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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…
Getting sleepy and eventually falling asleep after reading a few pages is a phenomenon that many, if not most, of us, can relate to. So what is it about reading that can make us conk out? Not everyone gets sleepy while reading …
Did your parents pick out the color of your eyes? Not exactly, but they did play a big part in determining their color. How? They passed along their genes to you! There are two main factors that help determine your eye color: the amount and pattern of …
Have you ever noticed something interesting about cameras, though? What shape is the camera lens? What shape are the pictures they produce? That’s right! Round lenses produce rectangular pictures! What’s up with that? This curiosity about cameras stems from the fact that the camera lens doesn’t produce the picture directly. …
How often do you brush your teeth? We hope you brush twice a day as dentists recommend. If you do, you probably go through a lot of toothpaste. Do you have a favorite kind or flavor of toothpaste? Have you …
Smoke detectors in homes are Wonderful, life-saving devices. When technological advancements made it possible for nearly everyone to afford smoke detectors for their homes in the late 1970s, annual fatalities from home fires were reduced by almost half. All smoke detectors consist of just two basic parts: a sensor to detect smoke and a …
When you study history, do you have an appreciation for how early humans survived way back when? Hunting and gathering food in the wild must have been a big challenge. It must have been even harder for them to charge …
Have you ever noticed how things change colors? Chameleons…leaves in the fall…even though mood rings! What makes these things change colors? Is it the same process going on with all of these things? The color of an object depends upon which wavelengths of light …
With a vivid taste and smell, vinegar is a versatile liquid with many uses and benefits. Created from the fermentation of alcohol, the main ingredient in vinegar is acetic acid. The acetic acid in vinegar gives it its unique taste and smell, as well as some of its other less-famous benefits. From salt and …
Do you know why you have blue eyes? Or blonde hair? If you’ve ever WONDERed about the traits and characteristics you have and how you came to have them, you may have been told that the answer lies in your genes. To understand …
As human beings, we all cough from time to time. Sometimes it might be the result of food or drink going down the wrong pipe. At other times, a persistent cough might be the primary symptom of an illness. So what’s going …
Scientific studies tell us that as a species, human beings have been around for some time now. But we’re not nearly the oldest living species still around today. Although it can be hard to tell exactly how old some species are and scientists are confident that they …
Have you ever wondered exactly what your body does with all that food you eat? How does it convert a slice of watermelon into the stuff your body needs to grow bigger and stronger? Let’s take a look inside your …
We do it so often — and without thinking — that it’s easy to forget about. We can go days without water and possibly weeks without food. We can’t go minutes without breathing, though! But why is that? What purpose does breathing serve? The …
As the weather begins to turn cold in the north, many birds pack their bags and head south to warmer areas for the winter. Do birds simply hate cold weather? Not necessarily! Many birds can do just fine in cold …
What are we talking about? A fever, of course! A fever is a sure sign that your body is fighting something and likely needs some medicine. Human beings have a normal body temperature of about 98.6º F. Some people may have a normal body temperature slightly …
Not quite! But the giraffe is known for having a long tongue. It’s also known for having a tongue that’s dark black, blue, or purple in color. So what’s the deal with giraffe tongues anyway? Even though a typical giraffe’s neck can stretch as …
We do it so often — and without thinking — that it’s easy to forget about. We can go days without water and possibly weeks without food. We can’t go minutes without breathing, though! But why is that? What purpose does breathing serve? The …
Do birds simply hate cold weather? Not necessarily! Many birds can do just fine in cold weather as long as there is plenty of food. However, the foods that many birds eat disappear in the winter as the number of …