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radio Day - Shanmugam IAS academy in coimbatore
radio Day


What’s in news?

World Radio Day is celebrated all over the world on February 13 every year. 

Key data’s:

  • UNESCO first started celebrating Radio Day globally on February 13, 2012.
  • World Radio Day, 2020 is the ninth edition.
  • World Radio Day highlights the unique power of radio which connects lives and brings people together from across the globe.
  • Theme: “Radio and Diversity”.
  • The theme highlights the special value of radio in the era of a rapid media revolution.

Radio in India:

  • Radio was first introduced to India by Madras Presidency Club in 1924.
  • The club had worked on radio broadcasting for 3 years, but due to financial constraints, the club closed it in 1927.
  • In the same year, in 1927, Bombay merchants started the Indian Broadcasting Company in Bombay and Calcutta. This company also stopped radio broadcasting in 1930.
  • In 1932, the Indian Government (British India) took the rights of it and started a separate department called Indian Broadcasting Services.
  • In 1936, it was renamed All India Radio (AIR), which was looked after by the Department of Communications.
  • The AIR was controlled by the Director-General, assisted by the Deputy Director and Chief Engineer.
  • Ever since its inception in 1936, All India Radio has grown manyfold. AIR News today broadcasts 607 bulletins in 92 languages and dialects.

Importance of Radio:

  • Radio is the most accessible media in the world.
  • It is more important for people who don’t know how to read and write.
  • Radio also acts as a means of communication and makes people alert in emergencies.
  • Radio plays an important role during rescue operations in case of any natural disaster.
  • The main purpose of observing World Radio Day is to make the public and the media aware about the importance of radio.



What’s in news?

Researchers have discovered an unusually small virus in a lake in Brazil.

Key data’s:

  • The virus has been named Yaravirus after ‘Yara’, a water-queen figure in Brazilian mythology.
  • It was found in Lake Pampulha, an artificial lagoon in the city of Belo Horizonte
  • Researchers found that more than 90 percent of the Yarvirus’ genes had never been identified in other viruses.
  • The new virus — which is only 80 nanometers in diameter, or about 0.1% the thickness of a human hair — has the ability to infect other amoebas.
  • The Yaravirus does not infect human cells.
  • DNA viruses are classified based on the protein that makes up their shell, or capsid. The Yaravirus’ capsid doesn’t resemble any previously known protein.

What is a virus?

  • A virus is a small parasite that cannot reproduce by itself. Once it infects a susceptible cell, however, a virus can direct the cell machinery to produce more viruses.
  • Most viruses have either Ribonucleic acid (RNA) or Deoxyribonucleic Acid (DNA) as their genetic material.
  • Diseases caused by Virus: HIV/AIDS, smallpox, Ebola, etc.

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