Air pollution

The quality of air in India is a major concern, especially in cities and air pollutants such as particle particles, sulfur dioxide, nitrogen oxide, carbon monoxide and ozone over and over the national environmental standards and the WHO guidelines. Are there. According to WHO, 37 cities in India are among Read more…

Space Travelers

The first person to fly into space was a Russian called Yuri Gagarin. On 12 April 1961, Alan Shepherd became the first American in space, although he didn’t orbit Earth. Two years after Gagarin’s flight, on 16 June 1963, Valentina Tereshkova became the first woman in space. She spent nearly Read more…