Soil Management Practices to Promote Soil Health
The health of the soil is a vital, dynamic living system that supports both ecosystem health and agricultural productivity. Root development, biomass accumulation, and plant water availability are influenced by soil physical properties such as soil aggregation, bulk density, and available water capacity. Soil chemistry, physics, and biology play a significant role in crop productivity. Maintaining...
Interactives: Oceanus Magazine
These educational interactives from the Woods Hole Oceanographic Institution provide excellent supports for dozens of ocean-related classroom activities. From the effects of Fukushima's Fallout on Marine Life to Measuring River Chemistry, a variety of well designed, instructional tools are offered here. The visual and audio materials (slideshows, multi-step presentations, whale calls, etc.) are...
Teaching History with 100 Objects
Teaching History with 100 Objects may be funded by the United Kingdom's Department of Education, but the resources available on the website will be useful to educators the world over. The 100 objects in question consist of historically significant Irish posters, English canons, Chinese tea pots, Viking scales, and many other fascinating objects. The site can be scouted in a number of convenient...
Public Art Archive
The Public Art Archive was launched in 2009 as a free resource for comprehensive data and extensive information about thousands of public art installations across the United States. New users should visit the About area for information about the functionality of the site and its history. After a quick visit here, the Browse tab filters this information by artist, collection, location, materials,...
Chronicling America: Historic American Newspapers
If you've ever dreamed of reading the January 2, 1900 edition of Paris, Kentucky's "Bourbon News", this site will offer a form of wish fulfillment. This newspaper (and many others) are part of the Chronicling America website, which was produced by the National Digital Newspaper Program. The program is the result of a partnership between the National Endowment for the Humanities and the Library of...