The Dhaka Times Desk An optical illusion or trick is a puzzle in real sense. But if you can understand the correct answer within the stipulated time, you must appreciate not only your vision but also your intelligence!
Common such puzzles make a particular part of our brain conscious. This type of puzzle also directly challenges the part of the brain that works to apply practical knowledge and intuitive concepts to our everyday tasks. That is why the mind conflicts with what we see with the eyes. But it doesn't hurt. Rather, our brains become more and more vulnerable to such challenges on a regular basis. At least that's what the experts say. This puzzle is just like that.
Looking at the picture above you have to tell how many black dots are there in it. Look carefully. You have 20 seconds to count these dots.
What did you catch? Tell me how many dots are in this picture?
You must be very conflicted. Looking at the black dots, they disappear again?
But would you believe the truth? There is not a single black dot in this picture!
If you don't believe it, take a good look at each white line between two fingers. Only then you will understand the matter yourself. Source: Anandabazar Patrika Online.
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How to prevent dengue
Dengue is a mosquito-borne viral fever. This fever is different from other viral or bacterial fevers. However, this fever is not contagious in any way. This viral fever can occur alone or in combination with other viruses (chikungunya, yellow fever, Burma forest, flu, respiratory syncytial) and bacteria (pneumococcus).
Dengue fever is divided into two categories depending on the severity of symptoms and fever.
1. Common dengue fever
2. Dengue fever with bleeding.
In the case of common dengue fever, the following symptoms are mainly seen-
1. Sudden high fever lasting 2 to 7 days.
2. Severe headache.
3. Pain behind the eyes.
4. Along with the fever, red rash appears all over the body.
5. Severe pain in whole body as well as back pain.
6. Nausea or vomiting.
7. A rash or red bumps on the skin.
In case of dengue fever with bleeding:
1. Bleeding from nose, mouth or vomiting with high fever within 2 to 48 hours.
2. Fluid accumulation in chest or abdomen along with fever.
If any of these symptoms appear, seek medical attention immediately.
On the other hand
Wait at home for the first 3 days of fever. On the other hand, sponge the whole body with water every now and then. This will reduce the level of fever. Drink enough water and rest. After that, if the fever does not decrease or if it continues to increase after some time, consult a doctor immediately.
Things to do to prevent Dengue:
1. Try to keep the surroundings of the house as clean as possible.
2. If there are flower tubs or broken plastic bottles, can shells, tires or polythene inside the house, clean them quickly and drain the accumulated water from the flower tubs.
3. Spray or fog at least 3 times a week to kill mosquitoes.
4. You can keep mosquito repellent cream with you while going out.
5. After evening, younger and older members of the household should use mosquito nets.
6. Clean up any accumulated rain water, as this is the time when Aedes mosquitoes lay their eggs.
7. On the other hand, you can use mats along with mosquito nets to avoid mosquito infestation.
8. Since Aedes mosquitoes bite during the day, it is important to avoid sleeping with mosquito nets while sleeping during the day. Source: https://dmpnews.org
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