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Science, Ecology, Disaster Management, Technology and Environment by Akshay Vrat

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@akshayvratанглийский

A channel for creating a network of serious UPSC aspirants to help them with the subject of S&T, Ecology, Envn and Disaster Management related current affairs

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  • 10 февр.1 62832

    https://youtu.be/S-ESzMYF6OQ?si=8q6Dmhztvueh0twD

  • https://youtube.com/shorts/cOvodao6G4E?si=THdvS8YHcivNhVBH

  • Students, Please share it with someone who needs it.

  • 7 февр.1 46312

    https://youtube.com/shorts/ObSwWgV_wVY?si=abNDbRjdNgCWI3qX

  • 30 янв.1 6329

    без подписи

  • 28 янв.1 58554

    😟 Worried about Science & Technology, Environment and Ecology Current Affairs for Prelims 2026? 👉 Think no further! 📚 Join the Prelims Current Affairs Batch for Science & Environment ⭐ Highly recommended for Prelims 2026 👨‍🏫 By Akshay Vrat Sir (Teaching experience of over 12 years) 🕒 30 hours of well-curated topics, notes & 100 practice questions 📰 Covers all important Current Affairs (From 1st January 2025 to 31st March 2026) 📅 Starting from 10th Feb 2026 📞📲 Call or WhatsApp: 9667382273

  • 7 янв.1 46042

    ESCAPADE MISSION #spacetechnology NASA’s twin-spacecraft Mars mission ESCAPADE was launched aboard Blue Origin’s New Glenn rocket from Cape Canaveral Space Force Station in Florida. • ESCAPADE (Escape and Plasma Acceleration and Dynamics Explorers) is a twin-spacecraft Mars mission by NASA to study how the solar wind strips away the Martian atmosphere. • Part of NASA's SIMPLEx programme for independent planetary science missions using small, low-cost spacecraft. • Aims to examine Mars' hybrid magnetosphere and explain how solar-wind interaction drives long-term atmospheric loss into space. • Twin Spacecraft: The mission deploys two identical small satellites, Blue and Gold. • ‘Launch and Loiter’: The spacecrafts were placed early into a fuel-efficient holding orbit around the Earth Sun Lagrange point 2 (L2) to wait for the correct Earth Mars alignment.

  • 7 янв.1 3071

    Blue Ghost Lunar Mission #spacetechnology #lunarexploration #Artemisprogram Firefly Aerospace’s Blue Ghost is the second private mission to achieve a lunar landing. Landing Site: Mons Latreille, a volcanic formation in Mare Crisium. Objective: Conduct scientific research, test new technologies, and support NASA’s Artemis program. It will deliver 10 S&T instruments to the lunar surface as part of NASA’s Commercial Lunar Payload Services (CLPS) initiative. First commercial lander to achieve a stable lunar touchdown. It will conduct several first-of-its-kind demonstrations, including testing regolith sample collection, Global Navigation Satellite System abilities, radiation tolerant computing, and lunar dust mitigation.

  • 7 янв.1 11311

    BIOMASS MISSION #biomassmission #esa #globalwarming #climatechange Part of the European Space Agency's (ESA) Earth Explorer Programme. Objective: Measure global forest biomass and carbon stocks to improve climate change modelling. Key Technology: World’s first satellite using P-band Synthetic Aperture Radar (SAR), capable of penetrating dense forest canopies to estimate tree mass. Orbit & Design: Sun-synchronous orbit at ~666 km altitude; equipped with a 12-metre deployable radar antenna. Additional Uses: Tracks forest change over time, carbon fluxes, ice-sheet movement in Antarctica, and maps terrain under dense vegetation.

  • 6 янв.1 062

    https://youtube.com/shorts/VKd_Ff4hnrM?si=CeX6BRMzJ4CuimJV

  • 29 дек.1 1213

    1st ASSEMBLY MEETING OF INTERNATIONAL BIG CAT ALLIANCE #Ibca #conservation #biodiversity The 1st assembly of the IBCA convened in New Delhi, endorsed the India's Union Minister of Environment, Forest & Climate Change as the President of IBCA. The Assembly is the APEX BODY of the IBCA. IBCA is a multi-country, multi-agency coalition of 95 BIG CAT RANGE COUNTRIES, non-range countries interested in big cat conservation - Tiger, Lion, Leopard, Snow Leopard, Cheetah, Jaguar, & Puma.

