wikipedia.org

WkAR9 TIL there are planets considered more habitable than Earth, based on potential for biodiversity. Scientists have identified 24 such planets so far.
4XxrN TIL of Herostratus, an Ancient Greek arsonist who burned down the Temple of Artemis in the hope that he would be remembered forever. His city not only executed him, but forbade his name ever being spoken again in the hopes of preventing this, obviously unsuccessfully
wLvlo TIL when Buzz Aldrin, second man on the moon, guest starred in The Simpsons, writers were concerned he would be offended by his line, "second comes after first," and offered an alternative- "first to take a soil sample." However, Aldrin preferred the original line, and it remained in the script.