21 ridiculous facts you never knew but which are true

In fact, there are many things around us that we either didn’t know or didn’t see them for what they are.

Here’s a list of 21 things that may seem logical or uninteresting, but they’re all things you need to know in order to polish your knowledge.

1. The lighter was invented before matches.

2. The colors of a goldfish will fade if you put its aquarium in a dark room.

3. Women have twice as many pain receptors as men – but their pain threshold is much higher.

4. Flowers grow faster if you play music to them.

5. A duckling will automatically take the first person he sees most during the first 10 minutes of his life as his mother.

6. According to some scientists, people with higher IQs dream more at night.

7. Pirates used to wear an eye patch during the day to improve their night vision.

8. You are more likely to be killed by a coconut falling from a tree than by a shark attack.

9. You burn more calories when you frown than when you smile.

10. If cars could fly, it would take you an hour to get to space.

11. The can opener was invented 48 years after cans.

12. Whales that sing different notes than others get lost and live alone.

13. An ostrich’s eyes are bigger than their brains.

14. Until 1950, smoking was considered to be totally healthy.

15. The King of Hearts is the only king without a mustache in a classic deck of cards.

16. In 1932, the Australian army declared war on emus… and the birds won.

17. Nintendo was created during the Ottoman Empire.

18. A glass ball can bounce higher than a rubber one.

19. Two-thirds of the world's population have never seen snow.

20. Spiked collars were invented during Ancient Egypt to protect dogs’ necks from wolf bites.

21. Slaves didn’t build the pyramids.

Several modern discoveries show that they were actually paid workers who were fed quite well.