Here are 50 good ones to start you off…

1. If you are struck by lightning, your skin
will be heated to 28,000 degrees
Centigrade, hotter than the surface of the
Sun.

2. If you trace your family tree back 25
generations, you will have 33,554,432
direct ancestors – assuming no incest was
involved.

3. The average distance between the stars
in the sky is 20 million miles.

4. It would take a modern spaceship
70,000 years to get to the nearest star to
earth.

5. An asteroid wiped out every single
dinosaur in the world, but not a single
species of toad or salamander was
affected. No one knows why, nor why the
crocodiles and tortoises survived.

6. If you dug a well to the centre of the
Earth, and dropped a brick in it, it would
take 45 minutes to get to the bottom –
4,000 miles down.

7. Your body sheds 10 billion flakes of
skin every day.

8. The Earth weighs 6,500 million million
million tons.

9. Honey is the only food consumed by
humans that doesn’t go off.

10. The Hawaiian alphabet has only 12
letters.

11. A donkey can sink into quicksand but
a mule can’t.

12. Every time you sneeze your heart
stops a second.

13. There are 22 miles more canals in
Birmingham UK than in Venice.

14. Potato crisps were invented by a Mr
Crumm.

15. Facetious and abstemious contain all
the vowels in their correct order.

16. Eskimoes have hundreds of words for
snow but none for hello.

17. The word “set” has the most
definitions in the English language.

18. The only 15 letter word that can be
spelled without repeating its letters is
uncopyrightable.

19. Windmills always turn counter-
clockwise.

20. The “Sixth Sick Sheik’s Sixth Sheep’s
Sick” is the hardest tongue-twister.

21. The longest English word without a
vowel is twyndyllyngs which means
"twins".

22. 1 x 8 + 1 = 9; 12 x 8 + 2 = 98; 123 x
8 + 3 = 987; 1234 x 8 + 4 = 9876; 12345
x 8 + 5 = 98765; 123456 x 8 + 6 =
987654; 1234567 x 8 + 7 = 9876543;
12345678 x 8 + 8 = 98765432; 123456789
x 8 + 9 = 987654321

23. The word "dreamt" is the only
common word in the English language that
ends in "mt".

24. Albert Einstein never wore any socks.

25. The average human will eat 8 spiders
while asleep in their lifetime.

Other 25 here==> https://247gistreal..co.ke/2018/04/unbelievable-but-true-facts.html?m=1