  • 29 дек.1 00511

    ROLE OF AI IN CRIMINALJUSTICE #artificialintelligence #communicationtechnology India is using AI-based tools like CCTNS, ICJS & AFRS to modernize policing & justice delivery. Goals: These systems aim to enhance governance, transparency & efficiency in criminal justice processes. BIASED DATASETS: AI tools are trained on socially skewed data reflecting caste, class, gender and regional inequalities. RIGHTS IMPACT: With 66% of prisoners from Dalit, Adivasi or OBC groups (NCRB 2018), AI risks reinforcing existing systemic bias. E.g. A 2018 MIT study showed that facial recognition systems had just 0.8% error for White men but 34.7% for dark-skinned women. WARNING SIGNS: Use of ChatGPT in judicial decisions & global examples like the COMPAS algorithm show how AI can deepen discrimination. Crime and Criminal Tracking Network and Systems (CCTNS): A nationwide database connecting police stations to digitize FIRs, track criminals & investigation efficiency. Inter-operable Criminal Justice System (ICJS): Integrates police, courts, prisons, prosecution & forensics for seamless data sharing across justice institutions. Automated Facial Recognition System (AFRS): AI-based system to identify suspects & missing persons using facial image databases from CCTV and Official records. Future Course of Action: REGULATION: Enact laws ensuring transparency, data protection, ethical standards & grievance redressal. DATA REPRESENTATION: Ensure datasets include diverse social realities like caste, gender, rural voices. HUMAN-IN-THE-LOOP SYSTEMS: AI should assist, not replace, human judicial decision-making. RIGHTS-CENTRIC DESIGN: AI must be developed with focus on the marginalised to promote equity & access to justice.

  • India's Bioeconomy Status and Role of AI in Bioeconomy #biotechnology #Bioeconomy India's Bio economy has grown from $10 billion in 2014 to $165.7 billion in 2024, with a target of $300 billion by 2030. Contributes 4.25% to GDP with a 17.9% compound annual growth rate (CAGR) over past four years. The government aims to make India a global bio-manufacturing hub driven by innovation, sustainability, and inclusive development. AI in BIOECONOMY REAL-TIME MONITORING: AI systems process thousands of data points per second, detecting temperature drifts, pH variations, and cell growth changes. DIGITAL TWINS: Virtual manufacturing plant replicas enable simulation, testing, and problem prediction without touching real equipment. Predictive Maintenance: AI prevent failed batches, reduce waste, & ensure consistent quality standards. PROCESS OPTIMIZATION: Automated adjustments maintaining batch quality and reducing human intervention.

  • Aircraft Accident Investigation Bureau (AAIB) and CHICAGO CONVENTION #airindiacrash #aviation AAIB is India’s primary agency for investigating aviation accidents. Established in 2012. It is an attached office under the MINISTRY OF CIVIL AVIATION. Before AAIB, such investigations were handled by Directorate General of Civil Aviation. Central office: New Delhi. It fulfils India's obligations under ANNEX 13 of the CHICAGO CONVENTION, 1944. It functions under the Government of India’s State Safety Programme (SSP). Functions: Investigates all accidents/major incidents involving aircraft over 2250 kg or turbojet aircraft in India. Classifies safety occurrences into Accidents, Serious Incidents, and Incidents. Publishes final reports for global aviation authorities. CHICAGO CONVENTION Convention on International Civil Aviation (Chicago Convention), was signed at Chicago in 1944. Came into force in 1947. Purpose: To establish rules of airspace, aircraft registration, and safety. To promote cooperation in international civil aviation. To lay the foundation for the International Civil Aviation Organization (ICAO). ICAO is a specialised agency of the United Nations.

  • RUDRASTRA VTOL drone and India's Drone Initiatives #rudrastradrone #defencetechnology #dronetechnology Rudrastra is a hybrid VTOL Unmanned Aerial Vehicle (UAV) with autonomous strike capability. Vertical Take-Off and Landing (VTOL) drones operate without runways, enabling use in confined terrains. It combines rotary lift for take-off and fixed-wing flight for extended range. Developed by Solar Defence and Aerospace Limited in collaboration with the Indian Army. Range & Endurance: Mission radius of 50 km, total range of 170 kilometres, & endurance of 1.5 hours. Warhead Capability: Equipped with an 8-kilogram airburst munition for wide-area anti-personnel use. Precision Targeting: Uses GPS and onboard sensors for accurate strike delivery. Autonomous: Executes loiter, strike, and return functions without manual input. INDIA'S MILITARY DRONE DEVELOPMENT iDEX (Innovations for Defence Excellence): Supports startups in developing indigenous military drones. Make-I & Make-II Projects: Promotes domestic design and prototype of UAVs under defence procurement. SWiFT UAV Program: Scaled-down stealth drone prototype under development by DRDO. Rustom UAV Series: DRDO-led medium-altitude long-endurance drone program for surveillance and strike. High-Altitude Logistics Drone Project: Army initiative to deploy drones for supply missions in the Himalayan regions.

