| Global
Population Dynamic Database | An online database of
several thousand population time-series in the public
domain. |
| ITIS |
Integrated Taxonomic Information System: an excellent resource
for finding taxonomic names of species. |
| ResearchIndex | An
online database of research literature with a focus on computer
science which includes citations and in some cases the full
text of an article. |
| Searchlores | An
extensive reference on web searching which contains a treasure
trove of advice on how to find what you are looking for. |
| Mathworld | An
encylopedia of everything mathematical. |
| Interval
computations | The site for everything intervals. |