As anyone who has ever worked the night shift knows you simply do not come home and go to bed after getting cleaned up. There has to be a certain period where you decompress, or unwind. For me this usually involves about an hour sitting in front of the television. Yes, I could read, and sometimes I do, but if I am tired I have a hard time enjoying it and often cannot remember whatever happened.
The second is by a man named John Hunter. He is a teacher who engages his elementary school students to think in ways that are simply astounding. One such very young student quotes Sun Tzu about war and appears to have a grasp on human's favorite pastime that far exceeds the vast majority of our glorious elected leaders.
The last is by Richard Preston who speaks on the giant redwoods of California whose complexities have been overlooked until very recently.
Be very careful, after viewing these videos you could actually come away thinking that if we had more of these outstanding people involved in public life the human race might have a chance at surviving.