  • International Maritime Organisation and Liabilities for Environmental Damages #marinepollution #environment #ecology #internationalmaritimeorganisation INTERNATIONAL MARITIME ORGANISATION IMO UN specialised agency established in 1948 regulating international shipping for safety, security, & environmental protection. Headquarters: London. Members: 176 members. India joined the IMO in 1959 and is regularly elected to its Council, shaping global maritime norms. It frames binding rules on ship design, operation, crew standards, and pollution control. Functions through various committees likeMaritime Safety Committee (MSC) and Marine Environment Protection Committee (MEPC). Flag State Responsibility: The country whose flag the ship flies ensures compliance with IMO rules through certification and inspections. In India the Directorate General of Shipping is India’s maritime authority under the Ministry of Ports, Shipping and Waterways. It is responsible for implementing IMO conventions in India. LIABILITIES FOR CARGO LOSS AND ENVIRONMENT DAMAGES CARGO LOSS CLAIMS: Ship owners compensate BILL OF LADING holders for lost cargo. UNLIMITED ENVIRONMENTAL LIABILITY: Ship owners are fully liable without any cap for pollution damage under international conventions. INSURANCE SUPPORT: Protection and Indemnity (P&I) Clubs cover liabilities like oil spills, cargo loss, and third-party injury. BILL OF LADING It is a contract between the shipper and ship owner specifying cargo details and delivery terms. Acts as a title document, passing ownership to the consignee after payment. The bill holder has legal rights to claim for cargo loss or damage. PROTECTION AND INDEMNITY (P&I) CLUB P&I Clubs are associations that insure ship owners against third-party liabilities. Members pool resources to cover high-cost claims like oil spill cleanup or legal penalties. They help reduce the financial burden on ship owners in major maritime accidents. BUNKERS CONVENTION (2001): Covers oil pollution from fuel; Strengthens liability for bunker-related spills; India is a member. NAIROBI WRECK CONVENTION (2007): Mandates for wreck removal; Applies up to 200 nautical miles from the coast; The convention is administered by the IMO and provides a uniform legal framework for wreck removal; India is a Member. Cost Burden: All salvage and environmental restoration costs fall on the ship owner. Government Action: If the owner fails, coastal states can act and later recover costs from the owner. Application in India: India enforces this under DG Shipping rules, as seen in the MSC ELSA 3 case. BALLAST WATER CONVENTION (2004): Prevents invasive species via ballast; India is NOT a member. HNS CONVENTION (2010): Covers Hazardous and Noxious Substances (HNS) cargo liability; India is NOT a member.

  • AIR INDIA BOEING CRASH VICTIM DNA IDENTIFICATION #dnaanalysis #aicrash #biotechnology DNA analysis or DNA profiling was performed to identify the remains of those killed in the accident. Methods of DNA analysis: SHORT TANDEM REPEAT (STR) ANALYSIS STR analysis is a DNA profiling method that examines specific regions in the DNA where short sequences of bases (2–6 base pairs) are repeated in tandem. After analysing 15 or more of these hyper-variable regions of DNA, the resulting profile can be used to ascertain family relationships. Can be performed on very small/degraded DNA samples, making it suitable for forensic investigations. The number of repeats at STR regions varies significantly between individuals, making it ideal for personal identification. MITOCHONDRIAL DNA (mtDNA) Analysis mtDNA analysis is used when nuclear DNA is degraded or unavailable, especially in old or poorly preserved human remains. Unlike nuclear DNA, mtDNA is found in the mitochondria and exists in multiple copies per cell. Since mtDNA is inherited maternally and remains largely unchanged, it can be used to identify individuals by matching samples with maternal relatives. Y CHROMOSOME ANALYSIS In this method, a panel of STR on Y chromosomes is examined to match the remains of the victim with their male relatives. This can be useful when close relatives are not available for comparison: any member of the paternal line may be used for matching. SINGLE NUCLEOTIDE POLYMORPHISM A SNP is a variation in the DNA sequence where a single base - A, C, G, or T, at a specific location differs among people. Each SNP represents a difference in a single DNA building block, called a nucleotide. SNPs occur normally throughout a person’s DNA. They occur almost once in every 1,000 nucleotides on average, which means there are roughly 4 to 5 million SNPs in a person's genome. Since SNPs are unique to individuals, they can be used for identification by comparing DNA from personal items like a toothbrush or hairbrush with reference samples. The method is typically used when the DNA to be analysed is highly degraded. However it is not as effective as STR analysis.

