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“The Knowledge Library”
Knowledge for All, without Barriers…
An Initiative by: Kausik Chakraborty.
“The Knowledge Library”
Knowledge for All, without Barriers……….
Knowledge for All, without Barriers…
This cool feature helps us to work faster and more efficiently by correcting little errors along the way. It also helps the end user who has to read what we text or type. Believe it or not, though, your brain has had this feature built into it since you were …
tears can be both emotional and physical in origin. Sometimes it’s our feelings that lead to waterworks, while other times it’s something purely physical that causes our eyes to water. You can think of tears as a shower or bath for your eyes. Special tear glands — called lacrimal glands — produce …
How do you keep track of memories? Good times with friends and families are things we’ll want to remember forever. Unfortunately, our human brains tend to forget things over time. How can we preserve those memories for the future? If you have …
Birds have many different ways they adapt to life in the coldest months. They have a hard time in cold weather because their body temperatures are higher than those of humans. Although the exact body temperature varies by species, birds …
Have you ever planted a tree, though? If you have, you probably know that it doesn’t grow quickly like a flower or a stalk of corn. To the contrary, most trees grow quite slowly, only reaching great heights after many, many years. In fact, take …
There are actually two mammals that can lay claim to the title of the world’s smallest mammal. The winner depends upon how you define “smallest.” One of the animals weighs the least of any mammal, while the other is the …
Have you ever wondered why the piano has 88 keys, though? Why not 44? Or 212? Why 88? The answer, as it turns out, has both historical and practical aspects. The piano got its start as a modification of the …
Most germs fall into four main groups: bacteria, viruses, fungi, and protozoa. The most common germs that cause us to be sick are bacteria and viruses. Although they’re both germs, they’re very different creatures that are battled in different ways. Bacteria are tiny organisms made of …
Leukemia occurs when many abnormal white blood cells—called leukemic blasts—take over the bone marrow and enter the bloodstream. Instead of helping to fight against infection, leukemic blasts multiply and disrupt the body’s production of other important blood cells, including platelets and red blood cells. Leukemia is one of the most common types of …
When was the last time you were sick? Sometimes when we’re sick, we take over-the-counter medications to feel better. Sometimes, though, we need to go see the doctor. Why? There are some illnesses that can only be fought with the help of special medicines that …
The cockroach comes in an amazing number of different types. Scientists believe there are over 4,500 different species of cockroaches around the world. Of those thousands of species, only about 30 of them have been associated with human habitats and …
Before any creatures were living on land, your water was part of the ocean. The water we have on Earth has been here for a very, very long time, and Mother Nature has been constantly recycling it through the water cycle. When you toss a can, bottle, or newspaper …
Ocean water is salty because it contains large amounts of dissolved minerals. These minerals are often called “salts.” Depending on which part of the world you are splashing around in, about 3.5% of the oceans’ waters are made up of salts. Water near …
Elephants are huge, which means they produce a lot of body heat. Since elephants also typically live in very hot climates, it’s essential that they have a very efficient way to get rid of their extra body heat. Luckily, elephants come with a built-in solution: big, floppy ears. On …
Actually, there’s no easy answer to that question. It all really depends upon how you define “strong.” Many different muscles might be considered strongest, depending upon exactly what kind of strength you’re talking about. Different muscles will have to fight it out …
Mermaids aren’t real. Still, they have fascinated people for thousands of years. But what exactly is a mermaid? When most people hear the word “mermaid,” they think of a creature that’s half-human, half-animal. Specifically, they usually picture a woman whose legs …
Do fish sleep? And assuming they do, HOW do fish sleep? If you’ve ever watched fish for any length of time, you know they get plenty of exercises. They’re constantly swimming around. It can seem like they never stop. Surely …
Some of our gemologist Wonder friends probably know the different ways to tell the difference between real gold and fool’s gold, but do you know how to tell the difference between real diamonds and fake diamonds? Of course, if you have a particular diamond — or what you think …