Latest Inventions on Science & Technology Bharat Biotech’s nasal COVID vaccine as booster Health Minister Mansukh Mandaviya announced that nasal vaccine iNCOVACC would henceforth be available for public use as booster dose. The vaccine is co-developed by Hyderabad Bharat Biotech and the U.S. based Washington University, was approved in November 2022, for ‘restricted emergency use’ for those aged 18 or older. The appointments for the nasal vaccine would be available via the CoWIN website. Vainu Bappu Observatory (VBO) The Vainu Bappu Observatory celebrated its 50 years anniversary since its inception in 1972. It is an astronomical observatory owned and operated by Indian Institute of Astrophysics. Located at Kavalur in the Javadi Hills, near Vaniyambadi in Tirupathur district Stellar discoveries of the 40-inch telescope at VBO were highlighted at its 50-year celebration. Telescope was set up in 1972 by Professor Vainu Bappu. It is credit with discoveries like presence of rings around planet Uranus, new satellite of Uranus, presence of an atmosphere around Ganymede which is a satellite of Jupiter.