Monday, September 29, 2003
"View the Milky Way at 10 million light years from the Earth. Then move through space towards the Earth in successive orders of magnitude until you reach a tall oak tree just outside the buildings of the National High Magnetic Field Laboratory in Tallahassee, Florida. After that, begin to move from the actual size of a leaf into a microscopic world that reveals leaf cell walls, the cell nucleus, chromatin, DNA and finally, into the subatomic universe of electrons and protons."Molecular Expressions: Science, Optics and You - Powers Of 10: Interactive Java Tutorial:
Clinical or practice guidelines are "quality-improving strategies". Sackett, DL et al in Evidence-based Medicine define them as "user-friendly statements that bring together the best external evidence and other knowledge necessary for decision-making about a specific health problem. I rate this site a 4 plus out of 5. Primary Care Clinical Practice Guidelines - Index
Sunday, September 28, 2003
1Up Health has extensive information from trusted sources on over 4,000 topics including diseases, tests, symptoms, injuries, surgeries, nutrition, poisons, and special topics. There is also focus on family and community health. 1Up Health is updated daily and can be bookmarked at the URL: http://www.1uphealth.com/. 1Up Health Thanks to Ryan Becker.