Nature Chemistry Publishes 'Trisulfide Metathesis' Discovery Enabling Room-Temperature S-S Bond Modification for Drug Design

Meta Trial: $567 Mn Penalty for Child Addiction, 29-State Probe on Social Media Design

A US trial against Meta over addictive social media design for children could reshape Big Tech accountability. With penalties of $567 million and a $6 million jury verdict, this case highlights the growing scrutiny of platform design and its impact on youth mental health, a key issue for GS2 (Social Justice) and GS3 (Technology).

NPCIL Commences Fuel Loading at RAPP-8: 4th Indigenous 700 MWe PHWR in Fleet Mode

NPCIL has started initial fuel loading (IFL) at Unit 8 of Rajasthan Atomic Power Project (RAPP-8), a 700 MWe indigenous pressurised heavy water reactor (PHWR). This marks a major step in India's fleet-mode nuclear expansion, with commercial operation expected in 2026-27. For exams: understand PHWR technology, AERB's role, and the commissioning sequence (IFL → FAC → power generation).

China Launches 4 Orbital Rockets in 45 Hours; Targets 28,000 Satellites via Qianfan & SatNet

China launched four rockets in 45 hours from three launch sites, deploying satellites for its Qianfan (15,000 satellites) and SatNet (13,000 satellites) broadband megaconstellations. This highlights the rapid expansion of China's space sector, combining state and private players, and the strategic push for low Earth orbit satellite networks.

ISRO & ESA Extend Cooperation Until 2032; Add Human & Robotic Exploration, Space Weather

ISRO and ESA have extended their cooperation agreement by five years until January 8, 2032, and broadened it to include human and robotic exploration and space weather. This signals deepening international space collaboration and has implications for India's Gaganyaan mission and future lunar/Venus exploration.

Gaganyaan Parachute System: 2 Drogue & 3 Main Chutes with Multi-Stage Reefing for Safe Re-entry

India's Gaganyaan human spaceflight mission relies on a complex parachute system with multiple stages and redundancy. Understanding the science behind drogue and main chute deployment, reefing mechanisms, and materials like Kevlar/Nomex is critical for UPSC Science & Technology and Defence questions. The article details how ADRDE (Agra) developed these parachutes and testing via RTRS at TBRL Chandigarh.

ISRO-ESA Renew Space Cooperation Till 2032; Focus on Space Weather & Robotic Exploration

India (ISRO) and the European Space Agency (ESA) have renewed their space cooperation agreement until 2032, focusing on space weather monitoring and human/robotic exploration. This strengthens India's Gaganyaan and Chandrayaan missions and ensures long-term collaboration in critical areas like satellite safety and deep-space exploration.

IN-SPACe Releases Planned Re-entry Guidelines: Safety Threshold 1 in 10,000, Mandates Third-Party Liability Insurance

IN-SPACe has released new guidelines for planned re-entry of space objects, establishing a safety threshold of 1 in 10,000 risk to humans and mandating third-party liability insurance for private operators. This is crucial for India's human spaceflight mission Gaganyaan and the growing private space sector.

Subsea Cables Carry 99% Internet Traffic: Vulnerabilities, Ownership Concentration & India's Resilience Plan

Subsea cables carry over 99% of global internet traffic, yet their supply chain is concentrated among a few private players and hyperscalers, making them vulnerable to sabotage, cyberattacks, and economic disruption. Recent NATO, Finland, and China incidents highlight intensifying threats, while India is building repair capacity via a DoT single-window clearance portal. This is a high-yield topic for GS3 infrastructure, science-tech, and security questions.