The term ‘ecosystem’ was first used by A. G. Tansley in 1935. Tansley defined an ecosystem as a particular category of physical systems, consisting of organisms and inorganic components in a relatively stable equilibrium, open, and of various sizes and kinds. An ecosystem is a structural and functional unit of …

Wood is a porous and fibrous structural tissue found in the stems and roots of trees and other woody plants. It is an organic material – a natural composite of cellulose fibers that are strong in tension and embedded in a matrix of lignin that resists compression. In this article, Internal structure of Wood …

Selecting University is a crucial step in the journey of Higher Studies. This post is mainly for those who will prefer to apply centrally for admission to US universities. But others can find the ways of selecting Universities  useful too.   The post is from a graduate student at the …