mutual support, not to document every detail of our demise. - May 26, 2018 - 16:33
The 5 mass extinctions
/r/Damnthatsinteresting: Damn, that's interesting! - The most interesting place on reddit - November 27, 2015 - 00:45
/r/educationalgifs: For .gifs that provide knowledge! - Gifs are great at getting quick to digest info, and /r/educationalgifs strives to give you educational info in this quick to digest format. From chemical processes, to how plants work, to how machines work, /r/educationalgifs will explain many processes in the quick to see format of gifs. - November 26, 2015 - 17:07
/r/gif_to_gyf: gif -> gyf mirror - After much deliberation, we have decided to join the other subreddits in going dark to protest the lack of communication between the reddit administrators and the volunteers who help keep the subreddits running. We apologize for the inconvenience, and hope to be back to normal as soon as possible. For an explanation, see [this thread](https://www.reddit.com/r/OutOfTheLoop/comments/3bxduw/why_was_riama_along_with_a_number_of_other_large/). a mirror of /r/gifs, converted to webm format - November 26, 2015 - 16:57
/r/gifs: .gifs - funny, animated gifs for your viewing pleasure - Funny, animated GIFs: Your favorite computer file type! Officially pronounced with a hard "J" - November 26, 2015 - 16:56