In 1911, Dutch physicist Heike Kamerlingh Onnes discovered superconductivity in mercury. He found that at a very low temperature, called the threshold temperature, solid mercury offers no resistance to the flow of electric current. The BCS theory Scientists later classified mercury as a conventional superconductor because its superconductivity could be …

The extremist groups of Manipur operating from their hideouts across the International Border are increasingly feeling the heat of the civil war in adjoining Myanmar. Officials of the security forces manning the India-Myanmar border said the once-tolerant local people have been turning on the members of extremist groups in Manipur, …

They know it is an inhuman and demeaning job rooted in caste-based discrimination and passed on to successive generations, but the sanitary workers continue to undertake manual scavenging as employers exploit them, and at times are cruel as well. The workers, the women especially, continue to do so to sustain …