10 Common Misconceptions that are simply not true

This post looks at 10 facts that you grew up with that are untrue. No, bats are not blind and no, Mount Everest is not the tallest mountain in the world. Here are 10 myths some of us believe which are not true. Find out the truth behind the myth:

#1 You can see the Great Wall of China from Space

People have claimed since 1904 that the Great Wall of China is so large and conspicuous that it can be viewed from the moon’s surface. Apollo astronauts were able to verify the accuracy of this claim after 65 years of waiting. It is simply not true.

It’s turned into a space-based legend. The Great Wall of China, which is commonly described as the only man-made object viewable from space, isn’t visible from low Earth orbit, at least not to the unassisted eye. It’s impossible to see it from the Moon.

Despite its length of 4,500 miles (7,200 kilometres), the Great Wall is made of materials that make it impossible to see from space. The ugly truth is that the wall can only be seen from low orbit under certain weather and lighting circumstances. However, there are numerous other outcomes of human action that can be observed, such as household lights and street lighting.

#2 Humans evolved from Apes

Are humans descended from apes? No, orangutans, chimps, baboons, and gorillas co-evolved with humans. Humans are not descended from chimps or any of the other extant giant apes. They’re on a very different evolutionary path than we are.

Instead, we have a common ancestor who lived about 10 million years ago. There was once an animal that was an ancestor to both humans and apes. We have not found the ‘missing link’ just yet.

#3 We only use 10% of our brain

There is no proof that we employ only 10% of our brains or any other particular or limited percentage of our brains. Humans use almost every area of their brain, which may come as a surprise to you.

Furthermore, humans employ virtually all of their brains during the course of a typical day.

Researchers who used magnetic resonance imaging (MRI) equipment to study the brain discovered that there are no dormant areas of the brain. In fact, the majority of your brain is functioning virtually constantly.

#4 Water conducts electricity

You’ve undoubtedly been instructed to keep water and electricity as far apart as possible since you were a youngster because you were told water is a good conductor of electricity. However, the fact is that pure water is one of the best insulators of electricity. Electricity does not conduct through pure water because it lacks salt, and is therefore a poor conductor of electricity.

Rather than water conducting electricity, it is the other dissolved particles in water, such as salt, that conduct electricity. As water is such a good solvent, dissolved particles are virtually always present. These particles are held in water in such a way that they can conduct electricity very well, and it’s preferable to keep water and electricity apart.

#5 Bats are blind

Bats are not blind, contrary to popular belief. In fact, research suggests that, depending on the situation, bats prefer to hunt with their eyes rather than their ears. Bats have small eyes with extremely sensitive eyesight, allowing them to see in what we would consider pitch darkness.

In fact, bats rely on their eyes to find food. As one might expect from a nocturnal mammal, their eyes are densely packed with photoreceptor cells known as rods, which help them see in the dark.

They lack the crisp, colourful vision that humans have, but they don’t require it.

#6 Microwave ovens cook food from the inside out

An electron tube called a magnetron produces microwaves within the oven. Microwaves are reflected back into the oven’s metal interior, where they are absorbed by the food. Microwaves cause water molecules in food to vibrate, generating heat that cooks it.

The interaction with the microwaves actually heats just the very exterior layers of the meal.

Heat conduction from the exterior to the interior is responsible for the rest of the cooking.

It’s rather simple to put the myth to the test for yourself. Particularly if you have a meat thermometer on hand.

#7 Mount Everest is the tallest mountain in the world

Mount Everest is known as the world’s highest mountain because it has the “highest elevation above sea level,” or “highest altitude,” with a peak elevation of 8,848.86 metres (29,031.69 ft) above sea level.

There is no other mountain on the planet with a higher elevation.

However, the tallest mountain on the planet lies half a globe away, in the midst of the Pacific Ocean.

Mauna Kea is located on the Hawaiian island of Oahu. Mauna Kea, a dormant volcano, stands 13,796 feet above sea level, but its entire height is approximately 33,500 feet when measured from the ocean floor to its top.

#8 Alcohol kills brain cells

Even in moderate levels, alcohol does not damage brain cells, but it does have both short- and long-term impacts on your brain. Alcohol has a significant effect on the brain’s intricate structures. It disrupts chemical signals between brain cells (called neurons), causing impulsive behaviour, slurred speech, poor memory, and sluggish reflexes, among other symptoms of intoxication.

Going out for happy hour a couple times a month is unlikely to harm you in the long run. Heavy drinking and binge drinking, however, can harm the brain and nervous system permanently.

#9 Blood Flows Blue Inside of You

Perhaps you’ve heard that blood looks blue in our veins because it lacks oxygen on its way back to the lungs. Human blood, on the other hand, is never blue. Because of the way your skin and veins absorb and reflect different wavelengths of light, the veins visible through your skin seem blue.

Your blood is red, both outside and within your body, and the shade of red varies depending on how much oxygen your red blood cells contain. Veins’ bluish appearance is merely an optical illusion. Red light penetrates deeper into tissue than blue light.

#10 Fish have 3-second memories

Goldfish have a three-second memory span, according to popular belief, and each lap of their fishbowl is like seeing the world for the first time. This is absolutely not the case. Goldfish have demonstrated that they can learn and process information.

Goldfish have also been taught to swim through mazes and drive a ball into a net, both of which are relatively difficult undertakings. This suggests that goldfish are capable of not only recalling information, such as the name of the person who feeds them, but also of more complicated processing and cognition.

What is true is different fish species have varying skills and visual levels. Yes, fish can recognise and build attachments to their owners in the vast majority of cases. The fish will approach their known owner, who will frequently offer a food treat or reward.

✔️ An abridged video version of this post can be found on our YouTube Channel-please click here:

Published by adyalderuk

I am the founder of Inzspire, a YouTube channel, providing informative and fun videos, designed for those who wish to improve, change, adapt or just cope with what the world is throwing at them.

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