1.The first man to urinate on the moon was Buzz Aldrin, shortly after stepping onto the lunar surface.
2.The oldest condoms ever found date back to the 1640s and were made from animal and fish intestines.
3.Luna Moths have no mouth. Once they emerge from the cocoon, they have a 7-day lifespan during which they mate and then starve to death.
4. Everyone has a unique tongue print, just like fingerprints.
5. Female kangaroos have 3 vaginas.
6 . Light doesn't always travel at a constant speed. The lowest speed ever recorded is 38 Mph.
7. In 2008 scientist discovered a new bacteria that live in hairspray.
8.The Romans used to clean and whiten their teeth with urine. Apparently, it works.
9.There is a single mega-colony of ants that spans three continents, covering much of Europe, the west coast of the US, and the west coast of Japan.
10.Every year over one million earthquakes shake the earth.
11. The largest ever hailstone fell in Bangladesh weigh over 1kg in 1986.
12.Every second around 100 lightning bolts strike the earth.
13.Female black widow spider eats their males after mating.
14.DNA was first discovered by Swiss Friedrich Miescheler.
15.The earliest winemakers lived in Egypt around 2300BC.
16.More germs are transferred shaking hands than kissing.
17.The fastest speed of falling raindrop can hit you by 18mph.
18. Inbreeding causes 3 out of every 10 dalmatian dogs to suffer from hearing disability.
19. It will take an hour for a heavy object to sink 6.7 miles down to the deepest part of the ocean.
20.Each rubber molecule is made of 65000 individual atoms.
21.Around a million, billion neutrinos from the sun passed through the body when you read this sentence.
22. And now they passed through the moon.
23. There are more living organism on the skin of each human skin than there are humans on the surface of planet earth.
24. Even travelling at the speed of light it will take 2 million years to reach the nearest large galaxy which is Andromeda.
25.The African elephant gestates for 22 months.
Happy reading.
Source of the 1st fact:
Buzz Aldrin Was the First Man to Pee on the Moon—42 Years Ago Today
There are several other sources too available on the internet.