TIL that the "All persons fictitious" disclaimer that appears in the end credits of films and TV shows is a result of a libel case brought against MGM that had produced a film suggesting that a Russian princess had been seduced by Rasputin
TIL: Plastic will become a geological layer of Earth. They are contributing to a new era of history, called the Anthropocene
TIL Our Sun has "Sunquakes" generating waves reaching 2 miles high and reaching speeds up to 250,000 mph.