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What happens in your brain while you dream?

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For centuries, people have been fascinated by this term, dream. Wait for a second, is it actually a thing, phenomenon, feeling, or just nothing! Even still we don't know everything about it. But, what is this weird stage that we pass while we sleep? Does it have a head or tail, or is it completely meaningless! That does not make sense, right? The textbook definition which describes dream the best is it's is a succession of images, ideas, emotions, and sensations that usually occur involuntarily in the mind during certain stages of sleep. [1]   Though the meaning and purpose of dreams are still subject to significant debate . To understand this better, we must have a clear idea about the sleep cycle .  Every time we sleep, we pass through several stages of this sleep cycle. At first, our body stays awake, just like while you relax after studying for a long duration. Now, slowly, we start to lose sense. There are 4 normal stages of sleep while this exact thing happens. In these

Choosing a laptop for your online education!

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Alright! Finally, here with another post of the "Choosing a gadget" series. In this post, let's choose a laptop for your online education.  Why laptops? Sometimes it's not possible to get have all the things with just one device (maybe a tablet or iPad). For instance, with a touchscreen , it may get clicked on some other answers in your online exam , or maybe you aren't able to do video editing on the best software. Well, all of these are because of compatibility issues . Tablets or smartphones use their own Android, iOS, or iPadOS, but our world is not optimized  in that way. So, there might be some software incompatibility issues as many of the online/ offline software are optimized for laptops. And this is where the problem arises. In many cases, the tablet or smartphone may not be able to handle the performance-intensive tasks properly (except the PRO versions). And also it is a bit hard to find video editing software for tabs. Now in those cases, the la

Choosing a tablet for your online learning!

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We've already discovered a lot of things about online learning from our previous post. Thereby we know that we all are switching to an era of the internet. This is a new thing that came into everyone's life due to the pandemic of 2020. So, online learning has also become a part of our lives.  When we talk about this, what comes to your mind? The device which allows you to do all these works? This post is for you if you're looking for a proper gadget for your online learning. Tablet computers became the most popular thing in online learning. It allows the students to touch the screen, unlike laptops. Also, the batteries give you more & more time for your classes, which laptops don't. Many of the tablets are specially designed for students. They can write on it with a stylus, read an eBook, what not? Then, let's find a tablet for you! When we talk about tablets, most of us like to say iPad. What's the reason for saying this? Let's unravel it. iPads are the

Effects of oversleeping

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We all love to sleep! 🥱 And it's a portion of our lives also! But, just like confidence, excessive sleep may not be desirable for you. As we all know, sleep gives us freshness, a good morning, but what this oversleep can cause? Let's unravel them! What's a good sleep time? Firstly, we should know the difference between sleep and oversleep. And for that, let's first know what's a good sleep time. Here's some info from National Sleep Foundation .  Expert recommended sleep durations (including naps): For a newborn baby: 14-17 hours (shouldn't be <11 or >19) For an infant: 12-15 hours (shouldn't be <10 or >18) For a toddler: 11-14 hours For a preschooler: 10-13 hours For a school-aged (6-13 years) child: 9-11 hours For a teen: 8-10 hours For a young adult: 7-9 hours For an adult: 7-9 hours For detailed instructions, kindly refer to NSF. What causes oversleeping? Oversleepiness can be due to many factors, including diabetes & heart diseases,

Tips for a good sleep

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"Sleep to remember & remember to sleep!" 😴 Who doesn't love to sleep? But think, you went to bed after having your dinner, struggled to sleep, but sleep wasn't coming! Oh no, it's as same as a nightmare! So, how you can sleep efficiently? Before that, let's see some tips which you have to remember before sleeping. 1. The 90 Minute Rule Sleep is not uniform. Rather, over the course of the night, the total sleep is made up of several sleep cycles, which are composed of four individual stages. On a typical night, a person goes through four to six sleep cycles. Not all sleep cycles are the same length, but on average they last about 90 minutes each. Your night dream begins in the fourth stage i.e. Rapid Eye Movement or REM stage when the body is paralyzed. If you look into a human's sleep routine, the sleep cycle time will decrease a little bit after each cycle. And now, in the last sleep cycle, "Good morning!" So, make your sleep time (in minut

Quality or Quantity?

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About the writer Ganesh Pai is the Founder of Don’t Memorise. He started Don’t Memorise in 2014 to help students understand educational concepts simply and minimalistic.  He is an Electronics and Telecommunications Engineer, and a TED-Ed Educator. He has created 2 lessons with TED-Ed which have crossed 8 million views. He’s also a long-distance cyclist and has won the 200km BRM medal. He loves playing chess and football. Quality or Quantity? To view the post, click here . Other videos of the writer Blogpost link added with permission of the writer. About Ganesh Pai (Source): Copyright  Don't Memorise See also: Nivedita Kauri's Biology Channel Back to top

Memorizing or Understanding?

