Lest those islands still seem to you too remote in space and time to be relevant to our modern societies, just think about the risks... of our increasing globalization and increasing worldwide economic interdependence.

The southward advance of native African farmers with Central African crops halted in Natal, beyond which Central African crops couldn't grow - with enormous consequences for the recent history of South Africa.

Federal elections happen every two years in this country. Presidential elections every four years. And four years just isn't long enough to dismantle all the environmental laws we've got in this country.

The King's 28 letters have been described by scholars as the world's best alphabet and the most scientific system of writing.

The past was still a Golden Age, of ignorance, while the present is an Iron Age of willful bliss.

Biology is the science. Evolution is the concept that makes biology unique.

In parts of Montana, salt concentrations in soil water, have reached those double those of seawater.