500-599 Mathematics, Science

502 Miscellany 503 Dictionaries, 510 Mathematics, 

520 Astronomy, 529 Chronology, 530 Physics,  

540 Chemistry, 549 Mineralogy, 550 Earth Sciences,  

551 Geology/Hydrology/Meteorology,  560 Paleontology,  

570 Life Sciences, 575 Evolution & Genetics,  

580 Botanical Sciences, 591 Zoology, 

592 Invertebrates, 593 Protozoa/Echinodermata/Related Phyla, 

594 Mollusca & Molluscoidea, 595 Entomology,  

596 Vertebrates,  597 Cold Blooded Vertebrates/Fishes,  

598 Birds, 599 Mammals

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502 Miscellany

• Epact:  Scientific Instruments of Medieval and Renaissance Europe  http://www.mhs.ox.ac.uk/epact/
• Eric Weisstein's World of Science - Biography, chemistry, physics, mathematics, and astronomy  http://scienceworld.wolfram.com/ 
• Find Out Why  http://www.findoutwhy.org/   National Science Foundation, Discovery Magazine and Disney designed this site to help young ones learn science.
• National Science Digital Library  http://nsdl.org/ Funded by the National Science Foundation, provides educational resources for science, technology, engineering, and mathematics education  with links to hundreds of digital resources.
• Quick Reference: Science
• Science Fair Project Index  http://www.ascpl.lib.oh.us/scifair/
• Science News for Kids  http://www.sciencenewsforkids.org  
• The Why Files:  Science Behind the News  http://whyfiles.org/
• Virtual Science Center  http://www.chabotspace.org/vsc    Virtual planetarium with online glossary for space science learners.

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503 Dictionaries

• BioTech Life Science Dictionary  http://biotech.icmb.utexas.edu/search/dict-search.html 

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510 Mathematics

• Algebra Help  http://www.algebrahelp.com 
• American Mathematical Society  http://e-math.ams.org/
• Ask Dr. Math  http://mathforum.org/dr.math/ 
• Calculator.com  http://www.calculator.com 
• Calculus On the Web (The COW Library)  http://www.math.temple.edu/~cow/  from Temple University and the National Science Foundation.
• Convert It - Conversion and Calculator Center  http://www.convertit.com/Go/ConvertIt/
• Convert-me.com  http://www.convert-me.com/en/  Interactive calculators for many common and exotic measurement systems.
• Cornell Math/Science Gateway http://www.tc.cornell.edu/Edu/MathSciGateway/
• Electronic Library of Mathematics  http://www.emis.de/ELibM.html  Includes biographies of mathematicians.
• Fun Math Lessons  http://math.rice.edu/~lanius/Lessons/
• Math2.org - Get theorems, tables, proofs and graphs.  http://www.math2.org 
• MathWorld - the web's most extensive mathematics resource  http://mathworld.wolfram.com/ 
• Mathematical Snippets - Classic math problems throughout history.  http://scidiv.bcc.ctc.edu/Math/MathSnips.html 
• Online Math Textbooks  http://www.geocities.com/alex_stef/mylist.html
• Online Math Textbooks  http://www.math.gatech.edu/~cain/textbooks/onlinebooks.html 
• The Prime Pages  http://www.utm.edu/research/primes/   Everything you would ever want to know about prime numbers!
• QuickMath.com  http://www.quickmath.com   An automated service for answering common math problems over the internet.
• Quick Reference: Math
• S O S Mathematics  http://www.sosmath.com/
• World of Mathematics http://mathworld.wolfram.com Comprehensive and interactive mathematics encyclopedia.
• WebMath - Enter your math problem, get the answer and explanation. http://www.webmath.com

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520 Astronomy

• Astronomy Unbound  http://library.thinkquest.org/C006574/  A virtual astronomy text, includes diagrams, photos, glossary and related links.
• Cambridge Relativity  http://www.damtp.cam.ac.uk/user/gr/public   Information for the layperson about cosmology, black holes, etc. 
• Galileo, Journey to Jupiter http://galileo.jpl.nasa.gov
• International Space Station http://spaceflight.nasa.gov/
• NASA Home Page http://www.nasa.gov/goddard
• Pictures from the Hubble Telescope  http://oposite.stsci.edu/pubinfo/BestOfHST95.html 
• StarDate  http://stardate.org    Great resource for the star-gazer.
• Views of the Solar System  http://www.solarviews.com/eng/homepage.htm 