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If someone asks you that how many teeth a human has, what will you do? Will you count your teeth and say the number or just remember the number and say it? The second option will be much better, less time-consuming, and accurate. So, is it better to memorize or understand? Yeah. It's a great question. Let's understand it with an example! Suppose, there's a quiz is going on in class four of a school. Every student has to answer each question in only 5 seconds! That's a very short time.  Suppose the teacher asks, how many faces does a cube has, what will you do? Some of the students will simply imagine a cube and tell the number and some will remember and say the number. Which technique will be faster? Research shows that, on average, the student who remembers the number will be able to answer faster. Sounds peculiar, right? 😒 Now, suppose there is the same scenario. But, the students are not in class four, they are in class twelve, who are not in culture with geometry.

10 Amazing Facts that will surprise you!

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  Here are 10 amazing facts around the world that will surprise you! #1 Zeus German mastiff or Great Dane or Canis lupus familiaris is a dog breed from Germany. One of these dogs is Zeus, famous for being named the world's tallest dog by the 2012 and 2013 Guinness Book of World Records. Zeus's height is ~1.1 m & weight is ~70.3 kg. The fact is that this cute dog made his owners world-famous! #2 The King of Kings A Gold coin of Kanishka, the Greco-Bactrian legend, at the British Museum. The letters were written there, ϷΑΟΝΑΝΟϷΑΟ ΚΑΝΗϷΚΙ ΚΟϷΑΝΟ stands for "King of Kings, Kanishka the Kushan". #3 Alexander the Great According to the University of Maryland School of Medicine report of 1998, the great king Alexander the Great died of malaria and typhoid at the age of 32. Alas! Such a great king died of a little mosquito!  #4 Anderson The Guinness Book of World Records (1985 edition) lists Paul Anderson's feat of lifting 6,270 lb (2,840 kg) as the greatest weight ev

How to memorize anything?

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  Memorizing! It's really a difficult job. You study all time, the syllabus has been completed, but when the exam comes, hey I can't memorize anything! It's the human brain. It's just like computer storage. But not actually. Because the human brain has a capacity of ~2500 TBs. Yeah, ~2.5 million GBs or ~256 Crore MBs or 2621 Billion KBs. That's a huge number. According to hopkinsmedicine.org, when we learn something—even as simple as someone's name—we form connections between neurons in the brain. These synapses create new circuits between nerve cells, essentially remapping the brain. On the other hand, the brain simmers with activity. Different groups of neurons (nerve cells), responsible for different thoughts or perceptions, drift in and out of action. According to Queensland Brain Institute, memory is the reactivation of a specific group of neurons, formed from persistent changes in the strength of connections between neurons. So, how to memorize? Firstly

Does listening to music benefits you?

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Do you listen to music?  ♫  While studying? Or while doing anything? But is it beneficial for you or harmful? Let us see them in this new post of Nursery Workshop. Musics are of different kinds, like rock, jazz, blues, disco, relaxing. Or it can be a song with a voice. The music which you like might not be favorable to me. It varies according to personality. So, if you play your favorite music near a person who doesn't like it at all, it might sound irritable or may cause a headache to that person. So, firstly, the person should like the music that the person is listening to. There you go! Even if the music is favorite to a person, listening to music might not be useful in some cases. Some people can't focus on their work while listening to music. Straightforwardly, they can't  multitask. If this happens to you, you can feel it automatically.  Alright, now see the benefits. 1. Listening to music elevates the mood , which might keep a smile on your face. 2. Listening to musi

The best learning platforms across the internet

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There are several platforms present across the globe providing high-quality education. We've already posted an article that includes the best youtube learning channels. And, in this post, we'll discuss all the platforms, including YouTube. There are several online course apps and websites which are providing high-quality education. Some of them are free, some of them are paid. Some of them are in true English & some of them are in regional languages. So, let's start our today's journey! 1. Don't Memorise (Company) Founded in 2014, and based in India, Don’t Memorise is a trusted online education company for students, teachers, and parents around the world. Whether it’s a simple middle school math concept, or a complex high school science one, Don’t Memorise breaks it down such that any layman can understand. They have all of their videos on their website & some on their YouTube channel . Starting from Numerals to Calculus & Light to Sound, you can find a

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