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20May 2026

Indian team finds ultra‑short binary star

INDIAN RESEARCHERS DISCOVER ULTRA-SHORT PERIOD STELLAR BINARY SYSTEM Why in the News? Major Discovery: Indian researchers discovered a blue straggler star hosting a brown dwarf companion in an ultra-compact binary system. Shortest Orbit: The binary system has an exceptionally short orbital period of nearly 6 hours (0.234 days). Scientific Significance: The discovery was published in …

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20May 2026

Chandrayaan‑3 Hop Test Maps Moon’s Surface Layers

CHANDRAYAAN-3 ‘HOP’ EXPERIMENT REVEALS MOON’S SURFACE LAYERS Why in the News? New Discovery: Data from Chandrayaan-3 revealed that the Moon’s upper surface contains two distinct subsurface layers within a few centimetres, advancing critical technologies for future lunar missions and demonstrating capabilities comparable to those used in brahmos missiles guidance systems. Hop Experiment: The findings emerged …

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19May 2026

SMILE Mission: Studying Earth’s Solar Shield

SMILE Mission Studies Earth’s Shield Against Solar Storms Why in the News ? The joint Europe-China SMILE mission is set to launch aboard the Vega-C rocket to study how Earth’s magnetosphere protects the planet from harmful solar winds and dangerous space weather events. International Cooperation Framework The SMILE mission represents a landmark example of international …

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15May 2026

India’s First Alzheimer’s Therapy Approved

INDIA’S FIRST ALZHEIMER’S DISEASE-MODIFYING THERAPY Why in the News? Drug Launch: Eli Lilly launched donanemab in India under the brand name Lormalzi for Alzheimer’s treatment. First Therapy: It is the first Alzheimer’s disease-modifying therapy commercially launched in India for early-stage patients. High Cost: The treatment costs around ₹91,688 per dose and requires monthly infusions for …

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20Dec 2025

Shanti Bill Explained: India’s Nuclear Power Reset

SHANTI BILL: HOW INDIA IS OVERHAULING ITS NUCLEAR POWER SECTOR Why in the News? Parliament has passed the Sustainable Harnessing and Advancement of Nuclear Energy for Transforming India (SHANTI) Bill, 2025. The law permits private sector participation in nuclear power plant operations, a first for India’s tightly regulated nuclear sector, while also addressing environmental concerns. …

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11Nov 2025

How Genes Create Proteins: Central Dogma Explained

This image illustrates the Central Dogma of Molecular Biology, showing the stepwise process from DNA to mRNA to protein synthesis and cellular function. It belongs to UPSC GS Paper 3 (Science & Technology), in the subject Biology/Genetics, and is vital for understanding gene expression and biotechnology topics.

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23Oct 2025

Human Skeletal System: Bones & Joints Explained

Discover how the human skeletal system provides structure, protection, and movement. Learn about bone types, joints, and key functions essential for UPSC science preparation.

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22Oct 2025

11th India International Science Festival in Chandigarh

11th India International Science Festival in Chandigarh Why in the News ? The 11th India International Science Festival (IISF) will be held in Chandigarh from 6th–9th December 2025 with the theme ‘Vigyan se Samruddhi: For Atma Nirbhar Bharat’. It aims to highlight India’s scientific achievements and promote innovation, sustainability, and self-reliance. Key Highlights of IISF …

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UPSC Prelims 2026 Live Paper Discussion & Detailed Answer Key Analysis


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