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माया सभ्यता भी मनाती थी मकर संक्रांति द्वारा डॉ. नितीश प्रियदर्शी पूरा उत्तर भारत ठण्ड की चपेट में है I वैज्ञानिकों का मानना है की इस ठण्ड से निजात १४ जनवरी यानि मकर संक्रांति के बाद से ही मिल पायेगा I आखिर ऐसा क्यों? ऐसा माना जाता है की सूर्य १४ जनवरी से मकर राशी में प्रवेश करता है, यानि वह उत्तर की तरफ बढ़ेगा जिससे धीरे धीरे सूर्य की रौशनी पृथ्वी के उत्तरी गोलार्ध पर सीधी पडने लगेगी I इसकी वजह से उत्तरी गोलार्ध में गर्मी का मौसम शुरू हो जायेगा तथा ठण्ड धीरे धीरे कम होने लगेगी I पृथ्वी की कक्षा लगभग २३.५ अंश उत्तर-दक्षिण में झुकी हुई है I इसे क्रांति कहते हैं I पृथ्वी जब अपनी कक्षा पर उत्तर की ओर खिसकने लागतो है तो सूर्य दक्षिण की तरफ खिसकता नजर आता है I इसके विपरीत पृथ्वी जब दक्षिण की ओर खिसकती है तो सूर्य उत्तर की ओर खिसकता नजर आता है I यह सूर्य की उत्तरायण और दक्षिणायन स्तिथि के अनुसार माना जाता है I इसका अर्थ यह हुआ की जब सूर्य उत्तर की ओर चलता है तो उत्तरायण, तथा जब दक्षिण की ओर चलता है तो दक्षिणायन माना जाता है I २१ मार्च को सूर्य विषुवत रेखा के ऊपर रहता है और इस तिथि को दिन- रा...

Deep well emits gas in Bhagalpur. by Dr. Nitish Priyadarshi A borewell that started giving out inflammable gas on Christmas Eve has now become a community chullah (earthy stove) at Darpur village in Bhagalpur district in Bihar state of India. Villagers from surrounding areas have made a mud chullah over the mouth of the borewell to cook food and warm themselves up in chilly weather. Such incidents were reported earlier too from various parts of North India including that of Jharkhand state, where catching fire in water of deep wells especially in coal fields area were seen. The areas were so called emission of inflammable gas is taking place lies in Ganga Basin. Several drilling works has been carried out to explore the possibilities of Hydro carbons in Ganga Basin by different Government organizations of India. According to the reports, the hydrocarbon potential Ganga Basin is till in the stage of preemptive prognostication despite drilling 12 wells. Vast area to be covered with seism...

In spite of several announcements and promising by the different Governments Ganga still remains polluted. by Dr. Nitish Priyadarshi National Ganga River Basin Authority (NGRBA) presented a time frame of another 10 years to the Supreme Court of India, promising to clean up Ganges by 2020. Much polluted water has flown under the bridge since the Central Ganga Authority (CGA)was formed in 1985 under the Prime minister Rajiv Gandhi, promulgating the Ganga Action Plan (GAP). At the 1981 session of Indian Science Congress at Varanasi, scientists expressed concern at the growing pollution in the river Ganga in presence of the then Prime Minister Mrs. Indira Gandhi who inaugurated the session. At her instance, Dr. M.S. Swaminathan, the then member, Planning Commission asked the Central Board for Preventation and Control of Water Pollution, New Delhi to conduct studies on the state of the river Ganga. In collaboration with the State Pollution Control Boards of Uttar Pradesh, Bihar and Bengal a...

Iodine deficiency is an important global health problem. 8 person out of every hundred, suffer from goiter in India. by Dr. Nitish Priyadarshi Halogens are present and are volatile trace elements in most geological samples. Among them, iodine has the lowest abundance; less than 0.1 ppm in igneous rocks and less than several ppm in sedimentary rocks. Iodine is least abundant of the halogens and is lithophile element. It is typically a dispersed element and is never concentrated enough in rocks or sediments to form independent minerals. The content of iodine is higher in air masses of marine origin than in those over the continents (Rankama and Sahama, 1950). The content of iodine seems to have some relationship to the salinity of the sea water as it is found to increase to the rise in salinity. Iodine is carried away from the atmosphere partly by rainwater and partly by direct adsorption into the soil and into plants. High solubility of iodine makes it enriched in soil and its highest c...

Trees were cut down mercilessly. by Dr. Nitish Priyadarshi Most of the old trees were cut down on the route of President of India in Ranchi. She is arriving here on 9th December for the convocation in Ranchi University. Local administration feels that these trees are threat to the President. But astonishingly most of the top authorities and ministers are unaware of the cutting down the trees. So this is the way we are protecting our environment.

In modern parlance, arsenic is viewed as being synonymous with “toxic”. by Dr. Nitish Priyadarshi As old as recorded history, arsenic has existed through the centuries as a curative, a pigment, a cosmetic, on mirrors, part of alchemical lore, and most notoriously, the deadliest of poisons. In its various forms- as tasteless and odorless arsenic trioxide, the gold-bearing yellow arsenic sulfide, the deadly gas arsine, the practical alloy copper-arsenic, common pesticide white arsenic, and the electronics staple gallium arsenide-arsenic has served with fascinating ease human impulses both noble and wicked. The long history of arsenic in science, medicine and technology has been over shadowed by its notoriety as a preferred poison in homicides. In modern parlance, arsenic is often viewed as being synonymous with “toxic”. Widespread arsenic contamination of groundwater has led to a massive epidemic of arsenic poisoning in India and Bangladesh and neighbouring countries. Presently 42 major ...

Sky above Ranchi city is covered with red clouds. by Dr. Nitish Priyadarshi On 19th night layers of Red coloured clouds were seen in the sky of Ranchi city, the capital of Jharkhand State of India. These colour is due to pollution mixed with reflection of city light. From last several days lots of fire crackers were used due to Diwali and other festivals.