6 amazing facts you won’t learn in school

5/4/2021

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Geography Story: 6 amazing facts you won’t learn in school

There are so many interesting things that we don’t get to find out in school. Today we bring six incredible facts that will enrich your knowledge!

#1 In Iceland, if horses are taken overseas, they can't return back

This is because Iceland has few diseases and bringing in potentially contaminated livestock can be dangerous to existing populations. So basically Icelandic horses almost never leave the country.

#2 Have you ever seen your dog going around in circles? This strange behavior is actually evolved as a means of protection

Back in the day when all dogs were wolves they had to position themselves to be able to face or escape danger at a moment’s notice.

#3 Toothache is the only sensation your teeth can feel

The only thing that those particular nerves respond to is pain.

#4 Serotonin is essential for happiness ONLY when it’s in the brain

Outside the brain, this chemical is far less pleasant. Injecting serotonin in the skin is very painful and it’s actually a primary ingredient in wasp venom.

#5 Despite their name, grasshoppers actually predate grass

They evolved about 250 million years ago while grass only has a measly 55 million under its belt.

#6 People who have a strong and distinct mental monologue usually have strong visuals that accompany it

Some people don't have an internal monologue at all.

Did any of these facts surprise you? If you want to share any other cool facts with our community, feel free to do that in the comment section!

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What are your thoughts on this subject?

14 Comments

Gunilla Hogfors Gelius

As a dentist I must say that a tooth can also feel cold , hot and pressure.

james parrillo

I do not believe the part about grasshoppers predating grass. Does this quiz setter believe there were trees and shrubs without grass. What did the grasshoppers eat? The differing effects of serotnin are interesting, as well as the dog circling only to be prepared for anything. Thank you, Christine, James's wife