1. In 2014, the Centers for Disease Control and Prevention found a smallpox sample they'd lost without even realising it.
2. Only one in every 1,000 sea turtles born make it to adulthood.
3. When your skin burns and turns red due to sun exposure, it’s because your skin cells are killing themselves to avoid becoming cancerous.
4. There is a rare and fatal condition in which the brain progressively destroys one’s ability to sleep.
5. The tarantula hawk wasp will hunt, paralyse, and entrap a tarantula to use as a live food for its larvae.
6. There are at least eight nuclear weapons known to be missing across the world.
7. Around 1.5 million people die from Tuberculosis every year – a disease that's treatable by antibiotics in almost all cases.
8. Bananas are a little bit radioactive.
9. The youngest person to ever give birth was Lina Medina, a Peruvian girl who gave birth to a child in 1939 at age five.
10. Cockroaches are often ground in with large batches of coffee.
11. There are brain-eating amoebas in freshwater ponds and lakes all over the world.
12. Female ducks are so often forced into mating by male ducks that they have multiple vaginal defenses to confuse attackers and avoid unwanted pregnancies.
13. The male honeybee exists only to mate with the queen bee, after which he is "castrated" and dies.
14. There is a sunken ship in the Thames estuary filled with wartime explosives called the SS Richard Montgomery which, if disturbed, would detonate and send a tsunami up the river Thames in London.
15. Scientists once observed a deep sea octopus guard its eggs for five whole years without leaving the "nest" or even eating.
16. There are only three states in America that have officially outlawed child marriage.
17. Every unborn baby grows a moustache in the womb, which then spreads to cover its entire body.
18. There is a planet where it potentially rains molten glass horizontally at around 4500 mph.
19. Anyone can have a sudden brain aneurysm, at any age, no matter your health situation.
20. Scuba Divers are known to experience a sudden change in pressure when swimming near open pipes, drains, or valves and can get sucked inside, no matter the size of the hole.
21. A single female tiger living in India at the turn of the twentieth century managed to kill 436 people.
22. Since the year 1950, it's estimated that around 2,500 to 3,000 languages have either died out or become endangered, with fewer speakers every passing day.
23. Fossilisation is actually quite rare. It takes a very specific set of circumstances for an organism to even become a fossil, let alone for a fossil to survive into the modern era.
24. Judith Barsi, a promising young actor who starred in The Land Before Time and All Dogs Go to Heaven, was tragically murdered along with her mother by her father at age ten.
25. Loads of people have their ashes scattered at Disneyland.
26. And lastly, as if things weren't bleak enough, according to quantum mechanics there's a small chance the entire universe could suddenly disappear in the next five seconds.
H/T to Ask Reddit – much love and thanks for truly creeping me out.
Note: some entries have been edited for length and clarity.