UPSC Current Affairs 24 August 2026

• 42 Bird Species: Walkers successfully tracked and logged 42 unique bird species.
• 300+ Individual Birds: More than 300 birds were actively spotted and monitored.
• 40 Tree Species: Participants identified 40 distinct varieties of trees.
• 150+ Painted Storks: A major highlight was observing over 150 Painted Storks nesting around the pond.
• "Ringo" the Stork: Expert guides highlighted a resident male Painted Stork named 'Ringo' nesting here for 4 consecutive years.

• Expert Supervision: Scientist-D Dr. C.R. Magesh led tree identification, while ornithologist Dr. Paritosh Ahmed spearheaded bird-watching.
• Strict Size Cap: Events limit entry to 20–25 participants to preserve the quality of the learning experience.
• Mandatory Registration: Wildlife enthusiasts must register via a Google Form on the official Delhi Zoo Portal or the ‘NZP Sathi’ mobile app.
• Next Event Slated: The zoo will host a 'Sunday Reptile, Amphibians and Mollusc Walk' alongside the next Bird Walk on August 30, 2026.

• Democratising Education: Ensuring that technical upskilling opportunities are not restricted by geographic barriers or socioeconomic backgrounds.
• Viksit Bharat Vision: Aligning with the government's mandate of creating an inclusive, future-ready workforce for a developed India.
• Employer Alignment: Tackling structural unemployment by matching regional youth with direct employer networks.

• Foundational Literacy: Providing 1.5 lakh (150,000) learners with self-paced foundational courses in AI and cloud basics via official AWS digital content.
• Intensive Program: Enrolling 10,000 selected candidates into the advanced, 12-week instructor-led AWS re/Start program.

• Cloud Infrastructure: Essential knowledge about servers, cloud-based data storage, and network systems.
• Core Coding & Security: Dedicated modules covering security practices, basic programming, and relational databases.
• AI Fundamentals: Applied knowledge regarding artificial intelligence and machine learning pipelines.

• 100% Online: The entire project will be administered digitally by Cultus Education, bypassing the need for physical relocation.
• Tier-2 and Tier-3 Focus: Explicitly designed to benefit small-town youth and underserved regional communities across all Indian States and Union Territories.

• Global Certifications: Graduates completing the rigorous path will earn official, industry-recognised AWS Certifications.
• Direct Interviews: The AWS re/Start cohort model automatically connects certified individuals with hiring pipelines at local tech organizations.
• National Hackathon: The training culminates in a massive nationwide hackathon where participants present built solutions directly to IT sector hiring managers.

• The "Horn" is a Tooth: The iconic tusk is not a horn; it is an elongated left canine tooth that grows straight through the upper lip.
• Tusk Measurements: The spiral tusk can reach lengths of up to 10 feet (3 metres) and weigh over 10 kilograms.
• Gender Dominance: The tusk is primarily found on male narwhals. Only about 1.5% of females develop a small tusk. On very rare occasions, a male may grow a double tusk.
• No Enamel: Unlike normal teeth, narwhal tusks lack a protective enamel coating, consisting instead of a soft outer cementum and a dense inner dentin layer.
• Sensory Organ: The tusk contains 10 million nerve endings, acting as a sensory probe to detect changes in water temperature, pressure, and salt salinity.
• Body Features: They have a stout, torpedo-shaped body without a dorsal fin, which helps them navigate smoothly beneath heavy Arctic pack ice.

• High Arctic Dwellers: Narwhals live exclusively in the icy waters of the Arctic Ocean, primarily around Canada, Greenland, Norway, and Russia.
• Deepest Divers: They are among the deepest-diving marine mammals, plummeting up to 5,900 feet (1.8 km) into pitch-black waters and holding their breath for up to 30 minutes.
• Social Structure: They are highly social animals that live and travel in pods generally averaging 15 to 20 individuals, though super-pods of thousands assemble during seasonal migrations.
• Echolocation: Because they hunt in absolute darkness under thick winter ice sheets, they rely heavily on specialized clicks, buzzes, and sonar echolocation to navigate and map their surroundings.

