Olfactory Organ Subject – Science and Tech Context – Researchers at KarolinskaInstitutet in Sweden have found that negative smells associated with unpleasantness or unease are processed earlier than positive smells and trigger a physical avoidance response. Concept – The olfactory system, or sense of smell, is the sensory system used for smelling (olfaction). […]
Tele-Taste TV Screen Subject – Science and Tech Context – Japanese professor creates ‘tele-taste’ TV screen Concept – A Japanese professor has developed a prototype lickable TV screen that can imitate food flavours, another step towards creating a multi-sensory viewing experience. The device, called Taste the TV (TTTV), uses a carousel of 10 flavour canisters that spray […]
Magnetars Subject – Science and Tech Context – Study of distant magnetar reveals facets of the exotic star Concept – A magnetar is a type of neutron star believed to have an extremely powerful magnetic field. Neutron stars are formed when the largest stars in the universe reach the end of their lives. […]
Code of Conduct for Crypto Ads Subject – Science and Tech Context – Code of conduct coming soon for crypto ads Concept – Cryptocurrency industry body Blockchain and Crypto Assets Council (BACC) will soon come out with guidelines for advertising as part of a move towards a setting a code of conduct for […]
Omicron’s Variant Origin Subject – Science and Tech Context – • The latest of the five variants of concern (VOC), omicron, is far more transmissible than its predecessor delta Concept – The SARS-CoV-2 virus, which causes the novel coronavirus disease (COVID-19), is a ribonucleic acid (RNA) virus. It is characteristic of it to […]
Type Of Galaxies Subject – Science and Tech Context – In just our observable universe we estimate there are over 2 trillion galaxies! Concept – There are four main categories of galaxies: elliptical, spiral, barred spiral, and irregular. These types of galaxies are further divided into subcategories while at the same time other […]
Cellular Immunity Subject – Science and Tech Context – ‘AstraZeneca/Covishield kept death rate low in UK’ Concept – Cell-mediated immunity is an immune response that does not involve antibodies. Rather, cell-mediated immunity is the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen. Cellular immunity […]
James Webb Space Telescope Subject – Science and Tech Context – NASA has announced the launch of the James Webb Space Telescope (JWST) at 7.20 am EST (5.50 pm India time) on December 24. Concept – Webb, the world’s premier space science observatory, will succeed the Hubble Space Telescope, NASA’s flagship telescope that […]
Electric Vehicles Subject – Science and Tech Context – EV to be under priority Concept – An EV operates on an electric motor instead of an internal combustion engine and has a battery instead of a fuel tank. In general, EVs have low running costs as they have fewer moving parts and are […]