Everyone you will ever meet knows something you don't.

The meaning of life is pretty clear: Living things strive to pass their genes into the future. The claim that we would not have morals or ethics without religion is extraordinary. Animals in nature seem to behave in moral ways without organized religion.

Not wasting any water bottles is good. Not leaving the lights on is good. Turning the thermostat down in the winter, up in the summer, is good. But the best thing any of us in the developed world, especially in the United States, can be doing is talking about it.

Speaking of human computers, there is a guy named Art Benjamin, he's a human calculator. He says it's a skill he learned as a kid. Now he's a math professor at Harvey Mudd. He can find the square root of a six digit number in a few seconds. Practice.

But as the cerebellum degrades with age, so does the quality of memories. The memories are there, but they're not as good.

The US Navy has several people on every ship that can navigate by the stars. They don't fool with that.

There are just two people entitled to refer to themselves as "we"; one is the editor and the other is the fellow with a tapeworm.