Human history can be viewed as a slowly dawning awareness that we are members of a larger group.

Science is not perfect. It's often misused; it's only a tool, but it's the best tool we have. Self-correcting , ever changing, applicable to everything: with this tool, we vanquish the impossible.

We can make a similar examination, but with greater uncertainty, of the extraterrestrial hypothesis that holds that a wide range of UFOs viewed on the planet Earth are space vehicles from planets of other stars.

The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

All inquires carry with them some element of risk. There is no guarantee that the universe will conform to our predispositions.

The hole in the ozone layer is a kind of skywriting. At first it seemed to spell out our continuing complacency before a witch's brew of deadly perils. But perhaps it really tells of a newfound talent to work together to protect the global environment.

Our concern for the future can be tested by how well we support our libraries.