Istanbul has been ranked as the most congested city in the world in 2021, followed by Moscow at second place, as per TomTom's 2021 Traffic Index released.
Israel has successfully tested a new naval air defence system called 'C-Dome'. It is a naval version of Israel's Iron Dome, which is an air defence system that can intercept and destroy short-range rockets and missiles.
Veteran Nobel-winning virologist Luc Montagnier died in Paris recently. He won the Nobel Prize for Medicine in 2008 for the discovery of the Human Immunodeficiency Virus that causes AIDS, along with his colleague Francoise Barr-Sinoussi.
The ISRO has successfully launched the Polar Satellite Launch Vehicle PSLV-C52 from the first launch pad of Satish Dhawan Space Centre in Sriharikota. S Somnath is the chief of ISRO.
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