Science and Technology Notes

Diabetes is a widespread disease that affects all age groups and causes lifelong health problems. Read here to know about types, symptoms, and other facts about diabetes.  World Diabetes Day is observed on 14th November every year since 2006. The day was created in 1991 by IDF and the World … [Read more...] about Diabetes: Symptoms, Types, and Care

What is the S-400 defence system? What are the technical qualities of it? Why are US and India at an impasse in this regard? Know more here. The S-400 Air Defence System is in news. The U.S. had discouraged India from proceeding with the acquisition of S-400 missile defence systems from … [Read more...] about S-400 Air Defence System

What is a stem cell? What are the types of stem cells? How is a stem cell different from a normal cell? Read to know about stem cell therapy and related regulations in India. Stem cell therapy, stem cell banking, stem cell preservation etc are terms that are often in news. Do you know what is … [Read more...] about Stem Cells: Therapy, Banking, and Regulations

What is a Blackhole? How is a black hole formed? What are the discoveries made related to black holes? Read to know all about it here.  A black hole is not a 'black hole'. It is not an empty hole or space. Black holes are points in space that are so dense they create deep gravity … [Read more...] about Black holes: A simple explanation

What are vaccines and their types? What are the types of COVID-19 vaccinations? What is the economic aspect of vaccine development? Know here. Acquired immunity is immunity one develops over a lifetime. It can come from a vaccine, exposure to an infection or disease, or another person’s … [Read more...] about Vaccine: Definition, Types and Economic aspect

What is the Phosphorus cycle? What are the significant roles of phosphorus in the ecosystem? Read to know more. Phosphorus is an essential nutrient found in the macromolecules of humans and other organisms, including DNA and the phospholipids that form our cell membranes. Calcium phosphate also … [Read more...] about Phosphorus Cycle

What is the Sulphur cycle? What is the role of sulphur cycle in the natural processes of the earth? Read to find out more. Sulphur (S), also spelled sulfur, is a nonmetallic chemical element and one of the most reactive of the elements. Pure sulfur is a tasteless, odorless, brittle solid, and … [Read more...] about Sulphur Cycle

What is Oxygen Cycle? How is it vital for sustaining life on earth? Read to know more about the importance of the oxygen cycle. Oxygen is one of the most vital elements on Earth and the most common element of the human body. Oxygen constitutes about 65% of the mass of the human body and most of … [Read more...] about Oxygen Cycle

What is the nitrogen cycle? How is nitrogen important to the earth and living organisms? Read to know more. Nitrogen is the most abundant element in our atmosphere- approximately 78% of the atmosphere, hence is crucial to life. Nitrogen is found in soils and plants, in the water, and the air. It … [Read more...] about Nitrogen cycle

What is the carbon cycle? What is its role in nature? What is the importance of Carbon for living organisms? Read here. Carbon is the foundation of all life forms on Earth. Carbon is a minor constituent of the atmosphere but it is vital for carbon dioxide production, carbohydrates by … [Read more...] about Carbon cycle