25 Science “Facts” That Were Proven Wrong

Posted by , Updated on May 22, 2016


We’re taught loads of scientific facts formally or informally from an early age. And they’re all said to be true and reinforced by our common sharing of them. As time progresses, scientists use new methods to find some of those facts (or, in some cases, rumors that are so pervasive they enter the common psyche as perceived true facts) wrong. In this list, we break down some so-called “facts” we believed to be true and show what the science really says.

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Humans only use 10% of our brains

5 - Brain

People only use 10% of their brains right? Wrong! Though only a small amount of neurons are firing at any one moment, the rest are still playing a role somewhere.


An earthworm cut in half will grow into two worms

4 - Earthworm

Earthworms don’t grow into two worms when cut in half. Only the front part (with the mouth) will continue feeding and live on.


We have five senses

3 - Five Senses

Not to say we’re all instant superheroes, but scientists today have determined that we have up to 20 senses, including thermoception (temperature) and equilibrioception (balance).


Metal in the microwave will burn the circuits

2 - Microwave

Putting metal in a microwave won’t fry its electronics. It’s still dangerous, as metal objects can become hot enough to cause damage to your skin or the microwave, but it won’t send it to the graveyard.


You can see the Great Wall of China from the moon

1 - Great Wall of China

The Great Wall of China can’t be seen from the moon. Even from a low Earth orbit like where the International Space Station lies it’s barely visible and even then you would need phenomenal eyesight and perfectly clear weather conditions.

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