I wonder, though: Does my *insert an infinite amount of great* "grandmother" (Earth) have feelings? Does she feel pain like my mom does when I argue with her? Why do we care so much about some insignificant rock circling around the Sun? We think we're better than nature, so why don't we invest in building space colonies to search for a new home to abuse to our content? Steven Hawking's being smug about the idea, the arrogant spaz.