Fire and IceFor today's entry, an exercise in contrasts: Fire and Ice. Fire can be a life-sustaining, constructive element, or, at worst, a powerfully destructive force - something we humans continue to use, play with, and struggle to control. Ice is closer to the natural state of the universe, cold, still and lifeless. Earth's orbit lies in a "Goldilocks zone" where we may seasonally experience icy environme