  • GLOBAL OCEAN DARKENING #oceandarkening #marinepollution #biodiversity A study shows 21% of global oceans have darkened in 20 years. Ocean darkening refers to the SHRINKING OF THE PHOTIC ZONE. 21% of global oceans have darkened between 2003–2022. Most prominent darkening was observed in open oceans, particularly in climate-sensitive zones like the Arctic, Antarctic and the Gulf Stream region. CAUSES: AGRICULTURAL RUNOFF: Excess fertilisers, sewage & organic waste enter oceans via rivers, triggering algal blooms blocking sunlight from penetrating the water. INCREASED SEDIMENTATION: Driven by soil erosion, deforestation, land-use changes & intensifying monsoons, increases the flow of sediments into the ocean. PLANKTON DYNAMICS: Climate change alters phytoplankton composition, impacting how sunlight is absorbed or reflected. RISING SEA SURFACE TEMPERATURE: Warmer waters change biological productivity and circulation patterns disrupting light penetration. OCEAN CURRENTS: Altered ocean currents redistribute nutrients & sediments unevenly. IMPACTS: MARINE BEHAVIOURS: Affects species feeding, migration and reproduction cycles, disturbing the balance of marine ecosystems. LOSS OF SPECIES: Disruption of light-sensitive organisms like Calanus copepods signals broader threats to marine food chains. CARBON SEQUESTRATION: Ocean darkening reduces phytoplankton productivity, limiting CO₂ absorption & weakening the ocean’s climate-buffering role. LIVELIHOODS AT RISK: Shrinking fish stocks and species migration threaten coastal economies, food security and public health.

  • BIOSTIMULANTS and FERTILIZER ORDER #biostimulants #sustainableagriculture #agriculture Biostimulants are natural or biologically derived substances that enhance plant growth and resilience, especially under both biotic and abiotic stress conditions like drought, heat or pests. Unlike traditional fertilizers (which provide direct nutrients like N, P, K), biostimulants improve nutrient uptake efficiency & boost plant metabolism. Category of biostimulants: Biological (Seaweed Extracts), Organic (Humic, Fulvic Acid), Protein based compounds (Amino Acid Blends), Bio-chemicals (Antioxidants, Anti-transpirants), etc. Regulated by: Ministry of Agriculture and Farmers Welfare under FERTILISER CONTROL ORDER (FCO), 1985. In 2021, biostimulants were officially added as a distinct category of Agri-inputs. FERTILIZER CONTROL ORDER 1985 Issued under the Essential Commodities Act, 1955 TO REGULATE THE QUALITY, PRICING & DISTRIBUTION of fertilizers in India. It ensures that fertilizers meet minimum quality standards to protect farmers and crops. Prevents sale of substandard or adulterated fertilizers that degrade soil health & crop productivity. Regulates: Nutrient content (N – Nitrogen, P – Phosphorus, K – Potassium) Physical properties (e.g., color, granule size, texture) Impurity levels & harmful substances.

  • INDIAN DRONES And COUNTER DRONE INITIATIVES #dronetechnology #defencetechnology #counterdrone DRONE SYSTEM DEVELOPED BY INDIA: ABHYAS Developed by DRDO-ADE, Bengaluru Key feature: High-speed expendable aerial target for missile testing. GHATAK / SWiFT Developed by DRDO-ADE Key feature: Stealth UCAV for deep strike operations. CATS Warrior Developed by: HAL + NewSpace R&D Key feature: AI-enabled swarm drone under CATS programme. RUSTOM-1/2 Developed by: DRDO-ADE Key feature: Long-endurance UAVs for ISR missions. TAPAS BH-201 Developed by: DRDO-ADE Key feature: Medium Altitude Long Endurance (MALE) UAV. IMPERIAL EAGLE Developed by: DRDO + CSIR-NAL Key feature: Lightweight UAV for tactical ISR missions. LAKSHYA Developed by: DRDO-ADE Key feature: Target drone used for weapon testing. NETRA V2 Developed by: DRDO + IdeaForge Key feature: Mini-UAV for police, disaster management. NISHANT Developed by: DRDO-ADE Key features: Tactical UAV for battlefield reconnaissance. GOLDEN HAWK & PUSHPAK Developed by: DRDO + CSIR-NAL Key features: Trainers and utility drones in development pipeline. INDIAN COUNTER-DRONE DEFENCE: India uses INTEGRATED AIR COMMAND AND CONTROL SYSTEM (IACCS), S-400, Akash & MR-SAMs, both soft-kill (jamming) & hard-kill. IACCS is an automated air defence network developed by Indian Air Force to integrate sensors, weapons, & command centers for real-time tracking & neutralization of aerial threats, including drones & missiles AKASHTEER: It integrates with the Indian Air Force’s integrated command network for real-time tracking. BHARGAVASTRA: Fires 64 micro-rockets in salvos to eliminate drone swarms. DRDO’s ANTI-DRONE SYSTEM: Offers 360-degree radar coverage, with both jamming (soft kill) and laser (hard kill) capabilities. Drones can be detected up to 4 km away, and neutralised within a 1 km radius. INDRAJAAL: An AI-powered grid from Hyderabad startup that combines jammers, spoofers, and intelligence to protect areas up to 4,000 sq km. Already deployed at naval sites in Gujarat and Karnataka.