Second Green Revolution The first green revolution doubled food grain production. This revolution was brought by hybrid varieties of seeds and use of fertilizers and pesticides. Punjab and Haryana States took full use of the new farm technology. Slowly after years this revolution extended upto Bihar, U.P., and Madhya Pradesh with little benefit. The excessive use of pesticide left residue in grains, fruits or vegetables and thus public health was affected....

Space Exploration The term space is used to denote the entire universe – the Earth and its atmosphere, the Moon, the Sun, and the rest of the Solar system with its other plants and their satellites including all the stars and galaxies spread over the infinite skies. Out space refers to the entire space except the Earth and  its atmosphere. The outer space begins where the Earth’s atmosphere ends. Space exploration...