Homeostatis is the nerdy term for the property of a system to maintain a state of equilibrium.

We exhibit this property when mechanisms in our body kick in to regulate body heat if it gets too hot or too cold.

Homeostatis is controlled by feedback - and that can be negative or positive feedback. Negative feedback works to bring the system back from perturbations by iteratively reducing the level of deviation/variation until it returns to normal. Take the...