Science & Technology Current Affairs MCQs

Notes:
Russia has launched its newest nuclear submarine ‘Khabarovsk’, built to carry the underwater nuclear drone ‘Doomsday Missile’ (Poseidon). Poseidon is an unmanned, nuclear-powered underwater drone capable of carrying a nuclear warhead. It can travel at extremely high speeds and operate at great ocean depths, making it hard to detect or intercept. The missile can travel intercontinental distances underwater and strike coastal targets. It serves as a strategic nuclear deterrent, designed for massive retaliatory destruction in case of a nuclear conflict.

Notes:
A global review has identified 57 new living species of foraminifera. Foraminifera, or forams, are single-celled marine organisms found in oceans, coasts, and estuaries. Most have shells and are either planktonic (float in water) or benthic (live on sea floor). They are generally under 500 microns in size, though some tropical species reach 20 cm. Their name comes from foramen (Latin for window), with holes in shells for pseudopodia to gather food. They eat detritus, diatoms, bacteria, algae, and tiny animals like copepods. Shells are made of calcium carbonate (calcareous) or sand grains (agglutinate) with one or multiple coiled chambers.

Notes:
Google inaugurated its largest Artificial Intelligence (AI) infrastructure hardware engineering centre outside the US in Taipei, Taiwan. The centre will focus on AI infrastructure hardware engineering for Google’s global operations. Technology developed and tested at the centre will be deployed across Google’s global data centres. These AI systems support billions of Google devices and services worldwide. The centre reinforces Taiwan’s role as a key hub for global AI innovation.

Notes:
A 3.5-billion-year-old crater on Mars is named after Indian geologist M. S. Krishnan. The naming was approved by the International Astronomical Union. The International Astronomical Union was founded in 1919. It promotes astronomy research, education, and global cooperation. It standardizes astronomical constants and naming of celestial bodies. It alone has the authority to name planets, craters, and space features. It holds a General Assembly every three years. Its headquarters is in Paris.

Notes:
The Union Minister for Ports, Shipping and Waterways (MoPSW) launched the steel-cutting ceremony for India’s first all-electric green tug for Deendayal Port Authority (DPA) under the Green Tug Transition Programme (GTTP). Green Tug Transition Programme (GTTP), launched by Ministry of Ports, Shipping and Waterways (MoPSW), aims to shift India’s harbour tugs from diesel to green propulsion. A total of 50 green tugs will be inducted by 2030, with 16 tugs in Phase-1 (2024–2027). National Centre of Excellence in Green Port & Shipping (NCoEGPS) is the nodal agency. Tugs use Green Hybrid Propulsion and will later adopt methanol, ammonia, and hydrogen as non-fossil fuels.

Notes:
Scientists at the Bose Institute, Kolkata have developed GlowCas9, a CRISPR protein that glows during gene editing. It is a bioluminescent Cas9, created by fusing Cas9 with a split nano-luciferase enzyme from deep-sea shrimp proteins. GlowCas9 is highly stable, retaining structure and activity even at higher temperatures. When Cas9 folds correctly, the luciferase pieces reconnect and produce light, enabling real-time, non-harmful tracking of gene editing in cells, tissues, and plant leaves. It improves the precision of Homology-Directed Repair (HDR), a key DNA repair process for genetic diseases like sickle cell anaemia and muscular dystrophy. GlowCas9 advances theratracking, the visual monitoring of molecular gene therapy in action.

Notes:
AIIMS, New Delhi has conducted India’s first clinical trial of an indigenously evaluated advanced stroke treatment device named the Supernova Stent, marking a major milestone in India’s medical research and device innovation. The Supernova Stent is specifically designed for India’s diverse patient population, where strokes tend to occur at a younger age compared to Western countries, making it more suitable for local clinical needs. AIIMS highlighted that this is India’s first stroke intervention device to receive clearance based entirely on a domestic clinical trial, strengthening confidence in indigenous clinical research capabilities.

Notes:
The Minister of Fisheries, Animal Husbandry and Dairying informed Rajya Sabha about white spot disease. It is a highly contagious viral infection affecting crustaceans like prawns, yabbies and crabs. It is caused by White Spot Syndrome Virus (WSSV). All decapod crustaceans (order Decapoda) from marine, brackish and freshwater environments are susceptible.

Notes:
Scientists recently discovered a genetic process that could lead to new treatments for Candida auris (C. auris). Candida auris is a multi-drug-resistant fungal pathogen first identified in Japan in 2009. It can live on skin, inside the body (e.g., gut), or in the environment and cause invasive infections like bloodstream infections, meningitis, bone infections, wound infections, and urinary tract infections. Transmission mainly occurs in healthcare settings through contaminated surfaces or person-to-person contact. The fungus can cause asymptomatic colonization or enter the bloodstream/wounds causing severe infections.

Notes:
The first Param Rudra supercomputer in Bihar was inaugurated at the Indian Institute of Technology (IIT) Patna. The facility has been established under the National Supercomputing Mission (NSM) and was launched by the Ministry of Electronics and Information Technology (MeitY). It is the first Param Rudra supercomputer set up in any institute or government office in Bihar. The supercomputer will enable students, faculty, and researchers to perform complex computing across multiple scientific fields.