Why is urban heat island relevant to the UPSC exam? What is the significance of topics such as the global navigation satellite system, Houthis, and sonic weapon on both the preliminary and main exams?

The Taynish National Nature Reserve is located near the village of Tayvallich in Argyll and Bute, along Scotland's west coast ...

More than 200 clay cuneiform tablets and 60 seals linked to the Ancient Mesopotamian government were discovered by archaeologists at the ancient Sumerian city Girsu or the present-day site Tello in ...