George Knapp shares recent items of interest, including security threats and UFOs, new revelations on the Roswell crash, and bad news about climate change and ocean currents: Cryptic National Security Threat Sparks UFO Theory What Really Happened During the Roswell Crash? Serengeti Migrations Shaped by Grazers' Diets Big Sur UFO Film Climate Regulating Current Could Collapse Paul McCartney's Bass Returned After 50 Years