GREAT SCIENCE SITES FROM ALL OVER!
Here are some of my favorites
Health 
National Institutes of Health
National
Library of Medicine
National Center for Science Education
The Merck Manual:
For the closet hypochondriac
World
Health Organization
WWW Virtual Library (an
incredible gateway to many medical sites around the world)
BioInformatics:
Medical and Pharmaceutical Databases
Entrez Browser: Medical Databases
from Genome to Chemistry
Omim: Genes and
Diseases Database Search Engine
Science 
Federation of American Scientists (FAS): Find an Expert
A GREAT SITE WITH INCREDIBLE LINKS OF ALL KINDS
Community of Science on the Web (search by funding and research topic)
Barbara's One Zillion Links to Libraries, Science, Medicine, News and the Universe
The WHY Files from the University of Wisconsin (science behind the news)
Drugs, Baby, Drugs (FDA homepage)
More Drugs, Honey (Pharmaceutical Information)
All the Virology on the World Wide Web (cough!)
Scirus
(Search Engine for Science)
Elsevier PharmX Database on Drug Targets
Science Direct--online journals available to NYU students
Santa Fe Institute: complexity theory
Primordial Soup Kitchen--COOL SITE! Go for cellular automata, the Game of Life, or pea soup
Living Earth is a site that produces
high-quality color images of our planet, the moon and Mars, including
interactive technology and 3-D animation or weather displays...Have fun!!
Dennis Kunkel Microscopy An image gallery contains hundreds of
microscopy images photographed with electron microscopes. You will find biology
images, biomedical images, medical images and many other kinds of scientific
photography.
Science Now Website of AAAS and Science Magazine,
with latest news.
Psychology 
Clinical Trials Listing Service
Psychcrawler: APA Psychology Search Engine
American Psychiatric Association
American Psychological Association
Mental Health Resource
I NEED A CARTOON! Here's a good site, Alex's Restaurant
