West Bengal

Is Collective Wisdom always Correct?

At the starting point of human evolution timeline, the progress was very slow and full of dangers. Learning was at the cost of many human lives. In the beginning, man was a hunter and did not have a stable life. He was always on the move because animals which he hunted were also capable of running. Life of hunting was not easy.They were on lookout for more stable life. To be able to stay put at one place. For this, humans had to enable themselves replace their diet with grains and cereals which could be grown near their abodes. As… Read More »Is Collective Wisdom always Correct?

Arsenic Poison in Drinking Water

Uncontaminated drinking water is hardly available to most of the poor population in the developing or under-developed countries. Water contaminated with bacteria, virus and dissolved ions in excessive amounts cause so many disease. Contamination of water can be natural or man induced. The reason for the contamination of water is that water is a universal solvent. It leaches away so many chemical compounds from the rocks exposed to it. Secondly, water makes up more than 70% of the area available on the Earth surface. Life began in the water. So many reactions necessary for the growth and reproduction of life… Read More »Arsenic Poison in Drinking Water

Mango : The King of Fruits

Hiuen Tsang, Chinese scholar after being in India is going back. Time AD 627-643, on the fabled Silk Route. Apart from his knowledge of Buddhism, his rucksack contains an extraordinary fruit called Mango. The name in hindi AaM is derived from Sanskrit word AMRA which seems to be the loan word from Dravidian and is related to Tamil words for Mango like “mamaram”. Portuguese were responsible for transferring the name to the West. It is growing in India since 4000 years at least. Moguls were great connoisseurs of the fruit. Akbar got 100000 mango trees planted in Lakhi Bagh (Lakhi:… Read More »Mango : The King of Fruits

Revival of local rice varieties in India

In order to increase the yield of rice to meet the needs of food in the country, high yield laboratory engineered rice varieties also called hybrid varieties have replaced the local varieties which yield less all over the country. Many areas like Punjab and Haryana in North India which were not rice growing areas have become the major rice growers. This though has helped the Green Evolution and commercialised the farming, has played havoc by excessive water drainage from the underground and contamination of water by heavy metals present in the fertilisers and insecticides which cause many diseases. But the… Read More »Revival of local rice varieties in India