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Energy & Environment
Northeast’s First Geothermal Production Well – Arunachal Pradesh
CESHS drilled the Northeast’s first geothermal production well in Dirang village, West Kameng district, Arunachal Pradesh. Reservoir temperature: ~115°C. Used a closed-loop binary Organic Rankine Cycle (ORC) system. Partners: Norway Geotechnical Institute (NGI) and Iceland-based Gerotherpy hf.
Environment
Tsarap Chu – India’s Largest Conservation Reserve
Tsarap Chu Conservation Reserve (1,585 sq. km) in Spiti Valley, Himachal Pradesh is declared India’s largest CR under Section 36A(1) of the Wildlife (Protection) Act, 1972. It is HP’s 5th Conservation Reserve and a key habitat for snow leopards.
Science & Technology
PSLV-C61 / EOS-09 Mission Failure
PSLV-C61 failed due to a drop in chamber pressure in the third-stage (PS3) solid rocket motor. Payload: EOS-09 (RISAT-1B) — a radar imaging satellite intended for a Sun-Synchronous Polar Orbit at 529 km. Only the 3rd PSLV failure in 63 launches; ISRO’s 2nd mission failure of 2025.
Technology
China’s Three-Body Computing Constellation – World’s First Orbital Supercomputer
Developed by ADA Space (Chinese start-up) with Zhejiang Lab and Neijiang Hi-Tech Zone. Target capacity: 1,000 POPS (Peta Operations Per Second = 1 quintillion ops/sec). Marks a new frontier in space-based computing infrastructure.
Sports – Chess
Praggnanandhaa – Maiden Grand Chess Tour Title
R. Praggnanandhaa won the Superbet Chess Classic Romania 2025 via a three-way blitz playoff against Alireza Firouzja and Maxime Vachier-Lagrave (both France) after all tied at 5.5/9. Prize: USD 77,667; 10 GCT points; FIDE rating rose to 2758 (World No. 7).
Sports – Football
India Wins SAFF U-19 Championship 2025
India won the 7th SAFF U-19 Championship 2025, defeating Bangladesh 4-3 on penalties. Final held at Golden Jubilee Stadium, Yupia, Arunachal Pradesh. Top scorer: Danny Meitei Laishram (5 goals). MVP: Mohammed Arbash. Best GK: Suraj Singh Aheibam. Captain: Singamayum Shami.
Sports – Formula 1
Verstappen Wins 2025 Emilia Romagna GP
Max Verstappen won the 2025 F1 Emilia Romagna GP — his 59th career win, 4th consecutive Imola win, and 2nd win of 2025. The race was also Red Bull’s 400th F1 race. Lando Norris (McLaren) 2nd; Oscar Piastri (McLaren) 3rd.
International
FAO Global Report on Food Crises 2025
GRFC 2025: 1.9 million people faced catastrophic food insecurity (IPC/CH Phase 5) in 2024 — more than double 2023 figures and the highest since 2016. Overall, 295.3 million people across 53 countries faced acute hunger. Over 90% in extreme crisis concentrated in Gaza and Sudan.
Obituary
Dr. Saroj Ghose – Museologist & Science Communicator
Dr. Saroj Ghose served as President of ICOM (International Council of Museums), Paris (1992–1998). Founding Director General of NCSM (1979–1997); established Nehru Science Centre and Science City, Kolkata. Honours: Padma Shri (1989) and Padma Bhushan (2007).
Rankings & Reports
Forbes 30 Under 30 Asia 2025
India topped the Forbes 30 Under 30 Asia 2025 list with 94 honourees. Rankings: Australia (32), China (30), Japan (25), South Korea (23). The 10th edition featured 300 young leaders across 10 categories including AI, Healthcare & Science, and Entertainment & Sports.
🎴 Revision Flashcards
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Where was Northeast India’s first geothermal production well drilled?
Dirang village, West Kameng, Arunachal Pradesh
Reservoir temp ~115°C; used Organic Rankine Cycle (ORC) system
Tap to Reveal
What is the area of Tsarap Chu Conservation Reserve, and in which valley is it located?
1,585 sq. km; Spiti Valley, Himachal Pradesh
India’s largest CR; 5th in HP; known for snow leopards
Tap to Reveal
Which stage of PSLV-C61 caused the EOS-09 mission failure?
Third stage (PS3) — drop in chamber pressure
3rd PSLV failure in 63 launches; 2nd ISRO failure of 2025
Tap to Reveal
What is the target computing capacity of China’s Three-Body Computing Constellation?
1,000 POPS (1 quintillion operations per second)
Developed by ADA Space + Zhejiang Lab; world’s first orbital supercomputer
Tap to Reveal
What was Praggnanandhaa’s FIDE rating and world rank after winning Superbet Classic 2025?
2758 — World No. 7
Won via blitz playoff vs Firouzja & MVL; prize: USD 77,667
Tap to Reveal
How many people faced acute hunger across how many countries per GRFC 2025?
295.3 million across 53 countries
1.9 mn in Phase 5 (catastrophic); over 90% in Gaza & Sudan
Tap to Reveal
Which awards did Dr. Saroj Ghose receive and in which years?
Padma Shri (1989) & Padma Bhushan (2007)
Founding DG of NCSM; ICOM President 1992–98
Tap to Reveal
How many honourees did India place in Forbes 30 Under 30 Asia 2025, and which edition was it?
94 honourees; 10th edition
2nd: Australia (32); 3rd: China (30); 300 total honourees
Think & Discuss
ISRO’s PSLV-C61 Failure: Should Setbacks Slow India’s Space Ambitions or Accelerate Reform?
Context from today’s quiz: ISRO’s PSLV-C61 mission carrying EOS-09 (RISAT-1B) failed on May 18, 2025 — only the 3rd PSLV failure in 63 launches and ISRO’s 2nd mission failure in 2025. The failure occurred in the PS3 (third stage) solid rocket motor. This comes at a time when India is rapidly expanding its space programme through ISRO, IN-SPACe, and private players under the new Space Policy 2023.
🤔 Your Perspective Matters
ISRO’s overall success rate remains among the highest globally, yet two mission failures in a single year raise questions about quality control, pace of launches, and the transition to a more commercialised space ecosystem. Meanwhile, China just launched the world’s first orbital supercomputer, signalling the intensifying space technology race.
Should India prioritise reliability and incremental growth in its space programme, or must it accept higher risk tolerance to keep pace with rapidly advancing rivals?
Should India prioritise reliability and incremental growth in its space programme, or must it accept higher risk tolerance to keep pace with rapidly advancing rivals?
- PSLV has an extraordinary track record — does one failure in PS3 warrant a systemic review, or is failure an inevitable cost of an ambitious launch cadence?
- China’s Three-Body Computing Constellation signals space is becoming a computing frontier, not just a launch domain. Is India’s space policy adequate to address this shift?
- With private players entering Indian space under IN-SPACe, should ISRO focus exclusively on cutting-edge frontier missions and cede routine launches to the private sector?
We’d love to hear your thoughts! Share your perspective in the comments.
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