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529 Chronology

• 10,000 Year Calendar  http://calendarhome.com/tyc/
• Calendar Zone  http://www.calendarzone.com
• The Difference Between the Millennium and Year 2000 http://www.timeanddate.com/counters/mil2000.html   Calendars, World Clock, Time Zones, also.
• The Earth Calendar  http://www.earthcalendar.net/ 
• Official Time http://www.time.gov
• Perpetual Calendar  http://www.timeanddate.com/calendar/
• Quick Reference: Calendars/Time
• World Clock  http://www.timeanddate.com/worldclock/

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530 Physics

• How Many?  A Dictionary of Units of Measurements  http://www.unc.edu/~rowlett/units
• The Particle Adventure http://particleadventure.org/   Introduction to particle physics, charts, diagrams and related links.
• The Physics Sciences Resource Center  http://www.psrc-online.org/index.cfm
• PhysLink  http://www.physlink.com/   Physics, astronomy and engineering references.
• University of Oregon Department of Physics - Virtual Physics Lab   http://jersey.uoregon.edu/vlab/   

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540 Chemistry

• CHEMystery:  An Interactive Guide to Chemistry  http://library.thinkquest.org/3659/
• General Chemistry Online http://antoine.frostburg.edu/chem/senese/101/ Searchable guide for first semester chemistry, with glossary.
• Periodic Table  http://www.webelements.com
• Wacky Uses  http://www.wackyuses.com/uses.html   Wacky uses for everyday items.

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549 Mineralogy

• Mineral Gallery and Gemstone Gallery http://www.theimage.com/
• The Mineral and Gemstone Kingdom http://www.webmineral.com
• Minerals By Name  http://mineral.galleries.com/minerals/by_name.htm

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550 Earth Sciences

• Envirolink  Network http://www.envirolink.org   News, organizations, educational, career and government resources on the environment.
• EPA Global Warming Site  http://www.epa.gov/climatechange/index.html 
• Exploring Earth  http://www.classzone.com/books/earth_science/terc/navigation/home.cfm 
• Extreme 2000:  Voyage to the Deep! http://www.ocean.udel.edu/deepsea/home/home.html Searchable site about deep sea mission down into the Sea of Cortes.
• JSC Digital Image Collection  http://images.jsc.nasa.gov/index.html Photos of space exploration by NASA.
• Salt  http://www.salt.org.il/  A collection of material relating to salt  [NaCl].
• SpaceWeather.com  http://www.spaceweather.com/   Science news and information about the Sun-Earth environment.
• The Virtual Cave   http://www.goodearthgraphics.com/virtcave/
• Virtual Field Trips  http://www.field-guides.com   For older elementary and middle school.
• Volcano World http://volcano.und.nodak.edu
• Wired Antarctica  http://www.wiredantarctica.com/  Learn about Antarctica, worksheets, activities, lessons, etc.
• World Environment Library  http://www.nzdl.org/cgi-bin/library?a=p&p=about&c=envl   

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551 Geology, Hydrology, & Meteorology

• Board on Atmospheric Sciences and Climate (BASC) http://www.nationalacademies.org/
• Drought Information Center  http://www.drought.noaa.gov/ 
• Earthquake Maps & Information  http://www.abag.ca.gov/bayarea/eqmaps/ 
• Geology at About.com  http://geology.about.com/ 
• Global Warming:  Early Warning Signs  http://www.climatehotmap.org/
• Guide to Snowflakes  http://www.its.caltech.edu/~atomic/snowcrystals/class/class.htm  
• Living Lakes   Searchable site of endangered lakes.
• Live Weather Images  http://weatherimages.org/
• MTU Volcanoes Page  http://www.geo.mtu.edu/volcanoes/   From Michigan Technological University.
• National Earthquake Information Center   http://neic.usgs.gov/
• National Oceanic and Atmospheric Administration   http://www.nws.noaa.gov
• National Weather Service   http://www.nws.noaa.gov/
• Ocean Explorer http://oceanexplorer.noaa.gov 
• The Tornado Project Online  http://www.tornadoproject.com/   Information on recent and past tornadoes, safety, links, etc.
• U.S.G.S Geological Survey Earthquake Hazards Program  http://earthquake.usgs.gov/
• U. S. Geological Survey Home Page  http://www.usgs.gov
• The Water Librarian's Home Page http://www.interleaves.org/~rteeter/waterlib.html Links to water resources and environmental engineering sites.
• The Weather Channel http://www.weather.com
• Wonders of the Sea  http://www.oceanicresearch.org/lesson.html 

