INTRODUCTION
In the 1980's and 90's, considerable emphasis has been placed upon climate and environmental issues in the United States. Much air pollution...
Introduction
Global warming, the greenhouse effect, and climate change continue to receive attention in the media and scientific circles. A recent decision...
In this unique era of human history, manned space flight -- the dream of many a novelist -- has become routine. Star Trek and its spin-offs have taken...
The sweet melody of songbirds fills the air as the forest wakes up. But there is another familiar voice that joins in the morning songs: woodpecker....
Anthropologists Thomas Urban (Cornell University) and Daron Duke (Far Western Anthropological Research Group) recently found preserved human footprints...