PIB Corner

Sun Halo

  • The people in Bengaluru and Hyderabad witnessed a bright rainbow ring around the Sun for a few minutes recently, a rare optical and atmospheric phenomenon.
  • The phenomenon popularly known as the ‘22 degree circular halo’ of the Sun or occasionally the Moon (also called a Moon ring or winter halo), occurs when the Sun’s or Moon’s rays get deflected/refracted through the hexagonal ice crystals present in cirrus clouds.

Saline Gargle RT-PCR Testing Method

  • Scientists of Nagpur-based National Environmental Engineering Research Institute (NEERI) under Council of Scientific and Industrial Research (CSIR) have developed a 'Saline Gargle RT-PCR Method' ....
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