Unbelievable Facts That Will Blow Your Mind
1. Giraffes sleep less than 5 minutes per day.
2. Bananas are slightly radioactive.
3. A group of porcupines is called a prickle.
4. Cats have fewer toes on their back paws than their front paws.
5. The first product to have a barcode was Wrigley's gum.
6. The Eiffel Tower can be 15 cm taller during the summer, as the iron heats up, expands and raises the structure.
7. Apples are more effective at waking you up in the morning than coffee.
8. The king of hearts is the only king without a mustache on a standard playing card.
9. Fingernails grow nearly 4 times faster than toenails.
10. It's impossible to sneeze with your eyes open.
11. Ketchup was sold in the 1830s as a medicine.
12. A "jiffy" is an actual unit of time, equal to one-tenth of a second.
13. Honey is the only food that doesn't spoil.
14. The first person convicted of speeding was going 8 mph.
15. Starfish don't have brains.