Almost all the elements in the universe are composed of atom siblings though are chemically equivalent but have slightly different weight. Every Atom is composed of equal number of electrons and protons to make it electrically neutral and stable. There are also neutrons which are electrically neutral but have weight almost equal to the proton. Protons and neutrons reside in the centre of atom and called jointly nucleus. This is due to the different numbers of neutrons in these atoms. More the neutrons more shall be the weight of the isotope. Oxygen has two prominent isotopes. The lighter one contains… Read More »Ice hides memories of past climate!!!!
Dharavi is the largest slum in Asia. It is situated near Bandra in Mumbai, the economic capital of India. Mumbai was once upon a group of disjointed islands and one had to take the boat to reach an island from another. British got the island in dowry from Portuguese and saw its strategic importance chose to develop the place because it has the finest natural harbor in the world. They encouraged the Parsees to come and open industries and develop the city. Soon the city began to expand and people flocked to it in search of better future. The islands… Read More »Recycling for a Living
When someone asked the humorist writer Mark Twain which investment shall bring in the maximum profit, he had said “Buy land, they’re not making it anymore”. As always how true he was. The demand for land is rising and rising relentlessly. Our health quotient is improved day by day resulting in increased life expectancy. More people, more wealth they generate and with more wealth, everybody wants to live a life of comfort. Three basic needs: house, food and clothing are putting extreme pressure on our planet. Even though Sun is helping us in the synthesis of food, the area under… Read More »What is Happening?
“Choe” in local language in Punjab means a stream or a rivulet. Sukhna choe is the name of stream after which the lake in Chandigarh is named. The choe passes through areas of union territory Chandigarh, Haryana and Punjab before merging into Ghaggar river. Many unauthorized settlements have mushroomed along it particularly in Union territory of Chandigarh. Some industries have also come up near it. There was a time about 50 years ago when the clean water flowed from the dam but these days if you pass by the gates of Lake hardly any water flows there. At that time… Read More »How clean was water of Sukhna Choe once upon a time
Bishnois are a community living in Rajasthan of India. They live in complete harmony with nature. In the old times, the womenfolk sacrificed their lives protecting the hacking of trees. Bishnoi means twenty nine: Bees meaning twenty and nao meaning nine. They live their lives according to the 29 principles. All these principles are to live in perfect harmony with nature. They protect plants, trees and animals. They get everything for sustenance from mother nature taking only that much what is required. Bishnois consider it their ‘Dharma’ to save lives of animals and trees. Many animals like peacocks and antlers… Read More »Bishnois: The First Environmentalists of India