Science Tech

 Variation in the population in various countries The Growth of Human Population: Four Major Periods or Stages An early period of hunters and gatherers   This period ranges between the first evolutions of humans on this planet to the beginning of agriculture. During this period, it is estimated that the total population was … Read more

 Vermiculture Vermiculture means artificial rearing or cultivation of worms (Earthworms) and the technology is the scientific process of using them for the betterment of human beings. Vermicompost is the excreta of earthworm, which is rich in humus. Earthworms eat cow dung or farm yard manure along with other farm wastes and pass it … Read more

 Human eye Human eye, in humans, specialized sense organ capable of receiving visual images, which are then carried to the brain. The eye is protected from mechanical injury by being enclosed in a socket, or orbit, which is made up of portions of several of the bones of the skull to form a … Read more

 Food bio technology Biotechnology is defined in accordance with the Convention on Biological Diversity, i.e. “any technological application that uses biological systems, living organisms, or derivatives thereof, to make or modify products or processes for specific use” Biotechnology as applied to food processing in most developing countries makes use of microbial inoculants to … Read more

 Robotics Robotics is a branch of engineering and science that includes electronics engineering, mechanical engineering and computer science and so on. This branch deals with the design, construction, use to control robots, sensory feedback and information processing. These are some technologies which will replace humans and human activities in coming years. These robots … Read more

 Structure of flower and reproduction process The Female Reproductive Organ: The Carpel The female parts of a flower consist of an ovary, which contains one or more ovules, a style and the stigma. The ovary is at the base of the flower.  From the ovary, extends a tubular structure called the style and … Read more

 P and SM (Preventive and Social Medicine) The name preventive and social medicine emphasizes the role of: Disease prevention in general through immunization, adequate nutrition, etc. in addition to the routine hygiene measures, and Social factors in health and disease. The name preventive and social medicine has gained wide acceptance in the past … Read more

 Concept of pressure Pressure is the perpendicular force per unit area, or the stress at a point within a confined fluid. The pressure exerted on a floor by a 42-pound box the bottom of which has an area of 84 square inches is equal to the force divided by the area over which … Read more

Health Education in India Medical education in global context has evolved over a period of time and so in India. With changing community needs, educational advancements and technological revolutions, we need to update the method of imparting knowledge and skills to the students. Major components of hidden curriculum like communication skills, attitude, empathy, altruism, professionalism, … Read more

 Safe Drinking and Supply Safe drinking water is the birthright of all humankind – as much a birthright as clean air. The majority of the world’s population, however, does not have access to safe drinking water. This is certainly true in most parts of Africa and Asia. Even in relatively advanced countries such … Read more