DECISION REVIEW SYSTEM Subject : Science & tech / sports Context : The International Cricket Council’s (ICC) cricket committee has made changes to the way lbws will be decided under the Decision Review System (DRS). Concept : The “wicket zone”, the area of the stumps a ball must hit for an on-field not-out […]

    GLASHOW RESONANCE Subject : Science & tech Context : The neutrino observatory in Antarctica sees evidence of Glashow resonance. Concept : In 1959, the physicist Sheldon Lee Glashow predicted that the collision between electron-antineutrino (the antiparticle version of the electron-neutrino) and an electron at rest via the weak (nuclear) force can, at a […]

    C BAND SPECTRUM Subject : Science & tech Context : Intelsat reported a 7% drop in revenue for 2020 after declines in multiple business units, underlining the importance of C-band clearing proceeds for the satellite operator’s recovery efforts. Concept : The C band is a designation by the Institute of Electrical and Electronics […]

    DNA PROFILING Subject : Science & tech Context :Rape-accused to move court after DNA report rules out his paternity. Concept : DNA fingerprinting or DNA profiling is method of isolating and identifying variable elements within the base-pair sequence of DNA. DNA fingerprinting technology is utilised by police all over the world for fool-proof […]

    COVISHIELD Subject : Science & tech Context : India’s drug regulator has allowed the AstraZeneca COVID-19 vaccine to be used for up to nine months from its manufacture date, as opposed to the prescribed six months, according to a document reviewed by Reuters. Concept : COVISHIELD: It is the name given to an […]

    T – CELLS Subject : Science & tech Context :New research: T cells of earlier Covid-19 patients recognise all 3 major new variants. Concept : T Cells T cells are so called because they are predominantly produced in the thymus. They recognise foreign particles (antigen) by a surface expressed, highly variable, T cell […]

    INTEGRATED CIRCUITS Subject : Science & tech Context : As country after country went into lockdown, people ended up buying more computers, phones, and gaming devices as they stayed at home. And since factories were shut, automakers cut down on chip purchases. Concept : An integrated circuit or monolithic integrated circuit (also referred […]

    ASTEROID APOPHIS Subject : Science & tech Context : Recently, the USA’s NASA space agency has ruled out the possibility of the dreaded asteroid Apophis causing any damage to the Earth for the next 100 years. Concept : Asteroid Apophis It is named after the ancient Egyptian god of chaos and darkness. It […]

    UK VARIANT CORONAVIRUS Subject: Science & tech Context: The UK variant of the coronavirus did not appear to be more transmissible than the variant of the virus most common in India, according to a study by scientists at the National Institute of Virology, Pune. Concept: The variant was identified in genomic surveillance by […]