#16) Iceland doesn't have a PUBLIC rail system.

#18 Grolar bear or Pizzly bear. ACTUALLY.

https://www.wikiwand.com/en/Grizzly%E2%80%93polar_bear_hybrid
grolar bear, polar grizz, polizzle, pizzly bear, grizzlar or nanulak

#4 That's not a cactus -- it's a Euphorbia. No relation to cactus whatsoever in spite of its appearance. The sap is white, toxic, and if you manage to get even a drop of it in your eyes you'll wish you hadn't.

#2 journalistic misinterpretation of a machine learning experiment (https://www.snopes.com/fact-check/facebook-ai-developed-own-language/). From the lead author of the study: There was no panic, and the project hasn’t been shut down. Our goal was to build bots that could communicate with people. In some experiments, we found that they weren’t using English words as people do — so we stopped those experiments, and used some additional techniques to get the bots to work as we wanted.