There are many things that appear strange to us but have a perfectly understandable explanation. Here are ten facts and the reason behind it.

1. Hippo Milk is pink

  Hipposudoric acid is a red pigment found in the skin secretions of the hippopotamus causing their milk to come out pink. Due to its color, it was often thought of as blood.

2. Turtles can breath through their rear

Only some turtles have adapted to the ability of breathing through their rear. They may not inhale through their rear, but they are able to exhale while submerged.

3. Lobsters have blue blood

The copper in their blood gives their blood a bluish tint. It is much like how iron in our blood causes our blood to be red.

4. You can’t hum while holding your nose

The vocal cords can't be activated unless there is air passing through them, much like a reed. If you are humming, your air is being exhaled through your nose. If you plug your nose, the air stops, and so does the vibration of the vocal cords.

5. The dot over the letter 'i' is called a tittle.

No explanation

6. The bible is the most shoplifted book in the world

Due to it being the most translated book in the world, it can be seen in stores everywhere, causing it to be the most sold book and the most shoplifted.

7. Tipping at a restaurant in Iceland is considered an insult

The price of food in Iceland already includes service, by giving more money they take it as an insult because it looks like you thought they were wrong.

8. The cigarette lighter was invented before the match

The match was created in 1827 when a chemist found that certain chemicals on the end of a stick would burn with friction, but was not sold as a product until 1910. The lighter was produced in 1887.

9. The Oscars given out during World War II were made of plaster.

During this time period, medal was scares and other elements were either expensive or taken. So they choose plaster.

10. Most people who read the word 'yawning' will yawn

No explanation.