We feel cold when exposed to low temperature in an AC enclosed room for long, but why does body completely turn warm after certain period of time at the same temperature?
Letminlal Haokip, New Delhi
What is the reason for the sound which comes when we crack our knuckles? It gives a kind of pleasant and relaxed feeling after having done that. Is it detrimental to the body in any way? Why can’t it be done again before a certain time has passed?
Vaibhav Rathi, Pune, Maharashtra