What is something that everyone thinks is true, but is actually a myth?

Bats are not blind. They can see almost as good as humans (some breeds, even better than us. especially at night and day)

A penny dropped from the top of the Empire State Building will NOT go through a persons head that is standing on the ground.

God...

George Washington carver invented peanut butter

You can see the Great Wall of China from space !

THE MYTH: From the cold nothingness of outer space, the only visible evidence of mankind is China’s huge wall — which can even be viewed from the moon.

THE TRUTH: Even from the relatively low orbit of the International Space Station — about 173 miles above sea level — the Great Wall is impossible to make out. From the moon? Forget about it. This decades-old myth occurs in old school textbooks but was actually disproven by one of China’s own astronauts, Yang Liwei. You can, however, see the pyramids from space. If you squint a bit.

If we could get everyone to agree on ANYthing it'd be a miracle. Even so, there are lots of things that were widely accepted until they were proved wrong.

We were convinced that the world was flat and stationary, and that the sun, moon and stars pursued each other across our sky each night.

Then science came up with the Round Earth theory which was much closer to the truth, in that it accounted for the apparent motion of the heavenly bodies.

Then in 1817 Baron Karl Drais Von Sauerbronn invented the modern bicycle and almost two hundred years of cycling have allowed us to modify the Round Earth theory for, as any experienced cyclist can tell us, the world isn't flat, it's all up hill. (And every wind is a head wind.)

Santa Claus. Little kids think he exists.

Cats drink milk.

They will drink it , but cats are naturally lactose intolerant and should not be given milk . They do make a milk that you can buy that won't hurt your feline friend .

Coffee is made from beans.

Well, actually, it is not.  Coffee is made from seeds. Who knew? I didn't until about 5 minutes ago!  It's amazing what you can learn on the internet.  Point of reference:  35 False 'Facts' That You Wrongly Believe (And 1 That You Should)  www.whatculture.com/offbeat/

That the popular vote for president matters.

That George Washington chopped down a cherry tree.

Well 13 is a bad luck number, but to most it isn't.

Myth: You grow taller when you jump more. Truth: It does not depend on that. It depends on the gene you inherited from your parents and a little bit on the environment you live in, whether you have enough food or not. 

Myth: The humps of camels stores water. Truth: It stores fats. 

Myths: Lamps in parallel circuits shine less brightly than in series circuit. Truth: Lamps shine brighter than series circuit as each lamp receives the same voltage. 

Myth: Europe is at the north of the Earth. Truth: Europe is at the South of the Earth as the map we always see, even those that NASA have taken, is intentionally flipped so it suits what humans have always thought for a long time. The idea came about when people from the West thought that they are better and should be on top of the Earth, North, but they are wrong, but since this idea has existed for so long, we just keep to it. (I think so, I watched a video and it said that) 

I find this one interesting.

Myth: According to the Christian religion, Satan rules hell.

Reality: In Revelation 20:10, it says that Satan will be "thrown into the lake of fire..." and "...be tormented day and night forever and ever".

Myth: To avoid dehydration, drink water.

Reality: Actually, drinking water is the worst thing you can do, besides dehydrating yourself even more. When you sweat, you not only lose water, but also plenty of nutrients. Drink some milk, or eat a fruit.

Bulls are not enraged by the color red. They are actually color blind

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finding a penny on tails is bad luck. But it doesn't bother my mom.

I think it is an angle that every kid are thinking that at night angle will come and sing a song for kids. But it is not true at all.