Date: 5th June World Environment Day Purpose: To create awareness among people about Nature. Proposed By: United Nations First Proposed: 5th June 1972 at Human Conference on Human Environment held at Stockholm. Participants: UN, Different Governments, NGOs, Different Organizations, and Common people. First Observed: 5th June 1974 First Host: Spokane, USA First Theme: ‘Only One …
Today Guava(Psidium guajava), Pineapple(Ananas comosus), and Papaya(Carica papaya) are popular in almost all parts of the world. Do you know their origins are in Central and South America. Portuguese and Spanish merchants took them all over the world. These fruits first came to Europe in the fifteenth and sixteenth centuries. Later European merchants brought these …
Earth Day is one of the two days (other day is World Environment Day) celebrated by environmentalists around the world with a pledge to protect the environment. The first Earth Day was celebrated on April 22, 1970. The first three people who came forward to select this day as Earth day were U.S Senator Gaylord …
Today in Europe and Asia the popular paper sizes are ‘A’ series.The ratio of length and breadth(l/b=√2) in this series is √2. The ratio of √2 in paper size was first noted in 1786 by the German Scientist and Philosopher , George Christoph Lichtenberg. There are 11 sizes of paper in ‘A’ series(A0 to A10). …
