Daily Current Affairs and News Analysis 20-02-2025

Nauru

  • Nauru, a small island nation in the Pacific, is selling citizenships to raise funds for climate adaptation.
  • The initiative aims to relocate 10,000 residents from vulnerable coastal areas.
  • Citizenship costs at least $140,500, offering visa-free travel to countries like the UK, Singapore, and Hong Kong.
  • Nauru’s plan involves developing a new township, farms, and workplaces on reclaimed land in the island’s interior.
  • Proceeds will help fund the “Higher Ground Initiative,” a project to combat rising sea levels and extreme weather events.
  • The initiative follows similar efforts by Dominica.
  • Nauru’s phosphate mining has left much of the island uninhabitable.
  • Previous citizenship programs faced criticism for potential misuse by criminals.
  • Nauru is taking precautions to avoid past vulnerabilities.
  • The country forecasts raising about $68 million annually from the program.
  • The initiative faces funding challenges due to the significant adaptation financing gap globally.
  • Nauru’s extreme flooding is predicted to worsen due to rising sea levels.

NDSA: Dam Safety First

  • The Supreme Court directed a supervisory committee, chaired by the NDSA head, to address Tamil Nadu’s concerns about Mullaperiyar dam maintenance against Kerala.
  • The committee must find a solution acceptable to both states and report back to the court within four weeks.
  • The committee needs to meet all stakeholders within a week and address the issues raised.
  • Tamil Nadu accuses Kerala of obstructing dam maintenance, citing delays in permissions for materials and machinery, and even routine maintenance like painting and repairs.
  • Kerala is denying permission for essential strengthening works, citing forest and wildlife clearances, according to Tamil Nadu.
  • Tamil Nadu wants the committee to direct Kerala to allow strengthening works, grouting, and tree removal.
  • A previous Kerala proposal to decommission and rebuild the dam was rejected.
  • The NDSA, a statutory body under the National Dam Safety Act, 2021, oversees and regulates dam safety.
  • The body formulates policies and guidelines for dam construction, maintenance, and operation.
  • NDSA has the power to resolve disputes between state dam safety organizations or between organizations and dam owners.
  • The NDSA promotes dam safety awareness programs and ensures emergency response plans are in place.

Evo 2 AI

  • Evo 2, a powerful AI system for genetic research, was created by Nvidia, Arc Institute, and Stanford University.
  • It’s the largest publicly available AI model for genomic data, trained on nearly 9 trillion nucleotides from over 128,000 organisms.
  • Evo 2 was built on the NVIDIA DGX Cloud platform using 2,000 Nvidia H100 processors on Amazon’s cloud infrastructure.
  • The system accurately identified 90% of potentially harmful mutations in the BRCA1 gene.
  • Evo 2 can be used for various biomolecular research applications, including predicting protein function, identifying new molecules, and evaluating gene mutation effects.
  • Applications include healthcare, agricultural biotechnology, and materials science.
  • Evo 2 is freely available through Nvidia’s BioNeMo platform.
  • The technology promises to accelerate biological research, making biological design more accessible and efficient.

Cellulose Bacteria

  • Bacterial cellulose, a natural polymer produced by bacteria, is a potential plant wound-healing material.
  • It significantly improves plant wound healing and regeneration, with over 80% of treated wounds healing in a week compared to less than 20% of untreated wounds.
  • Bacterial cellulose is a sustainable alternative to chemical treatments for plant injuries.
  • It promotes healthier plant growth, potentially increasing crop yields and resilience.
  • The material aligns with eco-friendly agricultural practices.
  • It may also enhance vegetative propagation (growing new plants from cuttings) and be used in agriculture for grafting, preserving cut plant material, or as a growth medium.
  • Bacterial cellulose is composed of hundreds to thousands of carbon, hydrogen, and oxygen atoms.
  • It’s the main substance in plant cell walls, providing stiffness.
  • Humans cannot digest it, but it’s a dietary fiber.
  • Its use in human medicine, often for wound healing, suggests potential for agricultural applications.
  • Bacterial cellulose possesses various beneficial properties such as elasticity, bacterial inhibition, vapor permeability, and low cost for wound healing.
  • Its physicochemical and mechanical properties, water absorption capacity, non-toxicity, and chemical inertness make it suitable for various applications.
  • The cellulose from plants and bacteria has the same molecular formula (C6H10O5)n.

CPCB

  • The Central Pollution Control Board (CPCB) recently reported concerning river water quality at Prayagraj during the Maha Kumbh Mela.
  • CPCB is a statutory organization under the Water (Prevention and Control of Pollution) Act, 1974 and also has powers under the Air (Prevention and Control of Pollution) Act, 1981.
  • It provides technical services to the Ministry of Environment, Forest and Climate Change.
  • Principal functions include preventing and controlling water and air pollution.
  • CPCB advises the central government on pollution control and coordinates with state pollution boards.
  • CPCB delegates powers to regional administrations in Union Territories.
  • CPCB develops environmental standards, industrial documents, and guidelines.
  • It sets standards for streams, wells, air quality, sewage treatment, and industrial emissions.
  • CPCB develops Minimal National Standards (MINAS) for industries, which states must adopt.
  • CPCB’s head office is in New Delhi.
  • CPCB operates under the Ministry of Environment, Forest and Climate Change.

