A comet is streaking back our way after 50,000 years.The dirty snowball last visited during Neanderthal times, according to NASA. It will come within 42 million kilometers (26 million miles) of Earth on Wednesday before speeding away again, unlikely to…
Day: January 27, 2023
India’s First Nasal COVID-19 Vaccine Launched
This week India launched its first nasal COVID-19 vaccine, four months after it received approval for its restricted emergency use among adults in the country.The mucosal vaccine, made by India’s leading vaccine maker, Bharat Biotech, is based on techn…