| Site | Notes | Date last visited |
| Scirus | by Elsevier Science. | 5 June 2001 |
| The Scientific World | Database of scientific articles. | 5 Oct 2001 |
| Public Library of Science | PLoS is a publisher of open access peer-reviewed biology and medical journals. | 15 Jan 2005 |
| The Food Allergy and Anaphylaxis Network | 11 Oct 2001 | |
| MEDLINEplus | Medical information. | 3 Nov 2001 |
| PubMed | Citation database for medicine. | 3 Nov 2001 |
| Toxnet | Toxicology Data Network. | 3 Nov 2001 |
| How Stuff Works | Great science & tech website explaining concepts and mechanics for a lay audience. | 29 Nov 2003 |
| eFunda | Engineering reference source. | 7 Jan 2001 |