There are too many of us and we are all too far apart.
Every species has come into existence coincident both in space and time with a pre-existing closely allied species.
All renewables, much as I love them, are diffuse. They all have a small power per unit area, and we have to live with that fact.
Cities are complex and contain just about any thing or concept ever invented by humans. How the city is built, its topography, and how close you live to your work and a grocery store affects your mobility.
Your center of mass is a place you cannot visit but you always carry with you. Like memories, it is part of life's baggage.
Theoretically in Germany there is more space because it is less tactical.
Everywhere's been where it is ever since it was first put there. It's called geography.
Palaeontological research exhibits, beyond question, the phenomenon of provinces in time, as well as provinces in space.
