Sometimes, it’s hard to judge what should be considered “common knowledge.” Just when you start to assume that everyone knows that whales are not fish, for example, you meet an actual, human adult that is shocked to find out that they are, in fact, mammals.
Then, of course, there are the times when you’re the one who doesn’t know something. Obviously, that’s pretty embarrassing! The next 19 facts could fit into either category: you’ll either be shocked that it’s not common knowledge, or kicking yourself for not knowing it in the first place!
With or without oxygen, the blood in your body is red. It looks blue to us when we look at the veins in our arms because of the way that light reflects off our skin.
The Earth is roughly 4.5 billion years old.
Pogrebnov Alexandroff/Wikimedia commons
Most goldfish bowls are far too small for goldfish. They’re naturally very large.
This is a lifesaver, considering how many windows and tabs we all accidentally close on a daily basis!
What is an “intensive purpose?” You might as well say “for all intensive porpoises.” It’s just as meaningless.
The entire country is the Netherlands, but North Holland and South Holland are two separate regions of the nation. It’s like calling the U.S. “Carolina” or “Dakota.”
Technically, the police are under no obligation to tell you the truth. For example, if they say they have no intention of arresting you and only need a statement for their files, you can still be arrested if you say anything incriminating. Remember, you have the right to remain silent!
If an object is visibly sticking out of your body, just go straight to the hospital and let a doctor take care of it. The part that is embedded in your body might actually be keeping you alive by preventing you from bleeding out.
The NAACP did not want to use Colvin as the spokesperson for their civil rights campaign because she was 15 years old at the time and pregnant (by a married man). Rosa Parks was the secretary of the organization, so she was instructed to do the same thing. Talk about an unsung hero!
A baby horse is actually called a foal, while a pony is a horse of a particularly small breed.
In other words, the first amendment prevents the government from punishing you for what you say, but you still shouldn’t be a jerk.
When people are really drowning, instead of trying to call for help, their first priority should be trying to stay afloat.
Deodorant merely masks the odor, whereas antiperspirant actively helps prevent sweating.
Give them scraps of vegetables or birdseed instead. Bread doesn’t help them grow.
This is a real pet peeve of every editor. “Should of” and “could of” make no sense!
Taking antibiotics contributes to antibiotic resistance, which could be a huge problem for the future of medicine.
This should save you a lot of embarrassment the next time you rent a car!
Hopefully these facts teach you something new. And if they didn’t, you can feel good with the knowledge that you already knew something that few others did. You smarty pants, you!
Share this not-so-common knowledge with your friends below!