13 extremely popular questions about the world that everyone is confident they know everything about, but are actually completely wrong.

We've learned a lot of "useful information," like how to fly a spacecraft through the asteroid belt. But the big screen often fools us, so over the years many of the myths we still believe have been created. So let's debunk a few of them in everyday practice, shall we?

Questions that everyone thinks are simple but are actually extremely difficult

Nowadays, the Internet has become one of the most popular and important tools in our lives. It is undeniable that it helps us access useful information and knowledge much easier and faster than before.

However, its rapid spread also makes some "misleading" knowledge unintentionally become popular even though these absurd "truths" sound extremely reasonable. To help people debunk common misconceptions on the internet, let's answer the questions below and see what the real answers are!

1. Who invented the light bulb?

When most people hear this question, the answer that immediately comes to mind is scientist Thomas Edison. However, in reality, Edison was just the person who figured out how to make the light bulb glow for a long time.

2. How many senses do humans have?

Usually, people always talk about the 5 senses of humans including sight, hearing, smell, taste, touch. However, these are only the main senses. In addition to these senses, humans are said to have at least 21 other senses , for example: balance, hot - cold sensation, hunger - thirst.

3. Is an alarm clock the best way to wake up?

Many people think that waking up early or waking up as soon as the alarm clock rings is a good habit. However, waking up suddenly because of a loud alarm clock is actually not good for your health at all.

4. Are we using our brain's full potential?

This is probably a common misconception and has been seen in many Hollywood movies, making more people believe it. In fact, we use almost 100% of our brains at all times, even when we sleep. During certain activities, some parts of the brain are more active, but other parts of the brain continue to work and do not "turn off".

5. Why do bears have to hibernate?

When winter comes, bears will look for a safe place to hibernate for about 6 months. However, the reason why bears have to hibernate is not because the weather is too cold, but because the food source in winter is greatly reduced, making it difficult for them to find food. So, this is a way for them to save energy and survive.

6. Do carrots help improve eyesight?

Every time you eat carrots, many people probably think that it will help improve their eyesight thanks to the abundant vitamin content in this root vegetable. But in fact, this is a common mistake in popular culture. However, carrots are still a healthy food that helps people strengthen muscles and prevent degeneration.

7. What produces the most oxygen?

If your answer is green trees, then you are wrong! In fact, the amount of oxygen produced by green trees is only about 30%. The remaining 50-70% of oxygen is produced by the ocean , specifically ocean plankton (microorganisms, plants, algae and bacteria, especially diatoms). That is also the reason why many phytoplankton and coral reefs are in danger because of global warming.

8. Can the police trace by phone?

In crime movies, the police or authorities can track down criminals through phone calls in a matter of minutes. It is true that tracking down by phone can be done, but it will take hours instead of just a few minutes like on screen.

9. Can an autopsy solve the case?

An autopsy is known as a highly specialized surgical procedure that determines the cause of death and assesses whether there is any disease or trauma present in the body. However, movies have given us the false impression that an autopsy will help answer many questions and sometimes solve a case, when in reality, it only helps the police gather evidence.

10. How long do I have to wait to report missing?

In many movies, it is said that a person has to be missing for about 24 hours before the police accept to search and investigate, but in reality, if you are too worried, you can report to the police immediately.

11. Rescuing drowning people in movies and in reality?

Many scenes in movies show characters accidentally drowning screaming and struggling to attract the attention of others. But in reality, it is very difficult for drowning people to get attention from people on land or helicopters.

12. Two people communicating extremely cool while skydiving

Known as one of the legendary scenes in action blockbusters, the scene of people parachuting while discussing plans with each other while doing a cool skydive has made many children admire. However, in reality, the strong wind when parachuting will make it impossible for these people to hear each other say anything, let alone communicate or discuss plans.

13. Electric shock can restart the heart

Medical dramas are never short of scenes where doctors use external shock to revive their patients and get their hearts beating again. In reality, this technique is only used to restore the patient's heart rhythm or treat arrhythmias instead of getting the patient's heart to beat again.