Word of the Day: Thermoregulation – the ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different.

Basically the muscles in your face are contracting and relaxing repeatedly (shivering), making your teeth go clicky clack.

Francis Xavier is a seasoned writer for Unofficial Networks, bringing a lifetime of outdoor experience to his work. Having lived in a ski resort town for years he has a deep connection to mountain culture....