Latest Post -:
“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…
Cramps are especially common in the muscles of the foot, fingers, and calves. Physiologically, a cramp is an abrupt contraction and spasm of muscles caused by circulatory disorders or physical exertion. A frequent cause of a cramp may be an …
The truth is, that crying is not only possible but necessary. And there are plenty of various reasons for that: ✔️ Most people feel a little better and happier after crying. All accumulated emotions and tension are released. ✔️ Tears …
Most animals relax their muscles during sleep. With birds, it’s different. The tighter the muscles in birds, the stronger and healthier their sleep. During sleep, the muscles are in such a state that the feathered birds cannot straighten their legs. …
दिन का समय था। मिर्जा गालिब ने शेरवानी उठाई और मस्जिद की ओर चल दिये। मार्ग में एक सायेदार वृक्ष देखा। वे सुस्ताने के लिए बैठ गये। शेरवानी एक टहनी पर लटका दी। थके-मांदे तो थे ही, झपकी आ गयी। …
पुराने समय में किसी शहर में एक जौहरी रहता था, उसकी असमय मृत्यु हो गई। उसके परिवार में पत्नी और उसका एक बेटा था। जौहरी की मृत्यु के बाद उनके परिवार में पैसों की कमी आ गई। एक दिन मां …
स्कंद पुराण में एक सुंदर श्लोक है। अश्वत्थमेकम् पिचुमन्दमेकम् न्यग्रोधमेकम् दश चिञ्चिणीकान्। कपित्थबिल्वाऽऽमलकत्रयञ्च पञ्चाऽऽम्रमुप्त्वा नरकन्न पश्येत्।। अश्वत्थः = पीपल (100% कार्बन डाइऑक्साइड सोखता है) पिचुमन्दः = नीम (80% कार्बन डाइऑक्साइड सोखता है) न्यग्रोधः = वटवृक्ष (80% कार्बन डाइऑक्साइड सोखता है) …
एक ग्रामीण था। वह अनपढ़ था। वह पढ़ना-लिखना नहीं जानता था। उन्होंने अक्सर लोगों को किताबें या पेपर पढ़ने के लिए चश्मा पहना हुआ देखा था। उसने सोचा, “अगर मेरे पास चश्मा हो, तो मैं भी इन लोगों की तरह …
एक दिन कॉलेज में प्रोफेसर ने विद्यर्थियों से पूछा, कि इस संसार में जो कुछ भी है उसे भगवान ने ही बनाया है न ? सभी ने कहा, हां भगवान ने ही बनाया है. प्रोफेसर ने कहा, कि इसका अर्थ …
Those who have run a marathon, though, know that the word has a special, specific meaning. For runners, a marathon is a running event — usually a road race — with an official distance of 26 miles and 385 yards …
Anyone who spends time in a garden will tell you earthworms are a gardener’s best friends. Earthworms may be the most important factor in the success of a garden. Some people even call earthworms “nature’s first gardeners”! If you’ve ever …
Two-thirds of the human body (by weight) is water. Humans need water for many things. It’s used for blood flow, breathing, and turning food into energy. After oxygen, water is the body’s most important nutrient. Quite simply, you need water to live. …
When air particles vibrate, they bump into other particles near them. Then these particles begin to vibrate and bump into even more air particles. When the air particles begin vibrating the air inside your ear, you hear a sound. This …
Golfers believed that smooth golf balls would travel farther through the air because a smooth surface would create less wind resistance. But they were wrong! Golfers quickly noticed smooth gutta-perchas did not soar through the air as well as featheries. Over time, however, …
Blood is composed of cells and plasma. The cells include red blood cells, white blood cells and platelets. The red blood cells carry oxygen from the lungs and give blood its red color. The white blood cells fight infections. The platelets help form clots to stop bleeding in case of a cut. All these …
Where is the deepest place on Earth? It’s beneath the surface of the Pacific Ocean to the southeast of Japan. There, you’ll find a deep, crescent-shaped trench. This is called the “Mariana Trench.” Near the southern tip of the crescent, there is …
On Earth, gravity is the constant force pulling us toward Earth and preventing us from flying off into space like a balloon. When you step on a scale, it shows your weight as a number. This number is actually a measurement of the gravitational pull Earth has on you. Mass is how much “stuff” …
Merriam-Webster says one of the most common questions it is asked is how a new word gets added to the dictionary. The answer is simple: The word gets used. When deciding what new words or phrases to include in an updated …
To understand time zones, start by thinking about the shape of the Earth. You know our planet is a sphere that spins on an imaginary pole called its axis. Every 24 hours, the Earth makes a complete rotation. We call each full turn a day. Imagine …