Mppsc current affairs

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🔆 Quantum Leap in Digital Security by Indian Researchers 📍 Context: ✅ Scientists at Raman Research Institute (RRI), Bengaluru, led by Dr. Urbasi Sinha, have developed quantum techniques to generate and certify true random numbers. ✅ Marks a major breakthrough for hack-proof digital and online security. 📍 How It Works: ✅ Traditional systems use pseudorandom numbers (algorithm-based, predictable). ✅ True randomness comes from natural or physical quantum processes like photon behaviour. ✅ Technique uses Leggett-Garg inequality and quantum entanglement — proving randomness is intrinsic and certifiable. 📍 Significance: ✅ Enables creation of truly unpredictable encryption keys. ✅ Strengthens cybersecurity for encryption, authentication, and national digital infrastructure. ✅ RRI became the first lab globally to show certified true randomness in a loop-free quantum setup. 📍 Mains Question: Discuss how advancements in quantum random number generation can enhance India’s cybersecurity and data protection framework. #prelims #GS3 #science_and_technology #science_technology Join @PIB_UPSC @upsc_science_and_technology

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🔆 Nobel Prize in Chemistry 2025 – A New Grammar of Matter 📍 Key Facts: ✅ The 2025 Chemistry Nobel was awarded to Susumu Kitagawa, Omar Yaghi, and Richard Robson for developing Metal-Organic Frameworks (MOFs) — a revolutionary class of materials redefining chemistry. ✅ MOFs are porous crystalline structures built from metal ions linked to organic molecules, offering vast internal surface areas. ✅ Their tunable cavities can trap greenhouse gases, harvest water from air, and store clean fuels like hydrogen or methane. ✅ Kitagawa (Japan) created 3D frameworks of cobalt/nickel/zinc; Yaghi (U.S.) achieved high-stability zinc-based MOFs; Robson (Australia) pioneered the conceptual model of engineered molecular architectures. ✅ MOFs are now used from industrial reactors to semiconductor manufacturing, showing immense promise for sustainability and clean energy innovation. 📘 Mains Question: Discuss the significance of Metal-Organic Frameworks (MOFs) in addressing global environmental and energy challenges. How do they exemplify the intersection of chemistry and sustainability? #GS3 #science_technology

🔆 Radical Tunnel: Physics Nobel 2025 📍 The Discovery ✅ John Clarke, Michel Devoret, and John Martinis win the 2025 Physics Nobel for proving that quantum laws govern entire electric circuits, not just subatomic particles. ✅ Their work on Josephson junctions showed that at near absolute zero, electric current can ‘tunnel’ through barriers — a purely quantum phenomenon. 📍 Why It Matters ✅ Opened the path for superconducting qubits, powering quantum computers, precision sensors, and space imaging tools. ✅ Demonstrated that macroscopic quantum behavior can exist and be engineered. 📍 The Deeper Message ✅ The award celebrates curiosity-driven research, not immediate utility. ✅ What began as pure inquiry into nature’s limits now shapes quantum technology and innovation globally. 💡 Mains Question: How does curiosity-driven fundamental research contribute to long-term technological revolutions? #science_technology #PhysicsNobel

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🔆 Nobel Prize 2025: Redefining the Immune System 📍 Context ✅ The 2025 Nobel Prize in Physiology/Medicine was awarded for discoveries transforming understanding of autoimmune regulation. ✅ Laureates: Mary Brunkow, Fred Ramsdell & Shimon Sakaguchi — pioneers who identified regulatory T-cells (Tregs) and the FOXP3 gene. 📍 Key Findings ✅ FOXP3 acts as a molecular switch for immune self-tolerance. ✅ Mutations in FOXP3 cause autoimmune collapse, proving its central role in immune regulation. ✅ Their discoveries revealed how the immune system balances activation and restraint, preventing self-destruction. 📍 Applications ✅ Treg-based therapies are being tested to treat autoimmune diseases, improve graft acceptance, and enhance cancer immunity without triggering autoimmunity. ✅ Highlights how private-sector research (Celltech Chiroscience) can drive major biomedical breakthroughs. 📘 Challenges ✅ Translating these insights into affordable, scalable cell therapies remains difficult due to high costs and ethical issues. #prelims #GS3 #science_and_technology #science_technology Join @PIB_UPSC @upsc_science_and_technology

The Norwegian Nobel Committee has decided to award the 2025 #NobelPeacePrize to Maria Corina Machado for her tireless work promoting democratic rights for the people of Venezuela and for her struggle to achieve a just and peaceful transition from dictatorship to democracy

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🔆 Nobel Prize 2025: Redefining the Immune System 📍 Context ✅ The 2025 Nobel Prize in Physiology/Medicine was awarded for discoveries transforming understanding of autoimmune regulation. ✅ Laureates: Mary Brunkow, Fred Ramsdell & Shimon Sakaguchi — pioneers who identified regulatory T-cells (Tregs) and the FOXP3 gene. 📍 Key Findings ✅ FOXP3 acts as a molecular switch for immune self-tolerance. ✅ Mutations in FOXP3 cause autoimmune collapse, proving its central role in immune regulation. ✅ Their discoveries revealed how the immune system balances activation and restraint, preventing self-destruction. 📍 Applications ✅ Treg-based therapies are being tested to treat autoimmune diseases, improve graft acceptance, and enhance cancer immunity without triggering autoimmunity. ✅ Highlights how private-sector research (Celltech Chiroscience) can drive major biomedical breakthroughs. 📘 Challenges ✅ Translating these insights into affordable, scalable cell therapies remains difficult due to high costs and ethical issues. #prelims #GS3 #science_and_technology #science_technology Join @PIB_UPSC @upsc_science_and_technology

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🔆 Cyclone Shakti: Severe Cyclonic Storm over Arabian Sea (2025) 📍 Classification: ✅ Cyclone Shakti was classified as a Severe Cyclonic Storm (SCS) by the India Meteorological Department (IMD) with wind speeds of 130–145 km/h. ✅ It formed over the east-central Arabian Sea, serving as a key case for studying tropical cyclone dynamics — oceanic heat, Coriolis force, and atmospheric instability. 📍 Naming: ✅ The name “Shakti”, meaning power and resilience, was proposed by Sri Lanka under the WMO–ESCAP Panel on Tropical Cyclones. ✅ Cyclone names are drawn from lists submitted by 13 member countries (including India, Bangladesh, Oman, Myanmar, etc.) to enhance clarity in communication and disaster management. 📍 Formation Mechanism: ✅ Warm sea surface temperatures (>27°C) provided latent heat for convection. ✅ Low pressure formed at the surface; Coriolis effect induced rotation. ✅ Upper-level outflow maintained structure, while low wind shear over the Arabian Sea (Oct 2025) aided intensification into a Severe Cyclonic Storm. 📍 Climatic Background: ✅ Arabian Sea cyclones are rising in frequency and intensity due to warming trends — India’s mean temperature has risen by ~1.2°C since 1901 (CSE, 2017). ✅ Reduced vertical wind shear and higher moisture transport from the equatorial zone support cyclone formation along India’s west coast. 📍 Geographical Path: ✅ Formed near 21°N, 66.8°E, around 270 km southwest of Naliya, 300 km east of Porbandar, and 360 km south of Karachi (as of Oct 3, 2025). ✅ Moved northwestward under subtropical westerly influence, a typical post-monsoon trajectory. ✅ The Arabian Sea’s semi-enclosed basin traps heat and moisture, making it increasingly cyclone-prone. #CycloneShakti #environment #Geography