The often-asked question "Do you believe in evolution?" expects the answer "Of course!" Don't only ignorant yokels have any doubt? But polls consistently reveal that a great majority of Americans do not believe in the evolution of all life forms from a common ancestor. Why isn't evolution something you can know for sure, not just something in which you can believe?

There are at least a half-million species of plants in the world. Although they do not contain living souls,¹ plants nevertheless display incredible design features and complex interactions with other plants and insects. Plants have immune systems that seem to be every bit as biochemically complex as those in vertebrates.

Is a "god of the gaps" at the root of Intelligent Design (ID) and creation science? This informal logical fallacy occurs when a given mystery (or gap) that science has not solved is "explained" with reference to divine activity: "God just made it work out, somehow," some theists might say.

The rapture of seeing Saturn's rings in a telescope for the first time has been enough to inspire many young people to become astronomers. Galileo called them a "most extraordinary marvel." In today's age of planetary reconnaissance, we now have close-up data and pictures beyond his imagination.