| Known_Amicable_Pairs A listing of all the known pairs of numbers, each of which is the sum of the aliquot divisors of the other. Complete for smaller numbers, and extending beyond 200 digits. |
| The_Physics_of_Learning Extending a physics analogy to teaching and learning creates a rich set of terms and relationships that are already familiar to scientists. This paper defines those terms, suggests methods for quantif |
| Visual_Elements__Nitrogen Animation, uses, physical information, and key isotopes. |
| Tom,_Jim Homemade heater with specifications, performance data, vacuum chamber, monitor unit, power control, and video system. |
| Stoat A climate modeller with the British Antarctic Survey comments on climate science issues. |
| CitySync UK company offers security, parking, and traffic control solutions employing recognition hardware and software. Includes technical information and case studies. |
| IBGE Brasilian Institute of National Statistics and Geography. [English, Spanish] |
| MakScopes Discussion group to send and receive emails, discuss ideas and tips, and get the most out of viewing and enjoying the telescope. |
| Mexico_Biospeleology Reports from field investigations of biology in the underwater caves of northern Mexico. |
| NanoBiophotonics Research in the development of optical microscopes with resolutions in the nanometer scale. |
| Axinum_Innovations_&_Technologies Manufacture of Siphoning Rain Gauges and Data Loggers |
| White-footed_Ant__Technomyrmex_albipes Provides a detailed description and photograph of this ant, with information on its foraging characteristics, nest sites, diet and distribution. |
| Ordnance_Survey The UK government agency responsible for the official, definitive topographic survey and mapping of Great Britain. |
| Classical_&_Statistical_Thermodynamics_&_Mechanics_Educational_Sites A collection of resources gathered by the Thermodynamics Research Laboratory at the University of Illinois at Chicago. |
| Directory_of_Water_Resources_Organizations_in_the_Americas Lists and describes governmental and nongovernmental organizations engaged in water resources research, education, advocacy, and consulting, in the nations of North, South, Central America, and the Ca |
| Elephant_Facts_and_Information_Database Information about captive and wild elephants. Database with captive elephants and elephant exhibits wordwide. |
| Chicken_Scientific_Name_and_Scientific_Names_of_Poultry_Species A list of the scientific names of the domestic chicken, as well as other common poultry species. |
| NEHA_-_National_Radon_Proficiency_Program Nationwide list of certified radon measurement or mitigation professionals. Administers the national certification program. |
| Conservation_&_Research_Center At the Smithsonian Institution's mandate their mission is to advance conservation of biological diversity. The CRC increases knowledge through investigations of threatened species, habitats, an |
| SticiGui Statistics Tools for Internet and Classroom Instruction with a Graphical User Interface, by Philip B. Stark, University of California, Berkeley. An interactive introductory statistics text with dynam |
