UPSC Prelims Facts – 03&04 December 2023

UPSC Prelims Facts

Scientists have developed anthrobots which are different from xenobots, which are derived from embryonic stem cells of frog.

  • Tiny robots made of human cells that are able to repair damaged neural tissue.
  • Can be created from adult human cells without genetic modifications.
  • Can be fused together to form a superbot.
  • A significant advancement in regenerative medicine – Process of replacing or regenerating human cells, tissues or organs to restore or establish normal function.

New jellyfish species found off Japan’s coast with 240 tentacles named Santjordia pagesi with a bright red, cross-shaped stomach.

  • Invertebrates (animals with no backbones) and lacks brains, hearts, and eyes.
  • Not detritivores and feed on fish, shrimp, crabs, etc.
  • Made up of a smooth, bag-like body and tentacles armed with tiny, stinging cells.
  • Transparent, colourful and bioluminescent.

International Astronomical Union has named the satellite of asteroid Dinkinesh as “Selam (meaning peace)”.

  • Discovered by – NASA’s Lucy mission
  • Selam – 1st contact-binary satellite ever observed.
  • Contact binary system is where two space bodies gently rest against each other.

Defence Acquisition Council (DAC) approved ₹2.23 lakh crore Acceptance of Necessity (AoN) to push Self-reliance in Defence industry.

  • Acceptance of Necessity (AoN) is approved for procurement of Light Combat Helicopter (LCH), Anti-tank Munitions, etc.
  • DAC – Highest decision-making body in the Defence Ministry for deciding on new policies and capital acquisitions.
  • AoN is the first step toward procurement of any military equipment and hardware under defence acquisition norm under Defence Acquisition Procedure (DAP), 2020.

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