Genetically Modified Crops

Context : The Supreme Court on January 24, 2023 asked the Centre what will happen if the risk of the commercial release of GM Mustard crop is “irreversible”. Background of the Case About the current status of the case About genetic modification (GM) of crops? Process What is the legal position of genetically modified crops … Read more

Big Bang Theory

Context: Lost’ interview of Georges Lemaître rediscovered. The VRT has found in its archives an interview with Georges Lemaître that was thought to be lost. The cosmologist from Louvain was the founder of the big bang theory in the 1920s and 1930s.  Now the entire 20-minute interview has been found.  What is Big Bang Theory?  … Read more

Shukrayaan – 1

Context: P. Sreekumar, the Satish Dhawan Professor at the Indian Space Research Organisation (ISRO) and advisor to its space science programme, said that the organisation is yet to receive approval from the Indian government for the Venus mission and that the mission could as a result be postponed to 2031. About the News What is … Read more

Liquid Mirror Telescope

Context : In early 2022, India’s first liquid-mirror telescope, which will observe asteroids, supernovae, space debris and all other celestial objects from an altitude of 2,450 metres in the Himalayas, saw its first light as it peered into the zenith from the Devasthal observatory in Uttarakhand. Having entered the commissioning phase, it became the world’s first … Read more

Xenotransplantation

Context : U.S. surgeons have successfully implanted a heart from a genetically modified pig in a 57-year-old man, a medical first that could one day help solve the chronic shortage of organ donations. About Xenotransplantation Xenotransplantation is any procedure that involves transplanting cells, tissues or organs from one species to another. Xenotransplants were largely abandoned after … Read more

CRISPR & Gene Editing

About CRISPR Unusual but repeated DNA structures that scientists had been observing were given a name — Clustered regularly interspaced short palindromic repeats or CRISPR. In 2012, scientists discovered that CRISPR is a key part of the “immune system”. For instance, when a virus enters a bacterium, it fights back by cutting up the virus’s DNA. This … Read more

Solar Cycle 25

Context : ASA and the National Oceanic and Atmospheric Administration (NOAA) jointly released a consensus statement announcing the commencement of solar cycle 25. As the star governing our solar system, Sun’s activities impact Earth and the overall space weather. The Indian Express explains how solar cycles are determined, and how they sometimes indicate a ‘quiet’ Sun. What … Read more

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