| History_House__Stories__Tulipomania Article discussing the historical value of tulip bulbs. |
| Lehder_Environmental_Services A Canadian consulting firm offering services in air dispersion modeling (including odor dispersion), stack sampling, and environmental permitting. Most of Lehder's modeling work for clients utilizes t |
| MIDUSS_98 Stormwater modeling software intended for designers of stormwater management systems. |
| Introduction_to_the_Lycophyta An introduction to club mosses and scale trees, their life history, morphology, ecology, systematics and fossil history. |
| AFAB_Enterprises The PR-111 In-Line Process Refractometer can monitor and control the concentration of dissolved solids or water soluble liquids in your process lines. It will continuously measure the refractive inde |
| GRTensorII A computer algebra package for performing differential geometry calculations. Demonstrations of the package's applications to general relativity. |
| HobbySpace_-_Launch,_Propulsion_&_Spaceflight_Systems Looks at the many types of launch vehicles and propulsion technologies that are in service or proposed. |
| ExpressPCB PC board layout software and low cost board manufacturing service. |
| The_Cosmological_Constant Review article by Sean Carroll (Caltech) on one of the most important open cosmological questions: the physics behind the acceleration of cosmic expansion. Requires undergraduate physics knowledge. Pu |
| Career_Planner Provides an online test and free advice to help individuals identify their ideal career. |
| Hawaiian_Damselflies Images, conservation status, and distribution of Megalagrion damselflies (Odonata: Coenagrionidae). |
| Ewin_Hubble Detail of his work and theories, with a list of references. |
| Boundary_End_Archaeological_Resource_Center Promotes research in the Americas before the coming of the Europeans in the fields of anthropology art history, including archaeology, epigraphy, ethnohistory, ethnology, and linguistics. |
| biological_aeration Designing and manufacture the disc/tubular diffuser for wastewater treatment and fish pond aeration. |
| Grizzly_Bear_(Ursus_arctos_horribilis) Information from the US Fish and Wildlife Service. |
| soc_culture_hawaii_Introduction_to_Ka_ʻŌlelo_Hawaiʻi Brief explanation of articles, possessives, pronouns, prepositions and numbers in Hawaiian. |
| Saskatchewan_Archaeological_Society_-_Regina_Archaeological_Society Chapter outlines its history and objectives, a list of officers, publications, a membership application form, and contact details. |
| The_Epigraphic_Survey Oriental Institute at University of Chicago survey of Luxor directed by W. Raymond Johnson. |
| Volvox_aureus Several photographs of this species. |
| Eria_bractescens General information and classification. |
