BuzzFeed’s many lists of facts can be difficult to navigate. Some facts are mind-blowing, and some are astonishing. Some are completely useless; some sound like a huge lie. But which are which? We’ve run the data, and found some facts that will blow your mind... and teach you a damn thing.

1. Goats have rectangular pupils.

According to BuzzFeed, this fact is Amazing and Insane.

2. Adults have fewer bones than a baby.

This fact is Astonishing and Mind-Blowing.

3. An octopus has three hearts.

This fact Sounds Like A Huge Lie and Will Blow Your Mind.

4. You can’t hum while holding your nose.

This fact Sounds Like a Huge Lie and Will Blow Your Mind.

5. When you shave a guinea pig it looks like a little hippo.

This fact is Mind-Blowing and Cute.

6. Chocolate milk was invented in Ireland.

This fact Will Blow Your Mind and Will Teach You Damn Thing For Once In Your Life.

7. A cat version of the corgi exists: the munchkin cat.

This fact is:

8. Butterflies taste with their feet.

This fact is:

9. Maine is the closest state to Africa.

This fact is:

10. Otters hold hands when they are asleep so that they don’t float away from each other.

This fact is:

11. The YKK on your zipper stands for “Yoshida Kogyo Kabushikigaisha.”

This fact:

12. In Welsh folklore, corgis were the preferred method of transportation for fairies.

This fact is:

13. There are more fake flamingos in the world than real flamingos.

This fact is:

14. Cleopatra lived closer to the invention of the iPhone (or the Moon landing) than the building of the Great Pyramid

This fact is:

15. Norway once knighted a penguin.

This fact is:

16. Cows have best friends.

This fact is:

And will:

To illustrate the amount of overlap, Gawker’s Art Director Jim Cooke assembled the following chart:

Previously: 9 BuzzFeed Posts About Things You Missed In Clueless

Image and infographic by Jim Cooke