Science

Properties of paints  Exterior paint is exposed to all types of varying weather conditions. Exterior paint is therefore required to provide protection against UV radiation of the sun as well as fungal growth.  It’s made to combat mildew as well as fading. In addition, they have to be fade resistant as they face … Read more

Neutrinos are the elementary particles found in the universe, which have no charge and have very little mass. They are electrically neutral and have weak interactive force. They are generally formed in the nuclear core of the sun. Radio active decay is also one of the source of neutrinos. They have the unique property of … Read more

:  The polymerase chain reaction is a technique for cloning a particular piece or amplifying a single or few copies of a piece of DNA, generating millions or more copies of that particular DNA sequence. One can make virtually unlimited copies of a single DNA molecule even though it may initially be present in a … Read more

In zigzag kilns, bricks are arranged to allow hot air to travel in a zigzag path. The length of the zigzag air path is about three times that of a straight line, and this improves the heat transfer from the flue gases to the bricks, making the entire operation more efficient. In addition, better mixing … Read more

IndiGen Programme aims to undertake whole genome sequence of thousands of individuals representing diverse ethnic groups from India. It also strives to enable genetic epidemiology and develop public health technologies applications using population genome data. IndiGen  project selected the 1000-odd persons from a pool of about 5,000 and sought to include representatives from every state … Read more

DRDO is the R&D wing of Ministry of Defence, Govt of India, with a vision to empower India with cutting-edge defence technologies and a mission to achieve self-reliance in critical defence technologies and systems, while equipping our armed forces with state-of-the-art weapon systems and equipment in accordance with requirements laid down by the three Services. … Read more

Ayurveda ‘ Ayurveda’ literally means “Science of Life”. Ayurveda is evolved from the various Vedic hymns rooted in the fundamental philosophies about life, disease and health. The Charak Samhita and Sushruta Samhita developed around 2500 BC are the main treaties of Ayurveda fully available today. Yoga Yoga is essentially spiritual and it is an art … Read more

Pathogenic Bacteria These bacteria cause great losses to plant and animal popula­tion by causing several diseases. Reduction of Soil Fertility Some facul­tative anaerobic bacteria are available mostly in the oxygen deficient soil which reverse the nitrifying process, thereby causing the loss of a part of its combined nitrogen. They break down the nitrates in a … Read more

Chandrayaan-2 mission was a highly complex mission, which represents a significant technological leap compared to the previous missions of ISRO. It comprised an Orbiter, Lander and Rover to explore the unexplored South Pole of the Moon. The mission was designed to expand the lunar scientific knowledge through detailed study of topography, seismography, mineral identification and … Read more

Chikungunya is a viral disease (genus Alphavirus) which is transmitted to humans by infected mosquitoes – including Aedes aegypti and Aedes albopictus. The name chikungunya originates from a verb in the Kimakonde language, meaning ‘to become contorted’. This refers to the ‘stooped’ appearance of those suffering with joint pain. Symptoms Symptoms appear between 4 and 7 days after the … Read more