I may not believe in life after death, but what a gift it is to be alive now.

Among the more irritating consequences of our flagrantly religious society is the special dispensation that mainstream religions receive. We all may talk about religion as a powerful social force, but unlike other similarly powerful institutions, religion is not to be questioned, criticized or mocked.

What is wrong with looking muscular? Muscles are beautiful. Strength is beautiful. Muscle tissue is beautiful. It is metabolically, medically, and philosophically beautiful. Muscles retreat when they're not used, but they will always come back if you give them good reason. No matter how old you get, your muscles never lose hope. Few cells of the body are as capable as muscle cells are of change and reformation, of achievement and transcendence.

Who needs a handgun when you've got a semiautomatic?

Science is not a body of facts. Science is a state of mind. It is a way of viewing the world, of facing reality square on but taking nothing on its face. It is about attacking a problem with the most manicured of claws and tearing it down into sensible, edible pieces.

When I sent out a casual and nonscientific poll of my own to a wide cast of acquaintances, friends and colleagues, I was surprised, but not really, to learn that maybe 60 percent claimed a belief in a God of some sort, including people I would have bet were unregenerate skeptics. Others just shrugged. They don't think about this stuff. It doesn't matter to them. They can't know, they won't beat themselves up trying to know and for that matter they don't care if their kids believe or not.

Scientists have discovered that the small, brave act of cooperating with another person, of choosing trust over cynicism, generosity over selfishness, makes the brain light up with quiet joy.