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Ratargul Swamp Forest is a freshwater swamp forest located in Gowain River, Fatehpur Union, Gowainghat, Sylhet, Bangladesh. It is the only swamp forest located in Bangladesh and one of the few freshwater swamp forests in the world. The forest is naturally conserved under the Department of Forestry, Government of Bangladesh. …

How The Earth Was created? 13.7 billion years back time & space began with most colossal explosion history ‘Big Bang’ which is believed to have initiated earth. 1st millionth of a second of its existence it expanded from dimensionless point infinite mass and density into a fireball ca. 30 billion …

Before classification we have to know what is a medicinal plant. There are many definitions.  World Health Organisation (WHO) has defined medicinal plants as plants that contain properties or compounds that can be used for therapeutic purposes or those that synthesize metabolites to produce useful drugs (WHO 2008). We can classify …

All living things, including human beings, are made up of cells. Some organisms have only one cell during their whole lifespan by which they carry out all the physiological processes they require to survive. These are called unicellular organisms (e.g. bacteria, yeast etc.). But there are also many other organisms …

ঢাকা বিশ্ববিদ্যালয়ের কার্জন হল, এই নামটার সাথে জড়িয়ে আছে না বলা অনেক স্মৃতি। যখনই ঢাকা শহরের এই যন্ত্রচালিত জীবন অসহ্য মনে হয়, অসহ্য মনে হয় যানযট, সবুজের জন্য খা খা করে মন তখনই এই কার্জনহলে এসে নিজেকে তৃপ্ত মনে হয়। যারা ক্যাম্পাসে সারাদিনই ক্লাস, ল্যাব, মিড, প্রেজেন্টেশন নিয়ে দৌড়ে ক্লান্ত …

Enzymes are protein molecules that can be defined as biological catalysts. A catalyst is, “A molecule which speeds up a chemical reaction but remains unchanged at the end of the reaction“.Virtually every metabolic reaction which takes place within a living organism is catalyzed by an enzyme and enzymes are therefore …

Plant anatomy Study of gross internal structures of plant organs by the method of section cutting is called plant anatomy. Tissue Vegetative Reproductive Complex Tissue is formed by a group of cells having Same origin Same structure Same function Gross classification of tissue Permanent tissue Meristematic tissue Secretory tissue (concerned …

The sulfur cycle is the collection of processes by which sulfur moves between rocks, waterways and living systems. Such biogeochemical cycles are important in geology because they affect many minerals. Biochemical cycles are also important for life because sulfur is an essential element, being a constituent of many proteins and cofactors, and sulfur compounds can be used as oxidants or reductants in …

Ecology is the scientific study of the interactions that determine the distribution and abundance of organisms . It is the total relationships of animals to both its organic and inorganic environment’. It can be said that there is very little that is not ecology. In this article, Definition,  Subdivision and …

Ever wondered how your body deals with the harmful pathogens inside you? Yes? No? No matter what your answer is, if you are a student of science you should already know a little bit about this topic because you were forced to learn about it for your exams. Was it …