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25 Apr 2024, Edition - 3208, Thursday

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Education

9 facts which were written wrong in your textbooks: Did you know bulls do not hate red?

indiatoday.in

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In this age and time when students do not have time to check their facts, they feed their minds with the easiest available piece of information.

Well, the internet is full of false information. In fact, some of our traditional textbooks are also not updated. Are you appearing for any competitive exam like UPSC, CAT, MAT etc.? Are you updated?

In order to bring ease to these students, we have some interesting facts for you to learn. Take a look:

1. BULLS DO NOT HATE RED COLOUR!

In the early 18th century, a Spanish matador used a small red cape or muleta in bullfighting, making bulls go wild.

On the contrary, bulls cannot even see colours, they cannot differentiate between red and blue.

They only respond to the movement. So, it is not the colour but the sound that affects their minds and make them angry.

2. THE GREAT WALL OF CHINA IS NOT VISIBLE FROM SPACE

NASA released a report saying, no single human structure is visible from orbit. A Chinese astronaut, Yang Liwei, confirmed that he could not see any historic structure. The change would soon reflect in the textbooks.

3. EINSTEIN DID NOT FAIL IN MATH

German-born theoretical physicist Albert Einstein never failed in mathematics, rather he could not get through an entrance exam for a school.

Did you even know how many times this great scientist was looked down for false information?

Google recorded 500,000 queries related to the failure of Einstein, who later answered in Ripley’s column, “Greatest living mathematician failed in mathematics”, saying

“I never failed in mathematics”.

4. BATS ARE NOT BLIND

If we go back to our school days, I am sure we can remember that bats were declared blind in our textbooks. Is it true?

Well, the answer is: absolutely not. Bats do use echolocation as they hunt in darkness, but this doesn’t mean they are blind. According to a research, fruit bats are famous for sharp vision and can see ultraviolet light.

5. SUGAR DOES NOT GIVE YOU INSTANT ENERGY

People think that sugar is the ultimate solution if you are feeling low.

”Sugar is not going to give you energy, rather it is carbohydrates which is a good source of energy,’‘ – Nutritionist Nidhi Sawney.

Also, sugar creates a sudden imbalance in your blood flow leading to hormonal problems in the body.

6. WE DO NOT ONLY HAVE FIVE SENSES

Children are taught that human beings have five senses, including seeing, touching, smelling, tasting and hearing.

According to neuroscientists across the globe, there are at least 22 to 33 different senses.

There is a sense of balance known as Equilibrioception, which keeps us upright, and helps us make our way around without getting hurt. There is a sense of moment known as Kinaesthesia, awareness of coldness or hotness of your surroundings is known as Thermoception and the list goes on.

7. HUMANS DO NOT USE JUST 10 PER CENT OF THE BRAIN

The brain is divided into particular regions responsible for several activities. Even if you are holding a simple thing, it will require more than one-tenth of your brains. Thinking is an intensive task for the brain, although there is no physical activity in it, you use a large part of your brain for this.

Even if we consider that we use 10 per cent of the brain cells, it is false information. According to cognitive neuroscientist Sergio Della Sala, it takes 20 per cent of the oxygen we breathe to keep a brain cell alive and no cells it idle. In short, each brain cell is being used and all are working on crucial tasks inside our heads.

8. DOGS DO NOT SWEAT BY SALIVATING

We see that dogs are wagging their tongues but they use this as a means of evaporative cooling.

When a dog feels hot, it will open its mouth and breathe heavily. However, this does not mean that dogs do not sweat.

They use their paws for sweating. In fact, a dog’s paws are usually damp.

9. MILK DOES NOT INCREASE MUCUS

There is a popular misconception that milk should not be consumed if you are suffering from cold, however, there is no proved theory behind this argument. Milk does make our saliva thick and create a coating over our mouth, throat and tongue.

However, this does not mean that it can make us fall sick with symptoms like coughing, postnasal drip, sinus congestion or difficulty breathing.

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