This short, practical guide to the identification of hand specimen minerals utilizes simple methods of observation and inexpensive tools. It gives a guidline on how to collect minerals as well as a to
Human embryo research touches upon strongly felt moral convictions, and it raises such deep questions about the promise and perils of scientific progress that debate over its development has become a
Insiders' Guide to Yellowstone and the Grand Teton is the essential source for in-depth travel and relocation information to one of the most revered National Parks. Written by a local (and true insid
