Next time you are looking for a fun fact to wow your party guests, look no further. These crazy facts sound totally fake, but believe it or not, they are 100% true. Initially reported by In The Know, here are 12 strange statements that will blow your mind:

1. Only 7% of all humans who have ever lived are currently alive today. Feel insignificant?

2. The Guinness Book of World Records was actually created just for settling bar arguments.

3. Humans don't fully grow their kneecap bones until about three years old.

4. If you drop silly putty from the top of a high building, it will shatter.

5. France had their last execution by the guillotine in the same year that 'Star Wars' was released.

6. A single 18-inch pizza actually has more food than two 12-inch ones.

7. There are more trees on Earth than stars in the entire galaxy.

8. Oxford University is older than the Aztec Empire.

9. When in a room with at least 23 people, there is an over 50% chance that two people will share the same birthday.

10. Betty White is older than sliced bread.

11. Cleopatra lived closer to the time that Pizza Hut was founded than to the time the Egyptian pyramids were initially built.

12. A single day on the planet Venus (sunrise to sunset) equals 243 days for us. This is longer than a whole year on Venus (224.7 days).