General Science

• naturalSCIENCE: Science Related Web Links  -  General science articles and current events in science.
• Nerd World : SCIENCES  -  General science links.
• The New York Times: Science  -  Timely science in the news.
• Tree of Life Search - Search for any taxon or browse
• Critical thinking- an introduction
  

Search engines, Encyclopedias, Reference sources

• Wikipedia- free encyclopedia
  
• Dictionary.com  -  contains many specialized vocabulary words too
• Mad scientist lab- Brought to you by Enigma Engines for a Better Universe.
  

General Biology

High School Biology- everything you should know from high school

Online biology text- free!

Biology in Motion- Original, entertaining, interactive biology learning activities

Cells Alive- animations!

Biosis resources - Guide to the animal Kingdom, Biofacts, index to organism Latin names, glossary, directories of biologists

Serendip Home Page  -  Serendip is forum to explore and support intellectual and social change in education, in social organization... and in how one makes sense of life.

World Lecture Hall

Action Bioscience- Examines bioscience issues in biodiversity, environment, genomics, biotechnology, evolution, new frontiers in the sciences, and education. Includes peer-reviewed articles, class lessons, and educator resources

Biological Animations– many processes shown here

Medicine

WebMD- General info about medical conditions and treatment.

Organizing Medical Networked Information (OMNI)  -  A search engine designed to find medical internet resources.

Understanding Evolution- for lay people providing evidence and addressing common misconceptions


Human evolution

Optics- properties of light

Creation/Evolution- answers to common questions about the truth of evolution

Evolution- answers to many common questions from the National Center for Science Education

Talk.Origins archive- great source for answers to basic questions by creationists

Evolution and Philosophy- addresses the many philosophical objections to evolutionary theory

The Origin of Species- by Chuckie R. Darwin

The Tenets of Creationism? One is required to believe this if one is to work at their ministry

Teaching creationism in the schools?- Article in Science by Eugenie Scott, National Center for Science Education

The differences between science & pseudoscience- This is known as the "demarcation problem".  How does one mark the boundary between science and non-scientific forms of inquiry.

Statement on creationism in the science classroom-

Teaching about evolution and the nature of science- Statement from the Natl Academy of Sciences.  Include references to statements on religion and science.

Critical thinking- advice on how to sharpen critical thinking and evaluate evidence.

McClean vs. Arkansas- why "balanced treatment" is unconstitutional

• Chemistry tutorial- This is helpful for those that do not remember their chemistry very well.
• Chemistry online- resources from Oxford including 3-D animations of molecules
• Surface tension- what is it?
• Water- computer simulations of molecular properties
• A gentle intro to the structure of water- this site debunks many pseudoscientific myths such as "penta-water".
• Water molecule structure- a more advanced explanation
• What is a buffer?- how do buffer solutions resist changes in pH
  

• Optical isomers- the drug thalidoamide
  
• Who is the real fraud?- Criticism of Jonathan Well's Icons of Evolution
• Icon of obfuscation- Criticism of Jonathan Well's Icons of Evolution
• An interview with Stanley Miller- who discovered that organic molecules such as amino acids can be created by random forces in a abiotic environment
• Origins of Life and Evolution of the Biosphere- The Journal of the International Society for the Study of the Origin of Life
• Origin of life could be in space
• 3D structure of vitamins- Requires free (with registration) Chime plug-in to view animated rotating molecules.  Also can download the plug-in for Windows 2000/XP here.
• Protein database- beautiful models of large proteins
• Vitamin C structure- Chime plug-in to view animated rotating molecules.  Also can download the plug-in for Windows 2000/XP here.
• Molecule of the Month- 3-D structures are various molecules. Requires free (with registration) Chime plug-in to view animated rotating molecules.  Also can download the plug-in for Windows 2000/XP here.
• Amino acid structures- Requires free (with registration) Chime plug-in to view animated rotating molecules.  Also can download the plug-in for Windows 2000/XP here.

• Folding@Home- Download software to let your screen saver fold proteins on your PC!  These scientists are learning how proteins form spontaneously and hope to engineer new proteins with desired properties.
• Molecule of the Month from Protein Data Bank
  
• Evolution of protocells-
• Origin of self-replicating nucleic acids-
• The discovery of ribozymes- If RNA is made by DNA, then what makes DNA?

• Plasmosdesmata structure & function-

• Electron micrographs of membranes-
• Simulation of diffusion- 1-dimensional random walk of many particles
  
• Simulation of diffusion- 2-dimensional random walk of one particle
• Membrane fluidity- creation of pseudopods
• Movie of phospholipid and membrane structure

• Transport in and out of cells- from free online bio text

Chapter 8- Metabolism

• Metabolic pathways of biochemistry- This sites shows how metabolism works in 3-D.  Requires free (with registration) Chime plug-in to view.  Also can download the plug-in for Windows 2000/XP here.
• Understanding the terms of thermodynamics- this site explains the terms and their relationships to reaction kinetics.

Chapter 9- Glycolysis & Respiration

• How does ATP synthase work?- Nobel prize in 1997
• CO2 (carbon dioxide) and global warming- view levels of CO2 in atmosphere
  

Chapter 10- Photosynthesis

• Where does chlorophyll go in winter?
  

Chapter 12- Cell cycle & division

• Cells Alive animation of cell cycle-
  

Chapter 13- Meiosis & Sex

• Mitosis Compared With Meiosis
  

Chapter 14- Mendelian genetics

Chapter 15- Chromosomes & Inheritance

• Cloning and genetic imprinting- how cloning can lead to birth defects
• PLOS- Skin color in humans
• Trisomy 21 (Down Syndrome)-
  

Chapter 16- Molecular basis of inheritance

• 50th Anniversary of Watson & Crick- We have only known the structure of DNA for 50 years as of 2003.
• The Human genome project (HGP)- 
• History of the HGP-
  
• HGP science-
  
• Other genome projects- other species that are being sequenced
• X-ray crystallography- gallery of pictures of protein crystals
  
• DNA television series- PBS series with 5 1-h episodes.  Video of episodes online.  3-D animated model of DNA structure.
  

• Foundation for Biomedical Research Home Page  -  This site provides information on the treatment of animals in biomedical research.
• Do humans use pheromones?

Nature

• PNAS
• PLOS- Public Library of Science
  
• Science News Online - The Weekly Newsmagazine of Science
• SCIENCE On-Line
• THE SCIENTIST