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560 Paleontology

• In Hand Museum  http://www.inhandmuseum.com/ Dinosaurs and our human ancestors, includes geologic timetable, maps, and much more.
• International Organization of Paleobotany  http://www.palaeobotany.org/
• The Museum of Paleontology  http://www.ucmp.berkeley.edu  
• The Paleontology Portal  http://www.paleoportal.org  

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570 Life Sciences

• Alaska Wildlife Notebook Series  http://www.state.ak.us/adfg/notebook/notehome.htm   Descriptions and drawings of more than 100 animals found in Alaska.
• All About Nature:  Biomes and Habitats  http://www.enchantedlearning.com/biomes/ 
• Bugs in the News  http://people.ku.edu/~jbrown/bugs.html
• Biomes  http://www.runet.edu/~swoodwar/CLASSES/GEOG235/biomes/main.html
• Cells Alive! http://www.cellsalive.com
• Classification of Living Things  http://anthro.palomar.edu/animal/
• The eSkeletons Project  http://www.eskeletons.org
• Exploratoriam:  The Museum of Science, Art and Human Perception  http://www.exploratorium.edu
• Gene Almanac  http://vector.cshl.org  A multimedia primer on the basics of DNA and heredity.
• LTSN Bioscience ImageBank  http://bio.ltsn.ac.uk/imagebank/ 
• Microbe Zoo  http://commtechlab.msu.edu/sites/dlc-me/zoo/
• Microbes In The News  http://commtechlab.msu.edu/sites/dlc-me/news/news.html
• NatureServe:  An Online Encyclopedia of Life  http://www.natureserve.org/  
• Neuroscience for Kids  http://faculty.washington.edu/chudler/neurok.html
• Parasitology Diagnostic Web Site  http://www.dpd.cdc.gov/dpdx/   Information about the identification and diagnosis of parasites of public health concern.
• Planet Pals Earthzone http://www.planetpals.com   Ecology site for kids.  Recycle fun, crafts and information.
• Teratology Society  http://teratology.org/   "Study of causes and biological processes leading to abnormal development and birth defects...and appropriate measures for prevention."
• Virtual Frog Dissection  http://curry.edschool.virginia.edu/go/frog/Frog2/ 
• WebWISER - Wireless Information System for Emergency Responders - A wide range of information on hazardous substances, including substance identification support, physical characteristics, human health information, and containment and suppression advice.  http://webwiser.nlm.nih.gov
• WhoZoo http://whozoo.org/  Great images and descriptions of animals.
• ZipGuides from eNature.com - Know what animals and plants share your backyard? Taking a trip? Use our ZipGuides to get a comprehensive local wildlife guide to the animals and plants native to any place in the United States. Or narrow your search to focus only on Endangered Species or poisonous and dangerous species.

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575 Evolution & Genetics

• Blueprint of the Body http://www.cnn.com/SPECIALS/2000/genome
• Conceiving a Clone  http://library.thinkquest.org/24355/
• Cracking the Code of Life  http://www.pbs.org/wgbh/nova/genome/program.html
• Evolution  http://www.ucmp.berkeley.edu/history/evolution.html
• The Origin of the Species by Charles Darwin http://www.literature.org/authors/darwin-charles/the-origin-of-the-species/
• Science:  The Human Genome  http://www.sciencemag.org/content/vol291/issue5507/  
• The Stem Cell Debate  http://www.cnn.com/SPECIALS/2001/stemcell/ 
• Stem Cells  http://stemcells.alphamedpress.org/  

