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The Earth is a splendid, vast and quixotic mystery. We as the Earth's humble inhabitants know next to nothing about her in the grand scheme of it all. Even those who study this planet as their source of career will tell you they only will ever chip away at the surface of what's happening. Somethings we may find fascinating to know, others... we could probably do without being aware of.

Redditor u/Sickzaur reached out to uncover some Earthly facts, asking... Geologists, geographers, and other Earth enthusiasts, what are some weird things about Earth that most people don't know?


Take me to the Sahara... 

Scientist didn't know how the Amazon forest got enough phosphor to stay fertile. It turns out it gets it from the Sahara desert. The phosphor travels the Atlantic ocean and a great part of the South American continent to keep the forest alive.

lthomazini

Roots run deep... 

You know how icebergs are mostly under the water?

Mountains work the same way. They have roots that go deep into the mantle. Scientists noticed this when they were measuring the gravity and it wasn't what they predicted.

Commonsbisa

Follow the map! 

On a map, most people think the Netherlands and France don't border.

But they do, in the Caribbean.

StrawoftheMonkey

San Andreas so easy...

The San Andreas Fault can't produce tsunamis despite what movies with the Rock may tell you.

The SA Fault is a transform fault which can only move laterally and is not capable of vertical displacement like a subduction zone fault would be able to. Subduction zones make up much of the Pacific Ring of Fire. The San Andreas Fault is not capable of producing an earthquake more powerful than an 8.0 on the Moment Magnitude scale. So an earthquake such as the Tohuku or Indian Ocean (9.0+) is not possible according to earthquake scientists.

AngriestManinWestTX

Not a girl's best friend. 

Diamonds aren't forever, if you want a gem that will truly last forever look into zircons. Zircons are the honeybadgers of the gem world, they simply don't give a crap. They're hardy little gems, that can undergo multiple orogenic cycles and still maintain their original crystal lattice structures. Very helpful in dating very very old rocks.

Source: am geophysicist.

djk94

I prefer the Atlantic... 

The Pacific ocean is so huge it contains pairs of antipodes (points that are directly opposite each other).

spartanburt

Kiss the rain down in Africa... 

It's probably more common to know this now, but Africa is waaaaaaaaaay bigger than it looks on most maps. The Mercator projection map is the one that most people are familiar with, and it vastly under represents the size of some areas of the world, while making others look a lot bigger. Russia is much smaller than it looks on a map, and Africa is monstrously big when you really look at it.

This picture shows a bunch of different countries in relation to Africa's true size.

PopeliusJones

View from the top... 

A "tel" (like in Tel Aviv). is a hill that's not just a hill. It's a hill made from human garbage, built up over millennia. So there was once a village, and as it grew, houses were built on the rubble of old houses. Garbage pits (for ceramic and stuff) were filled in and built upon. This happened so many times over centuries, that hills developed. It's sort of amazing to think of a big hill, with a city on it, and if you dug straight down from the top of that hill, you'd hit layer upon layer of former civilizations.

Mapper9

The Humans... 

Here's an interesting way to think about the Earth's history: look at the geologic time scale and stretch your arms out to your sides away form each other. Your left fingers represent the formation of the Earth. The entire "Precambrian" (or Proterozoic & Archean Eons) represent everything in between your left finger tips to your right wrist. That's 89% of the entire history of the Earth, a time when life didn't exist or was rather primitive. Then, life diversified like crazy starting from your right wrist to the base of your fingers (aka the Paleozoic Era). Then, the Mesozoic Era, or the age of dinosaurs, was across the first two segments of your fingers. Then, the Cenozoic Era, or the age of mammals (aka today), is the last third segment of your finger. Humanity is the very tip of your right fingernail and can be erased by one swipe of a nail file.

BrakeTime

No gold for you! 

Mining geologist here. That many gold mines have no visible gold.

Verystormy

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Image by Mary Pahlke from Pixabay

There are few things more satisfying than a crisp $20 bill. Well, maybe a crisp $100 bill.

But twenty big ones can get you pretty far nonetheless.

Whether it's tucked firmly in a birthday card, passing from hand to hand after a knee-jerk sports bet, or going toward a useful tool, the old twenty dollar bill has been used for countless purposes.


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Image by Jan Vašek from Pixabay

I realize that school safety has been severely compromised and has been under dire scrutiny over the past decade and of course, it should be. And when I was a student, my safety was one of my greatest priorities but, some implemented rules under the guise of "safety" were and are... just plain ludicrous. Like who thinks up some of these ideas?

Redditor u/Animeking1108 wanted to discuss how the education system has ideas that sometimes are just more a pain in the butt than a daily enhancement... What was the dumbest rule your school enforced?
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Image by Angelo Esslinger from Pixabay

One of the golden rules of life? Doctors are merely human. They don't know everything and they make mistakes. That is why you always want to get another opinion. Things are constantly missed. That doesn't mean docs don't know what they're doing, they just aren't infallible. So make sure to ask questions, lots of them.

Redditor u/Gorgon_the_Dragon wanted to hear from doctors about why it is imperative we always get second and maybe third opinions by asking... Doctors of Reddit, what was the worse thing you've seen for a patient that another Doctor overlooked?
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Image by nonbirinonko from Pixabay

When we think about learning history, our first thought is usually sitting in our high school history class (or AP World History class if you're a nerd like me) being bored out of our minds. Unless again, you're a huge freaking nerd like me. But I think we all have the memory of the moment where we realized learning about history was kinda cool. And they usually start from one weird fact.

Here are a few examples of turning points in learning about history, straight from the keyboards of the people at AskReddit.

U/Tynoa2 asked: What's your favourite historical fact?


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