UPSC Prelims Facts – 27 May 2025

Prime Minister visits Karni Mata temple

  • Location: Deshnoke, Rajasthan (near Bikaner).
  • Significance: Dedicated to Karni Mata, believed to be an incarnation of Goddess Durga.
  • Temple of Rats: Home to 25,000 sacred rats (called kabbas), considered reincarnations of Karni Mata’s followers.
  • Architecture: Built in Rajputana style with Mughal influences, featuring marble facade and silver doors

Experts note that despite Moringa’s immense nutritional and economic value, farmers in Tamil Nadu have yet to fully capitalize on its business potential.

  • Scientific Name: Moringa oleifera; native to the Indian subcontinent.
  • Nutritional Value: Rich in vitamins, minerals, and antioxidants; used in food fortification.
  • Economic Importance: India is a major exporter of Moringa seeds and powder.
  • Environmental Benefits: Used in water purification and biofuel production

Researchers in the US and Japan have discovered that the Arhgap36 gene is responsible for the unique orange fur in cats.

  • Genetic Location: Found on chromosome Xq26.1.
  • Function: Regulates Hedgehog (Hh) signaling, crucial for spinal cord development and tumorigenesis.
  • Medical Relevance: Potential role in cancer research and neurological disorders.
  • Research Findings: Interacts with Gli transcription factors and Sufu protein, influencing cell signaling pathways

Chinese scientists have reportedly tested a Rotating Detonation Engine capable of propelling vehicles at hypersonic speeds – over five times the speed of sound.

  • Concept: Uses pressure gain combustion, where detonations travel in a circular channel.
  • Efficiency: Up to 25% more efficient than conventional rocket engines.
  • Recent Developments: NASA tested a 3D-printed RDRE, producing 5,800 pounds of thrust.
  • Applications: Used in hypersonic propulsion, space exploration, and military aircraft

Union Ministry of Youth Affairs and Sports plans to start massive talent identification drive across the country wherein any citizen can upload videos of a player’s performance on National Sports Repository System (NSRS) portal.

  • Purpose: A digital platform under Khelo India for athletes, coaches, and sports academies.
  • Unique ID: Generates Khelo India ID (KID) for registered users.
  • Data Management: Tracks performance assessments, biometric attendance, and sports science tests.
  • Government Initiative: Managed by Sports Authority of India (SAI) to digitally empower Indian sports

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