Beartracker's Animal Tracks Den is an excellent comprehensive "online field guide to tracks and tracking." The site includes animal track images, photos, as...
This site is an article by Jon C. Boren, Extension Wildlife Specialist and Byron D. Wright, Agricultural Specialist both from the University of New Mexico...
This is the Outdoor Action Guide to Animal Tracking by Rick Curtis of Princeton University. This website provides solid and detailed information on many...
Tom Brown's Tracker School is the largest school of its kind with locations in New Jersey, California, and Florida. On this site, visitors will find course...
The Wilderness Awareness School is located in Washington, but offers courses in other regions as well. Here, visitors can sign up for the School's newsletter,...
This report, provided by the Northern Prairie Wildlife Research Center (US Geological Service), covers "Innovations, Evaluations, and Research Needs" of...
AMSER is a portal of educational resources and services built specifically for use by those in Community and Technical Colleges but free for anyone to use.
AMSER is funded by the National Science Foundation as part of the National Science Digital Library, and is being created by a team of project partners led by Internet Scout.
A rough ball will travel further than smooth one. Roughness, whether from stitching or abrasion, creates a layer of turbulent air that greatly reduces drag. A smooth golf ball would fly only about half as far as the normal dimpled variety.
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