• Specialized Diet: Narwhals are suction feeders that vacuum up prey including Greenland halibut, Arctic cod, polar cod, squid, and shrimp.
• Natural Predators: Their primary natural threats include killer whales (orcas), polar bears, and occasionally Greenland sharks. Polar bears often trap them at small breathing holes in freezing sea ice.

• IUCN Status: Categorised globally as Least Concern / Near Threatened depending on specific regional stocks.
• Climate Change Vulnerability: They are highly sensitive to global warming because they rely entirely on steady, predictable sea ice coverage for survival and feeding.
• Human Impacts: Increased industrial shipping lanes in melting Arctic corridors create harmful noise pollution that disrupts their acoustic communication.
• Cultural Significance: Indigenous Inuit communities legally hunt narwhals sustainably, utilizing their meat, blubber (muktuk), and skin for nutritional survival and cultural traditions.

• Definition: A holistic land management practice that goes beyond "sustainability" (maintaining resources) to actively restore and heal soil vitality, biodiversity, and water systems.
• Core Philosophy: Moving away from chemical/extractive farming to mimic natural ecosystems ("farming with nature, not against it").

• Minimising Soil Disturbance: Restricting mechanical plowing (tillage) to protect biological networks inside the soil.
• Maintaining Soil Cover: Using plant residue and mulch to shield the topsoil from erosion and evaporation.
• Maximising Biodiversity: Cultivating diverse plant species, crops, and beneficial insects to naturally cycle nutrients.
• Integrating Livestock: Reintroducing cattle and animals into fields to supply natural manure and disrupt pest cycles.
• Eliminating Synthetics: Phase-wise reduction and replacement of chemical fertilizers and toxic pesticides with organic alternatives.

• Natural Farming: Using farm-sourced biological formulations such as Beejamrut, Jeevamrut, and Neemastra made from native livestock waste.
• Agroforestry: Growing perennial trees alongside food crops to regulate local temperatures, store carbon, and build extra income streams.
• Cover Cropping & Green Manuring: Growing specific non-harvest crops primarily to feed nitrogen and organic matter back into the ground.
• Micro-Irrigation: Deploying drip and sprinkler setups under programs like Per Drop More Crop (which covers 109 lakh hectares) to optimize every drop of water.
• Precision Nitrogen Management: Employing deep placement of urea and leaf colour charts to minimize nitrous oxide emissions.

• Climate Resilience: Restored soils retain 20–30% more water, keeping crops alive significantly longer during prolonged droughts.
• Carbon Sequestration: It effectively extracts carbon dioxide from the atmosphere and safely traps it in the biological web of the soil.
• Input Cost Reduction: Slashing dependence on chemical imports reduces input costs by 40–60%, boosting net farmer incomes.
• Enhanced Nutrition: Food grown in bio-active, pesticide-free soil yields significantly higher mineral and nutritional values.

• Family: It belongs to the Sciuridae (squirrel) family and is a large species of ground squirrel.
• Anatomy: They possess a robust, compact body built to store vast fat reserves for survival.
• Long Tail: Unlike other marmots, its tail is significantly longer, measuring nearly half its overall body length.

• Fur Coat: Their dorsal parts feature vibrant golden-yellow to deep orange fur.
• Markings: They sport a distinctive black "saddle patch" running down the back, a black snout, and dark rings around their eyes.
• Tail Tip: The major portion of their long tail tip is prominently black.

• Global Range: Distributed across the high altitudes of Central and South Asia, including Kyrgyzstan, Tajikistan, Kazakhstan, Afghanistan, Pakistan, China, and India.
• Indian Presence: In India, they are exclusively found in the alpine zones of Jammu & Kashmir and Ladakh.
• Altitude: They thrive strictly at elevations ranging between 3,200 to 4,850 metres above sea level.
• Terrain: They inhabit open meadows, alpine grasslands, rocky slopes, and inland mountain cliffs.

• Social Structure: They are highly social, diurnal (active during the day) mammals that live together in tight-knit groups.
• Diet: Strictly herbivorous, feeding primarily on alpine grasses, roots, and small seasonal plants.
• Burrowing: They are master diggers, constructing deep burrow networks that inherit generationally to stay safe from predators.
• Extreme Hibernation: They hibernate for an extensive period from September to April/May. To survive, they slow their heart rate down from 80 to just 5 beats per minute.

