About.com: Biology
Guide to biology articles and sites of the Web.
http://www.biology.about.com

About.com: Chemistry
Features articles, links, an encyclopedia of chemistry, periodic table of the elements, worked problems, a chemical structures archive, and other chemistry resources.
http://www.chemistry.about.com

Anthropology in the News
Contains links to recent articles from various sources about topics of interest to anthropologists and archaeologists.
http://www.anthropology.tamu.edu/news.htm

CALT: Artificial Life
Offers general information, forums, and links to journals, papers, and books on artificial life. Includes a list of people involved with artificial life and current projects and initiatives.
http://www.insead.fr/CALT/Encyclopedia/ComputerSciences/AI/aLife.htm

Ontario Ministry of Agriculture, Food and Rural Affairs - Agriculture
Information on crops, livestock, engineering, business development and environmental sustainability.
http://www.gov.on.ca/OMAFRA/english/ag.html

JungleWalk
Classified and annotated compilation of animal video and audio clips on the web, with links to animal posters, books, and videos.
http://www.junglewalk.com

Buzzle.com: Animals and Pets
Offering articles, resources, and information related to animals and pets.
http://www.buzzle.com/chapters/animals-and-pets.asp

Glubco International
Spread the madness.
http://www.glubco.com

Sciencepost.info
Searchable web directory in a number of languages.
http://www.sciencepost.info

University of Nebraska Institute of Agriculture Cooperative Extension Publications
Features publications on horticulture, forestry, nutrition, family and home economics, animal husbandry, insects and pests, farming, soil, wildlife, and resource management.
http://www.ianr.unl.edu/pubs