1) The human brain has a storage capacity equivalent to around 2.5 petabytes, which is roughly equivalent to three million hours of TV shows.

2) The coldest known temperature in the universe was achieved in a laboratory in 2019, reaching a fraction of a degree above absolute zero (-273.15 degrees Celsius).

3) Many mountains have cultural and spiritual significance for local communities and are often considered sacred or revered in religious traditions.

4) The longest-running TV show in history is "The Simpsons," which has been on the air since 1989 and has over 700 episodes.