The American Lyme Disease Foundation is "dedicated to the prevention, diagnosis, and treatment, of Lyme disease and other tick-borne infections." Their website presents comprehensive information on Lyme disease, its...

From the Missouri Botanical Gardens, this Web site provides a classification of angiosperms that can be navigated either by phylogenic tree, Order, or Family. A detailed description of the classification system is...

Arbor Day was first observed in 1872, and the Arbor Day Foundation was founded in 1972 in Nebraska. The Arbor Day website contains a trove of information for visitors to peruse, make plans around, and learn from. The...

The Arctic Research Consortium of the U.S. (ARCUS) was created in 1988 with the goal of facilitating discussion of important arctic research initiatives, and also producing science reports with research community...

Approximately 12 million years ago, a massive volcano in the southwestern corner of Idaho erupted and spread a tremendous blanket of ash over a large area. Much of this ash settled over the grasslands of northeastern...