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580 Botanical Sciences

• Algae Database  http://www.algaebase.org
• The Amazing Story of Kudzu  http://www.maxshores.com/kudzu/
• Botany Encyclopedia of Plants and Botanical Dictionary  http://www.botany.com
• ForestWorld  http://www.forestworld.com
• Fruits of Warm Climates  http://www.hort.purdue.edu/newcrop/morton/index.html Full text of the print title includes description, illustration, origin, soil, etc.
• The Hidden Forest  http://www.hiddenforest.co.nz/   Searchable information about the life that carpets forest floors.
• Internet Orchid Photo Encyclopedia  http://www.orchidspecies.com/   Over 3,000 species in over 400 genera found in their native habitat.
• Native Plant Information Network  http://www.wildflower2.org 
• Smithsonian Catalog of Botanical Illustrations  http://www.nmnh.si.edu/botart/
• Wild Flowers  http://aggie-horticulture.tamu.edu/wildseed/wildflowers.html

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591 Zoology

• eNature http://www.enature.com Online field guides, both for wildlife and for habitat areas, from the Audubon Society.
• Encyclopedia Smithsonian:  Zoology  http://www.si.edu/Encyclopedia_SI/science_and_technology/Zoology_Science.htm
• Natural History Notebooks by the Canadian Museum of Nature http://www.nature.ca/notebooks/english/mon2.htm
• Primate Info Net (PIN)  http://www.primate.wisc.edu/pin/
• SeaWorld's Animal Resources  http://www.seaworld.org/animal-info/index.htm
• Threatened Species http://www.panda.org/resources/publications/species/threatened/ Extensive information on several threatened species.

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592 Invertebrates

• Invertebrate Links at NetZoo  http://netvet.wustl.edu/invert.htm 

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593 Protozoa, Echinodermata, Related Phyla

• The Echinoids  http://www.nhm.ac.uk/palaeontology/echinoids/  Information about sea urchins.
• Protist Image Data  http://megasun.bch.umontreal.ca/protists/protists.html

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594 Mollusca & Molluscoidea

• Animal Diversity Web: University of Michigan: Mollusca http://animaldiversity.ummz.umich.edu/site/accounts/information/Mollusca.html
• SeaShells.org  http://www.seashells.org/  

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595 Entomology

• Antcolony.org   http://antcolony.org/
• Beetle Science  From Cornell University.
• bugbios   http://www.insects.org
• Butterflies and Moths of North America  http://www.butterfliesandmoths.org 
• The Butterfly Web Site  http://www.butterflywebsite.com 
• Iowa State University Entomology Image Gallery  http://www.ent.iastate.edu/imagegallery/
• The Tarantula's Burrow  http://www.arachnophiliac.com/burrow/home.htm   Snails, snakes and spiders.  Searchable database.

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596 Vertebrates

• Introduction to the Vertebrates http://www.ucmp.berkeley.edu/vertebrates/vertintro.html

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597 Cold-blooded Vertebrates/Fishes

• American International Rattlesnake Museum  http://www.rattlesnakes.com/ 
• Fish Database  http://www.fishbase.org
• HerpDigest  http://www.herpdigest.org/   "Electronic newsletter dedicated only to reptile and amphibian science and conservation."
• Herp-edia  http://www.herpedia.com/   Online reptile encyclopedia.
• Treating and Preventing Venomous Snake Bites http://www.fda.gov/fdac/features/995_snakes.html   Basic information about poisonous snakes and their bites.

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598 Birds

• American Bald Eagle Information  http://www.baldeagleinfo.com/  
• BirdNet  http://www.nmnh.si.edu/BIRDNET/
• Birding on the Net - Online resources in birding  http://birdingonthe.net/
• eBird  http://www.ebird.org/content/news/MassAudubon.html A joint project between the Cornell Lab of Ornithology and Audubon.
• National Audubon Society  http://www.audubon.org
• Peterson Online http://www.petersononline.com/
• Wisconsin Breeding Bird Atlas http://uwgb.edu/birds/wbba/

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599 Mammals

• Gorilla Foundation http://www.koko.org
• Horse Breeds of the World  http://www.imh.org/imh/bw/home2.html
• The Life of Mammals  http://www.bbc.co.uk/nature/animals/mammals/explore/diet.shtml 
• North American Mammals - Smithsonian Institution  http://www.mnh2.si.edu/education/mna/
• OtterNet  http://www.otternet.com/   Information on habitat, species, threats; also photos, movie, games, puzzles and more.
• Smithsonian Institute: Mammals 
• Therapy, Guide, Hearing, and Service Animals  http://www.kspope.com/servani/index.php

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