I still vividly remember the moment. One second I was gliding down a beautiful powder-covered slope, the next my vision blurred into a hazy mess, my eyes burning with unexpected intensity. Snow blindness caught me completely unprepared. After that alarming experience, I couldn't help wondering about what physically happened to my eyes—and it sparked my curiosity about how the body responds to various extremes, whether it's the biting cold of a mountain or the intense exertion of a competitive squash match. Investigating the science behind these experiences was like discovering the inner workings of a machine I'd been using daily without understanding its mechanisms. My body constantly manages complex chemical reactions, from generating rapid energy for powerful squash shots to maintaining warmth in freezing temperatures. There's an intricate laboratory of remarkable processes unfolding within us during physical activity that most of us rarely consider. The Science of En...
by Mehar Kaur Minhas