• Soil Health: Their extensive burrowing naturally aerates high-altitude soil, mixing nutrients and encouraging plant propagation.
• Prey Base: They serve as a vital food source for endangered apex predators of the Trans-Himalayas, including the Snow Leopard, Himalayan Brown Bear, Red Fox, and Golden Eagle.

• IUCN Red List: Classified as Least Concern.
• CITES Protection: Listed under Appendix III, regulating its international trade.
• Primary Threats: Vulnerable to climate change (melting glaciers reducing forage), habitat destruction, attack by free-ranging feral dogs, and disturbance from tourist traffic.

• Definition: A device used to view, capture, and record real-time images or videos from narrow, deep, and hard-to-reach cavities with minimal visibility.
• "Chip-on-Tip" Tech: Modern variations utilize integrated micro-lenses and digital imaging electronics grouped directly at the tip of the insertion probe.
• Illumination: The anatomical or physical workspace is illuminated using micro-LED lights or fiber optics built right into the tip.
• Signal Transmission: Visual data is instantly sent from the sensor via thin electrical cables to a external video processor or an HD medical monitor.

• Gastroscope: Used to examine the upper digestive tract, food pipe, and stomach.
• Laparoscope: Inserted via tiny incisions to perform abdominal or pelvic surgeries.
• Cystoscope / Arthroscope: Specialized versions used to look inside the urinary tract and joint spaces respectively.
• Capsule Endoscopy: A non-invasive method where patients swallow a tiny camera encased in a pill to map the small intestine.

• Industrial Inspection: Often called borescopes, they are deployed to check inside pipes, engine cylinders, and turbines.
• Security & Law Enforcement: Used by tactical teams to look under doors, inside packages, or behind walls.

• Integration of AI: Modern versions feature Artificial Intelligence image processing to automatically highlight structural anomalies and tissue lesions in real-time.
• 4K & 3D Imaging: Advanced platforms (like those developed by Olympus and Fujifilm) provide depth perception and high-definition resolution for intricate surgeries.

• AI Architecture: Built using advanced AI open-source translation models like No Language Left Behind (NLLB) and IndicTrans2, specifically adapted for low-resource tribal languages.
• Development Consortium: Led by IIT Delhi in collaboration with BITS Pilani, IIIT Hyderabad, IIIT Nava Raipur, and various state Tribal Research Institutes (TRIs).
• Extremely Cost-Effective: Developed as a highly optimized public innovation costing roughly one-tenth of commercial AI alternatives.

• Initial Languages: Supported real-time translation for Gondi (Chhattisgarh), Mundari (Jharkhand), Bhili (Madhya Pradesh), and Santali (Odisha).
• Under-Development Base: Early scaling phases included Kui (Odisha) and Garo (Meghalaya).
• Proposed Horizon: The project framework covers phased additions for languages like Katkari, Koya, Kokborok, Betta Kuruba, Thodou Kuki, Tangkhul, and Chodri.

• Multi-Way Translation: Enables real-time text-to-text, text-to-speech, speech-to-text, and speech-to-speech translation between Hindi, English, and indigenous languages.
• Optical Character Recognition (OCR): Scans and translates physical documents, old manuscripts, and primers to digitize endangered dialects.
• Heritage Archiving: Digitally preserves oral traditions, folklore, indigenous stories, and community narratives contributed by native elders.
• Interactive Learning: Integrates digital primers and NCERT-aligned modules to help younger generations learn their native languages.

• Inclusive Governance: Translates vital health advisories (e.g., Sickle Cell Disease awareness) and the Prime Minister’s speeches into tribal languages.
• Scheme Awareness: Delivers easy-to-understand information on welfare policies directly to remote, offline-heavy community layers.
• Strategic Alignment: Directly supports major government initiatives like Digital India, Ek Bharat Shreshtha Bharat, PM JANMAN, and the Dharti Aaba Janjatiya Gram Utkarsh Abhiyan.

Download Pdf