What are some interesting and surprising facts about animals and the universe?

 

1. The inside of the vagina and the inside of a cheek are made of the same tissue.
2. There are more hydrogen atoms in a teaspoon of water than teaspoons of water in the sea.
3. A blue whale's fart bubble is large enough to hold a horse.
4. From the time it was discovered until it was declassified as a planet, Pluto did not make a complete orbit around the sun.
5. 90% of the Earth's population lives in the northern hemisphere.
6. The second part of time is called the second division of an hour. (Why aren't the minutes the "first"?)
7. The word bed actually looks like a bed.
8. Humans only use one nostril at a time. Each nostril takes a turn being dormant (about 5 minutes), as the other nostril does all the work.
9. All the planets could fit between the Earth and the Moon.
10. Hippos have pink urine.
11. Mammoths were still roaming the earth when the pyramids were being built.
12. The world's largest living organism is a huge fungus that lives underground somewhere in North America.
13. Male giraffes will repeatedly target the females' bladders until they urinate. They will then taste the urine to determine if the female is ovulating. If she is, it's time to mate.
14. 111,111,111 x 111,111,111 to 12,345,678,987,654,321.
15. It would take 1,200,000 mosquitoes, each sucking once, to completely drain the average human of blood.
16. Abalones have 5 idiots.
17. If you eat a polar bear liver, you will die. Humans cannot handle that much vitamin A.
18. Cats have barbed penises because female cats mate with several male cats in a short period. The barbs are meant to scrape off any sperm from other male cats that previously mated with the female.
19. Duck vaginas have developed "dead" features to protect them from being raped by other ducks.
20. There are more trees on Earth than stars in the Milky Way.