Weird effect stranded astronauts experienced
When US astronauts Barry “Butch” Wilmore and Sunita Williams touched back down to Earth after their prolonged nine-month stint in outer space, captivated viewers were quick to note Williams’ grey hair ...
UPSC Key: Splashdown, Heatwave and Currency exchange rates
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?