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50 Everyday Facts That People Realized Not Everyone Knows

50 Everyday Facts That People Realized Not Everyone Knows

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Throughout our human existence, we have collectively accumulated concepts and information that an average person is typically supposed to be aware of, better known as general or common knowledge. Like, for example, the fact that the Earth revolves around the sun or that a week has seven days. However, due to our different backgrounds, upbringings, educations, professions, and many other factors, what we think encompasses common knowledge can hugely vary.
Many people assumed the facts you’ll find below were common knowledge but were surprised to learn otherwise. Scroll down to see them for yourself, and be sure to upvote those that caught you off guard.

#1

50 Everyday Facts That People Realized Not Everyone Knows
Vaccines are safe and effective.
103points

#2

50 Everyday Facts That People Realized Not Everyone Knows
The on-ramp is for accelerating to highway speeds *before* you reach the highway.
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92points

#3

50 Everyday Facts That People Realized Not Everyone Knows
Vaccinations do not cause autism and never did.
89points

In an academic environment, common knowledge refers to “information generally known to an educated reader, such as widely known facts and dates, and, more rarely, ideas or language,” according to Harvard University. 

This information shouldn’t need a citation backing it up for the average educated reader to understand it. “Widely known scientific and historical facts—such as the molecular structure of water (H2O), or that Andrew Jackson was the seventh president of the United States—generally count as common knowledge. You can include such facts in your writing without citation and without fear of committing plagiarism,” the educational institution further instructs.

#4

*Should have* / *would have* / *could have* = the contractions *should’ve* / *would’ve* / *could’ve*

It’s not *should of* / *would of* / *could of* - those word combos make no grammatical sense.
86points

#5

50 Everyday Facts That People Realized Not Everyone Knows
Not everyone's disability is visible. Just because someone parks in a handicap spot then gets out and walks in without you being able to tell why they're handicapped doesn't mean they don't deserve that placard.
86points

#6

The difference between an opinion and a fact.
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77points

Knowing whether something is common knowledge can be tricky. Therefore, Scribbr, a company that provides a range of academic services, suggests asking yourself a few questions before assuming something is common knowledge. Like, for example, ‘Who is my audience, and what can I assume they know?’ In case your audience has knowledge in the same field as you, you probably can get away with assuming they know more than an average person.

#7

50 Everyday Facts That People Realized Not Everyone Knows
Basic Geography.


Not being able to point out Turkmenistan on a map is one thing.


Not being able to point out the Pacific Ocean on a map is another.
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70points

#8

50 Everyday Facts That People Realized Not Everyone Knows
Africa is NOT a country, its a continent.
68points

#9

That the IRS will never request payment via iTunes gift cards.
62points

If you think your addressee might be surprised by the information you present or question its accuracy, then it probably isn’t common knowledge. Another indicator of information not being known to everyone is if it can’t be easily verified with a quick Google search. No piece of common knowledge has to be dug out of the depths of the internet or other databases.

#10

That using your blinker while driving a motor vehicle is helpful to indicate to other drivers where your dumb a*s may be going.
62points

#11

50 Everyday Facts That People Realized Not Everyone Knows
That you shouldn’t be rude to customer service or the cashier cuz it’s not their fault that the item is expensive.
61points

#12

50 Everyday Facts That People Realized Not Everyone Knows
How to use a d**n roundabout, apparently.
57points

Knowing when a piece of information is common knowledge or not isn’t only useful in academic environments but also in everyday life. It can help you better communicate with others if you aren’t assuming they know everything you know. It’s easy to fall into this assumption trap, as we can possess a cognitive bias called ‘knowledge curse’ that makes it difficult for us to imagine others not knowing something we know and have learned.

#13

50 Everyday Facts That People Realized Not Everyone Knows
That antibiotics k**l bacteria, but won't do anything against viruses. Everyone has the idea that if you get a cold, you see your doctor and get antibiotics. Take some acitaminophen/paracetamol and ibuprofen, and stay away from other humans for a while!
56points

#14

Correlation does not equal causation.
50points

#15

50 Everyday Facts That People Realized Not Everyone Knows
That there are no tigers in Africa. I was on safari in Tanzania and two others in the truck were discussing how excited they would be to see tigers. I told them there weren't any and they looked all disbelieving and crestfallen, like I was spoiling their fun. They had to check with the guide.
49points

Ironically, the curse of knowledge makes it difficult for people to share their knowledge because they fail to empathize with their level of knowledge. It significantly affects how information is communicated, which can be an issue for educators and experts in particular. They might struggle to convey complex concepts to their audience because they struggle to imagine what it’s like for others not to have the depth of knowledge they do.

#16

50 Everyday Facts That People Realized Not Everyone Knows
Just because eggs are sold in the dairy section doesn’t make them a dairy product.

I’ve heard people say they don’t eat eggs because they don’t eat dairy.
48points

#17

That whales are mammals that used to be on land but evolved to swim instead.


I had an art teacher that just didn't believe me when I told her that they're not fish.
48points

#18

50 Everyday Facts That People Realized Not Everyone Knows
Gambling at a casino will most likely result in losing money.
47points

Fortunately, the curse of knowledge can be overcome. The first step toward it is to embrace empathy. Practicing perspective-taking and putting ourselves in others’ shoes can help us gauge how to communicate and explain information to others better. Next is simplifying and clarifying the way we communicate with others. Complex ideas should be broken down into smaller, more manageable chunks and illustrated with examples.

#19

50 Everyday Facts That People Realized Not Everyone Knows
That narwhals exist/are real. People have thought that I was trolling them by talking about a mythical unicorn-whale.
47points

#20

50 Everyday Facts That People Realized Not Everyone Knows
If your wipers are on, your headlights should be on.
47points
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