Whatever you do, you are using your muscles. Not all of them move at once you have 639 muscles in all but you would be surprised to know how many of your muscles you use doing something as simple as walking. When your muscles are working they produce an acid called lactic acid, which makes the muscles feel tired. When …

Smaller birds hop, while larger ones walk by alternating legs. Smaller birds won’t get very far with each baby step, However, there are plenty of exceptions, even within the same taxonomic groups, and some species (ravens, robins and blackbirds) move by both methods.

Laurel and holy trees have developed special kinds of leaves to seal the water inside themLaurel and holy trees have developed special kinds of leaves to seal the water inside them during the winter months. Both trees are evergreen, inside of dropping all their leaves in autumn; they shed old ones and grow new ones through out the year. In …

Kilocalories are commonly known as calories and abbreviated as kcal. One calorie (Kcal) has the same energy value as 4.186 kilojoules (kJ), while one kilojoule is equivalent to 0.24 calories. One calorie contains the amount of energy that raises the temperature of one litre of water by 1 degree Celsius.

The sepals of a flowers protect it while it is in bud. The flower is really a kind of shoot, in which the leaves have been altered so that they can take on the task of producing seeds. In a simple flower these leaves are arranged in circles, called whorls. The outermost are five green, leaf-shaped sepals. Inside these are …

एक रोज सुबह – सुबह राजा वीरभद्र आखेट के लिए निकला। महल लौटने को हुआ तो बहुत ही थका, भूखा और प्यास हो चुका था। तभी, सड़क के किनारे उसने तरबूजों का एक खेत देखा। एक प्यासे व्यक्ति को इससे बढ़कर और क्या चाहिए? उसने अपने सेवकों को कुछ बढ़िया तरबूज लाने का आदेश दिया। जब वे उस तरफ बढ़ …

एक घने जंगल की गुफा में एक नन्हा मेमना अपना माँ – बाप के साथ रहता था। बकरी परिवार के खाने के लिए जंगल में बहुत कुछ था – झाड़ियाँ, पत्तियां आदि। तीनों का जीवन आराम से कट जाता, बस शिकारी जानवरों का डर भर न होता। पूरा जंगल बड़े – बड़े बाघों और चालाक, निर्दयी गीदड़ों, से भरा हुआ था। बकरी …

गोपाल भांड नहुत ही बुद्धिमान और मेहनती आदमी था। उसकी बुद्धि और व्यवहार कुशलता के बहुत चर्चे थे। लोगों की हर समस्या का हल वह चुटकियों में करता था। इसलिए उसके पास लोग अपनी – अपनी मुश्किलें लेकर आते ही रहते थे। किस्मत की बात है – उसके पड़ोस में एक निहायत कमअक्ल दम्पति रहता था। उस पर तुर्रा यह …

The smell in flowers comes form the special oils that are produced in the petals, as the plant grows. When this oil evaporates, which it does very easily, it gives off a fragrance which we can smell. Various combinations of chemicals in the oil of different flowers result in a variety of fragrances. Some are pleasant sweet smells, like those …

Recently I went to the top of a skyscraper in a lift. After I had gone up a few stories, I felt a funny sensation in my ears. My eardrums seemed like they were growing and were about to burst. As I went a little higher, the sensation was worse. My fellow passengers in the lift told me to swallow …