Redshift and Blueshift Subject: Science and Technology Section: Space Technology Context: NASA’s release of five images from the early work of the James Webb Space Telescope grist for further research and Astrophysicist Dipankar Bhattacharya glimpse the origins of life through the ‘eyes’ of the James Webb. Content: Significance of James Webb Webb is […]
Superconductors Subject: Science and Technology Section: Nanotechnology Context: The Indian Institute of Science (IISc) has achieved a breakthrough what they call ‘Au-Ag Nanostructures’. Content: Superconducting materials work only in ultra-cold conditions. So, an engineered material called ‘Au-Ag Nanostructures’ is being developed. Silver particles, a billionth of a metre in size, are embedded into […]
Anti-ageing Subject: Science and Technology Section: Biotechnology Context: A recent paper titled ‘Nicotinamide mononucleotide (NMN) as an anti-ageing health product — Promises and safety concerns’, published by a group of researchers from China and New Zealand, has raised several concerns. Content: Ageing occurs because of a process called ‘mitochondrial decay’. Mitochondria are part […]
SC501 to target CSC Subject: Science and Technology Section: Biotechnology Context: A ‘small molecule drug’ that messes with the mechanism of cancer spread has been discovered. Content: Stem cells from cord blood if preserved, can be used to regenerate body parts such as a damaged organ or a broken bone. CSC (cancer stem […]
China launches second space station module- Wentian Subject : Science and Technology Section: Space Context: China on Sunday launched the second of three modules to its permanent space station, in one of the final missions needed to complete the orbiting outpost by year’s end. The 23-tonne Wentian (“Quest for the Heavens”) laboratory module […]
Rise and fall of cholera-causing bacteria lineage Subject: Science and Technology Section: Disease Context: Researchers identify the decline of antimicrobial resistance in O139 as a key determining factor in its downfall Cholera It is a life-threatening infectious disease and a public health hazard. It is caused by a comma-shaped bacterium known as Vibrio […]
WHO reports 14000 cases of monkey pox across the globe? Subject :Science and technology Section: Disease Context: Context: The World Health Organization has confirmed 14,000 cases of monkey pox worldwide, With five deaths reported in Africa Monkeypox Virus: Monkeypox is a viral zoonotic disease that occurs primarily in tropical rainforest areas of central […]
Vaccines to prevent antimicrobial resistance: Accelerate trials for priority candidates, says WHO Subject :Science and technology Section: Biotechnology Context: Context: The World Health Organization (WHO) has, for the first time, identified 61 vaccines in various stages of clinical development that will protect against infection caused by pathogens that have become resistant to antimicrobials […]
Spike protein Subject :Science and Technology Section: Biotechnology A study has identified specific mutations within the spike proteins of the novel coronavirus that help Omicron subvariants evade antibodies. These antibodies can be from vaccines or previous COVID-19 infections. Concept: Spike protein protrudes from the surface of a coronavirus, like the spikes of a crown or […]
Though critical for entering 5G race, why does 700MHz band find no takers? Subject : Science and Technology Section: Awareness of IT The 700MHz has gained massive acceptance among the telcos owing to its many inherent advantages the premium 700MHz band remained unsold yet again owing to its high reserve price in the […]