Mishing

  • The Mishing tribe, one of Assam’s largest, celebrated Ali Ai Ligang, their sowing festival.
  • They are an indigenous tribe from Northeast India, part of the Tani people, speaking Tibeto-Burman languages.
  • They live in parts of Assam, Arunachal Pradesh, and historically South Tibet.
  • Tibetans call them “Lhobhas,” meaning “southerners.”
  • The 2011 census counted 680,424 Mishings in Assam.
  • Their lives are closely tied to rivers, making them the only riparian tribe in Northeast India.
  • Culture revolves around agriculture and fishing, originally using the jhum (slash-and-burn) method.
  • They now primarily practice wet paddy cultivation.
  • Ali Ai Ligang, their main festival, celebrates sowing, with “Ali” meaning edible root, “Aye” meaning seed, and “Ligang” meaning sowing festival.
  • Their religion is centered around worshiping the Sun and Moon (Do-nyi-Po:lo).
  • The Mishing language is a Tibeto-Burman language.

OPEC+ Alliance

  • OPEC+ is a group of 22 oil-exporting countries, including 12 OPEC members and 10 others, coordinating crude oil production for market stability.
  • Brazil has joined OPEC+, aiming to leverage its oil production for economic growth.
  • Brazil’s membership in OPEC+ comes despite its upcoming COP30 hosting duties focused on reducing fossil fuels.
  • Brazil will not be bound by production limits.
  • Brazil is the world’s 7th largest oil producer, with oil now exceeding soy as its top export.
  • OPEC+ was formed in late 2016 to establish cooperation between OPEC and non-OPEC producers.
  • OPEC (Organization of the Petroleum Exporting Countries) was established in 1960 with five founding members.
  • The USA is not part of OPEC because it’s a net oil importer.

Orcas

  • Over 150 false killer whales stranded on a Tasmanian beach.
  • 136 whales still alive, but rescue efforts complicated by remoteness and ocean conditions.
  • Local resident discovered the stranded whales.
  • Experts and veterinarians are at the scene.
  • Authorities haven’t requested public help yet.
  • Previous mass stranding events have occurred in the area.
  • Reasons for the beachings are unknown, potential causes include disorientation, illness, old age, injury, predators, and weather.
  • Killer whales are the largest member of the Delphinidae family (dolphins), found globally.
  • They use sound for feeding, communication, and navigation, are highly social in pods, and are recognizable by their black and white bodies.
  • Unihemispheric sleep is a unique sleep method where only one brain hemisphere sleeps at a time.
  • Some types prey on other whales, hence the name “killer whale.”
  • They’re apex predators using coordinated hunting strategies.

Orcas


Vertical Mixer

  • ISRO develops world’s largest vertical propellant mixer (10 tonnes): This mixer is crucial for solid rocket motor production.
  • Collaboration with CMTI: Satish Dhawan Space Centre and Central Manufacturing Technology Institute collaborated on the project.
  • High capacity and precision mixing: The mixer ensures consistent quality and performance in mixing propellant ingredients.
  • Safety and reliability: Designed to handle hazardous materials safely.
  • Large scale: The mixer weighs 150 tonnes and measures 5.4m (L) × 3.3m (B) × 8.7m (H).
  • Advanced technology: Hydrostatic-driven agitators with PLC-based control systems and SCADA stations are used.
  • Improved productivity and quality: The mixer will enhance efficiency in heavy solid motor production.
  • Self-reliance in space sector: This development is part of India’s push for self-reliance in space technology.
  • Critical for India’s spaceflight capabilities: The mixer is expected to significantly advance India’s space program.
  • Formal handover: The mixer was formally handed over on February 13, 2024.

Vertical Mixer


Fusion Power

  • Record-breaking fusion: The WEST Tokamak reactor in France sustained a plasma for over 22 minutes, a significant milestone.
  • Nuclear fusion process: Two light atomic nuclei combine to form a heavier one, releasing vast energy. This occurs because the combined mass of the products is less than the original masses.
  • Plasma state: Fusion reactions happen in plasma, a hot, charged gas of ions and electrons.
  • Stellar power: The sun and stars utilize nuclear fusion.
  • Tokamaks (artificial suns): These doughnut-shaped devices are used to replicate fusion on Earth. Over 200 exist globally.
  • ITER project: The International Thermonuclear Experimental Reactor (ITER) is the world’s largest fusion experiment, currently under construction.
  • Energy generation potential: Commercial fusion reactors could heat water, create steam, and spin turbines to generate electricity.
  • Deuterium-tritium fusion: This type of fusion is a focus for researchers, releasing high energy levels.
  • Fusion vs. fission: Fusion produces significantly more energy per unit of fuel than fission, used in current nuclear power plants.
  • Clean energy: Fusion doesn’t produce radioactive waste or harmful emissions, only helium and neutrons.
  • Abundant fuel: Fusion fuel (heavy hydrogen) is readily available in seawater.
  • Safe operation: Fusion reactions can’t create uncontrolled chain reactions like fission.
  • Sun as example: The sun’s fusion of hydrogen to helium is a prime example.
  • Fusion vs. fission power: Fusion is more powerful than fission, releasing four times more energy per reaction.